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Restorative Overview
Replace Select™




                       1
Nobel Replace Select™
Restorative Overview
Life changing experience !




                             3
The NobelReplace Implant System - Goals




                                          4
The NobelReplace Implant System - Goals




              HOW DO WE GET THERE?

                                          5
Key to successful Implant restoration depends


1)Accurate Diagnosis and treatment planning.
Key to successful Implant restoration depends

• 2)Execution of required Technical procedures.




                                                  7
Key to successful Implant restoration depends

• 3)Meeting or exceeding the patient’s realistic expectations




   4)Establishing good patient doctor communication
   resulting in patient confidence


                                                                8
Nobel Replace
Implant System




                 9
Nobel Replace Implant System - Color Coding

Safety
Color Coding ensures safety by guaranteeing accurate device/material selection throughout the surgical and
restorative processes. Platform                                        3.5, 4.3, 5.0, 6.0mm


Predictability
Any NobelReplace™ implant in any patient can be very quickly identified by visual inspection eliminating need
for a radiographic analysis or platform measurement etc.


Organizational Benefits
Universal color coding ensures inventory organization and stocking efficiency. It is virtually impossible to open
the wrong package and inventory analysis is simple.




                                                                                                                10
The Implant System –
Tri-channel Internal Connection

Tactile and Easy to Use

Accurate prosthetic positioning
Internal connection with three channels that provide accurate and
repeatable indexing of abutment to implant. Positive lock is
noticeable when seating an abutment and the abutment is situated
correctly in the connection. Once locked, the internal connection
resists rotation.

Secure abutment placement
Three interlocking channels guide correct abutment placement also
in sites with poor visibility and limited inter-occlusal space may
compromise the clinician’s ability to manipulate the abutment.

Prosthetic versatility
Tri-channel connections supports all forms of restorative solutions




                                                                      11
The Implant System - Parts




                             12
The Implant System - Parts

Abutment: Anything that Is attached to the implant and remains
in the mouth between appointments.


Healing Abutments:

1) Come in various heights.

2) Placed by the periodontist.




                                                                 13
The Implant System - Parts

Abutments:
Standard a) “Off the rack” and is never modified
         b) Abutment placed before the impression – abutment
             level impression
         c) Impression coping picks up Standard Abutment shape
             and position in the arch
         d) Abutment Replica duplicates the abutment exactly


Custom   a) Abutment prepped at the lab (sometimes in the
mouth)
         b) Abutment placed and torqued at the time crown is
             delivered
         c) Can be one-piece abutment/crown (UCLA abutment)
         d) Impression at implant level
         e) Needed to mimic the contours of the soft tissue
          f) Must have soft tissue duplicated in model




                                                                 14
UCLA Abutments:




Angled Abutment Zirconium Abutment



                                     15
The Implant System - Parts

Screws:

Abutment a) One size for yellow, blue and green implants
         b) Different size for Narrow Platform (pink) implant
         c) Torque to 35 Ncm




Prosthetic a) One size only
           b) Torque to 15 Ncm only




                                                                16
The Implant System - Parts
    1) Machine Screwdrivers
      The Machine Screwdriver is
    inserted into the handle. There
    are two screwdrivers of different
    shaft lengths in the Restorative
                Tool Kit.




                            Unigrip Screwdrivers   Multi-unit Hex Driver   Locator Abutment
                                                                                Driver

                                                                                          17
The Implant System - Parts

Tools:


1) Manual Screwdriver


2) Manual Torque Wrench

  Push with finger or
 thumb here until the
 bar bends to desired
        torque




              Put index finger
              here to stabilize
                                  18
                  wrench
The Implant System - Parts

Manual Torque Wrench

                       The Torque Wrench directional pin can be removed by
                       unscrewing the pin cap. Your staff will take the pin out
                       when sterilizing the Torque Wrench between patients.
                         It is critical to ensure that the pin cap is tightened
                       completely before use. If not, the ratchet will click, but
                                         will not tighten the screw.




                                                                                    19
The Implant System - Parts

Tissue Punch




          Put index finger here
           to stabilize wrench

                     The Tissue Punch is used to remove any tags of
                  tissue that have grown over the Implant and prevents
                            complete seating of any abutment.




                                                                         20
The Implant System - Parts

Impression Copings:

Closed Tray   a) Plastic snap-on, abutment level
              b) Plastic snap-on, implant level (do not use)



              c) Metal screw-retained, abutment level
              d) Metal screw-retained, implant level




Open Tray     a) Metal only
              b) Screw retained




                                                               21
The Implant System - Parts

Closed Tray Impressions:
     Closed-Tray Impression Copings are indicated for:
         •single implant cases
         •multiple implant cases when the implants are parallel so that the impression
          can be removed from the mouth without tearing the impression

     Some Closed-Tray Impression Copings stay in the mouth when the impression is
     removed. They must be loosened from the implants after the impression is taken and
     they must be reinserted into the impression before pouring the stone.




                                                                                          22
The Implant System - Parts

Open Tray Impressions:
           Open-Tray Impression Copings should be used when the
           implant(s) are not parallel to each other or the natural teeth and it
           is unlikely that the impression can be removed from the mouth
           without tearing the impression material.


           Open-Tray Impression Copings are
           attached to the implants by means
           of a long abutment screw.




           Open-Tray Impression Copings will stay in the impression when it
           is removed. So they must be loosened from the implants after the
           impression material has set.




                                                                                   23
The Implant System - Parts

Open Tray Impressions:




           To loosen the screw and free the impression coping from the implant, the screw
           of the impression coping must extend through the impression tray so that it can
           be loosened. The impression tray must be modified to allow access to the
           screw.

                                                                                        24
The Implant System - Parts

Open Tray Impressions:




           Be sure to locate the screw before the impression material sets. Once set,
           loosen the screw, then remove the impression. Turn the screw
           counterclockwise to loosen it.


                                                                                        25
The Implant System - Parts

Implant Replica: A replica of the Implant used to reproduce 1) the exact location
of the Implant in the prosthetic model, and 2) the surface connection between the
Implant and the restoration.


          Abutment Replicas




                    Implant Replicas




                                                                                    26
The Implant System - Parts

Temporaries:

Healing Cap        a) Not tooth shaped
                   b) Abutment level




Custom   a) Cement or screw retained
         b) Abutment or implant level


         Engaging: Prevents rotation of the restoration. For single units only.



         Non-engaging: For multiple units that are splinted.




                                                                                  27
The Implant System - Parts

Overdentures:

Locator




Clip/ERA




                             28
The Implant System - Parts

Maintenance:
Implants can only be cleaned with implant-specific cleaning instruments that can clean
plaque and tartar, but will not scratch the surface. Tartar does not penetrate the implant
surface like it does on natural teeth, so it does not require the same planing action to
clean the tartar.




Do not use metal instruments around implants to avoid scratching the surface. Scratched
surfaces attract more bacteria that could lead to tissue inflammation around the implant.

Although a metal perio probe can be used to measure the tissue height, it should NEVER
be used to probe the “sulcus.” The tissue does not attach to an implant as it does to a
tooth, and probing will disrupt the tissue junction.

                                                                                             29
The Implant System - Fit

FIT OF ANY PART TO THE IMPLANT IS CRITICAL !
 To verify FIT, a verification x-ray is taken every time any
 abutment, impression coping, or temporary abutment is
          attached directly to the implant.




                                                               30
The Implant System - Fit

FIT OF ANY PART TO THE IMPLANT IS CRITICAL !
              How to identify inadequate fit:




                                                31
Exercise # 1
Posterior Single Units – Snappy Abutment™

                          Hot Clinical Tip !

           DO NOT ANESTHETIZE WHEN SEATING ABUTMENTS
           OR COPINGS ONTO THE IMPLANT. Patients should feel
           no discomfort when placing and removing implant parts. If
            there is discomfort, check for the cause – something is
           wrong. Most often, discomfort from placing parts directly
          onto the Implant is due to small areas where the soft tissue
           has grown or collapsed over the Implant margins and that
          tissue is being pinched between the parts. When this is the
            case, anesthetize and then use a tissue punch to clear
                        away the offending soft tissue.


                                                                         32
The Implant System - Fit

      What a difference X-ray angulation can make !




                                                      33
The Implant System - Fit

FOR MULTIPLE UNITS CONNECTED BY A BAR OR
    SPLINTED, PASSIVE FIT IS CRITICAL !!




                                           34
The Implant System - Fit

FOR MULTIPLE UNITS CONNECTED BY A BAR OR
    SPLINTED, PASSIVE FIT IS CRITICAL !!

Implants will never accommodate to even a slight framework misfit !!
For that reason ALMOST ALL multiple unit cases
will require indexing and soldering of the
connectors, including bar connectors. It is best to
request all abutments/crowns be sent as individual
pieces, rather than try to see if a one piece prosthetic
will fit.

Index in the mouth using a product like Zap-It. Send
back to the lab for soldering. Try-in after soldering
and verify with an X-ray. It is sometimes necessary
to index and solder each connector one at a time.
But there is no substitute for passive fit.
                                                                       35
Soldering Technique
Hands on exercises




                     37
Prosthetic Kit




                 38
Exercise # 1 Posterior Single
Units – Snappy Abutment™




                                39
Exercise # 1
Posterior Single Units – Snappy Abutment™
Snappy Abutment:
•Standard abutment
• Snap-fit connection
• Ideal for posterior single implant
restorations
• Short profile - used without modification
•Cemented crowns only.




                                              40
Exercise # 1
Posterior Single Units – Snappy Abutment™

    The Snappy Abutment comes in two different collar heights
              and two prepared abutment heights.

•    4.0mm (regular)                     5.5mm (tall)




                       Collar                           Collar
                       0.5mm                            0.5mm
                       0.75mm, NP Only                  0.75mm, NP Only
                       1.5mm                            1.5mm




                                                                     41
Exercise # 1
Posterior Single Units – Snappy Abutment™

               Clinical measurements




                                            42
43
Exercise # 1
Posterior Single Units – Snappy Abutment™

                          Hot Clinical Tip !!

           DISINFECT THE IMPLANT AND THE IMPLANT PARTS.
            In many cases, when you remove implant parts from the
           mouth, there will be a bad odor from bacteria that get into
           and around the connections. Always keep chlorhexadine
            gluconate 4.0% (Peridex) on hand and use a syringe to
           flush the implant, screw openings and soft tissues. It is a
           good idea to place all parts in a small cup of chlorhexadine
                       as they are taken from the mouth.




                                                                          44
Exercise # 1
Posterior Single Units – Snappy Abutment™

  1) Seat the Snappy Abutment
  onto tooth # 13 of the model.
  2) Ensure that it is seated all
  the way down.
  3) Clinically, an X-ray would be
  taken AND SAVED to verify fit.




                                            45
Exercise # 1
Posterior Single Units – Snappy Abutment™

  4) Clinically, the abutment would be torqued to 35 Ncm.
   Torque to 15 Ncm on the model.




                                                            46
Snappy™ Abutment: Quick Placement Review

 Remove Healing Abutment     Place Snappy Abutment        VERIFY FIT WITH AN X-RAY




                    Torque 35 Ncm                    Looking Good !




                                                                                47
Exercise # 1
Posterior Single Units – Snappy Abutment™

                           Orientation




        When the implant is placed one of the Internal Trichannel
         Connector receptors should be oriented to the buccal.
        As a result, one of the grooves should also be oriented to
        the buccal. The Snappy Impression Coping has an arrow
        to show the location of the corresponding buccal groove.


                                                                     48
Exercise # 1
Posterior Single Units – Snappy Abutment™

  Place the Snappy Impression Coping.
  Listen/feel for the SNAP.




                                            49
Exercise # 1
Posterior Single Units – Snappy Abutment™

     Take the impression with a stock tray (no modification) and PVS or a
  similar impression material. The Snappy Impression Coping will come out
                              in the impression.




                                                                            50
Exercise # 1
Posterior Single Units – Snappy Abutment™

  Place Snappy Implant Replica into the Snappy Impression Coping.
  Clinically, after disinfection of the impression, the case would next be sent to the lab
  for pouring of the soft-tissue model and fabrication of the crown.




                                                                                             51
Exercise # 1
Posterior Single Units – Snappy Abutment™

  Temporizing the Snappy Abutment can
  be done simply by using Snappy Healing
  Cap to prevent soft tissue collapse.



  Or a temporary crown can be made
  using the Snappy Plastic/Temp Coping
  (engaging or non-engaging). Acrylic is
  added to the Plastic/Temp Coping and it
  is shaped and polished like any other
  custom acrylic temporary.




                                            52
Exercise # 1
Posterior Single Units – Snappy Abutment™

                         Hot Clinical Tip !!!

                COVER AND PROTECT THE ABUTMENT or
          PROSTHETIC SCREW. Before cementing a temporary or
          a final crown, place a small piece of cotton and an easy-to-
           remove sealing material over the screw that connects the
          abutment to the implant. Good materials to use internally: a
          small dab of light-body impression material or gutta percha.
            For the openings in screw-retained crowns, place cotton
                           and cover with composite.




                                                                         53
Exercise # 2
Anterior Single Units – Closed-Tray Impression




                                                 54
Exercise # 2
Anterior Single Units – Closed-Tray Impression




                                                 55
56
Exercise # 2
Anterior Single Units – Closed-Tray Impression

  1) Place Closed-Tray Impression Coping
  on tooth # 8 in the model.


  2) Clinically, an X-ray would be taken
  AND SAVED to verify fit.


  3) Hand tighten with Unigrip
  Screwdriver.


  4) Fill the Unigrip Screwdriver hole in the
  top of the Impression Coping screw with
  some wax. If you don‘t, it may be
  difficult to seat the impression coping
  back into the impression with the
  necessary precision.

                                                 57
Exercise # 2
Anterior Single Units – Closed-Tray Impression

  5) Take impression using PVS or similar material in a stock tray.


  6) Remove impression when set. Closed-Tray Impression Coping will stay ON THE
  IMPLANT. The impression will have a negative mold of the impression coping.




                                                                                  58
Exercise # 2
Anterior Single Units – Closed-Tray Impression

  7) Remove Closed-Tray Impression Coping with hand screwdriver (turn
  counterclockwise).


  8) Attach Implant Replica to Closed-Tray Impression Coping using hand
  screwdriver.




                                                                          59
Exercise # 2
Anterior Single Units – Closed-Tray Impression

  9) Seat Closed-Tray Impression Coping back into impression making sure that the
  coping is fully seated with all indexing lined up correctly.


  10) Clinically, after disinfection of the impression, the case would next be sent to the
  lab for pouring of the soft-tissue model and fabrication of the abutment and crown.




                                                                                             60
Exercise # 2
Anterior Single Units – Provisionals

   11a) Place an Implant-level Temporary Abutment
   (cementable). Hand tighten only.

   As with all parts that connect to the Implant, a
   verification of fit X-ray is necessary.

   Clinically, you may simply replace the Healing
   Abutment. Remember to take an X-ray to verify that
   the Healing Abutment if fully seated.




 The Cementable Temporary Abutment
   is seated on the implant and hand
   tightened. Acrylic is added to the
“sleeve” to create a custom temporary.
   The temporary is cemented to the
  Temporary Abutment with just a tiny
 amount of temporary cement (it might
be a good idea to add some vaseline to
         the temporary cement).
                                                        61
Exercise # 2
Anterior Single Units – Provisionals

  11c) Essix Appliance temporary.

  An Essix Appliance temporary can be used over the healing abutment for
  short term temporization. The trays are easily made using the same
  equipment used for suck-down bleaching trays, only the tray material is a
  firm plastic, not rubbery like the bleaching trays. A denture tooth is placed
  on the model to replace the missing tooth and acrylic or the denture tooth
  can be used to build a replacement inside the appliance.




                                                                                  62
Exercise # 2
Anterior Single Units – Deliver Custom Abutment

  12) Seat the Custom Abutment and finger tighten.


  13) Clinically, an X-ray would be taken AND
  SAVED to verify fit.


  14) Clinically, the abutment would be torqued to
  35 Ncm. Torque to 15 Ncm on the model.


  15) Clinically, the crown would be tried-in,
  adjusted and delivered (with temporary cement
  only – so the crown can be retrieved at a later
  time, if necessary). Remember to seal the
  opening for the abutment screw with cotton and
  gutta percha or impression material.


                                                     63
Exercise # 2
Anterior Single Units – Deliver Crown




                                        64
Exercise # 2
Anterior Single Units – Deliver Crown

        CONCLUSIONS: Some types of cement commonly used for the
        cementation of implant-supported prostheses have poor radiodensity
        and may not be detectable following radiographic examination.

 Most radiopacity
                              TempBond Original          Kerr Mfg
                              TempBond NE                Kerr Mfg
                              Fleck’s                    Mizzy, Inc
                              Dycal                      Dentsply Intl
                              RelyX Luting               3M ESPE
                              RelyX Unicem               3M ESPE
                              Improv                     Alvelogro
                              Premier Implant Cement     Premier Products Co
 Least radiopacity

 from Wadhwani C, Hess T, Faber T, Piñeyro A, Chen CS.

                                                                               65
Exercise # 2
 Anterior Single Units – Deliver Crown

               One piece screw-retained crown advantages
               • no concern with cement removal
               • cost-effective without use of gold
               • if tissue recession over time, no visible margin
               • easily retrievable to modify without destroying crown


Cement-retained crowns:
MPI & SBI scores: worse over time
Screw-retained restorations:
MPI & SBI scores improved over time
(Modified Plaque Index, Sulcus Bleeding Index)



                                                                         66
Exercise # 3
Posterior Multiple Units – Open-Tray Impression




                                                  67
Posterior Multiple Units

                         Hot Clinical Tip !!!

            KEEP THE IMPLANT COVERED. In many cases,
             when you remove the healing abutments from the
             mouth, the tissue can collapse into the space that
             was vacated. To prevent this, it is best to remove
            one healing abutment at a time and place the Multi-
            unit Abutment as quickly as possible. Remember to
           always rinse with chlorhexadine gluconate 4.0%, and,
           after placing the abutment, take a verification-of-fit X-
                                     ray.



                                                                       68
Posterior Multiple Units – Open-Tray Impression


  1) Using the yellow plastic carrier, place
  the Multi-unit Abutment with the Multi-
  unit Abutment Screw on tooth # 4. Hand
  tighten with the Multi-unit hex driver.


  2) Clinically, an X-ray would be taken
  AND SAVED to verify fit.


  3) Clinically, the abutment would be
  torqued to 35 Ncm. Torque to 15 Ncm
  on the model.




                                                  69
Posterior Multiple Units – Open-Tray Impression


  4) Place the Multi-unit Open-tray
  Impression Coping on the Multi-unit
  Abutment. Place the Multi-unit
  Impression Coping Guide Pin.


  5) Hand tighten only.


  6) No X-ray is necessary - the
  impression coping is not attached to the
  implant.




                                                  70
Posterior Multiple Units – Open-Tray Impression


  7) Prepare impression tray by cutting
  away an area to allow the Impression
  Coping Guide Pin to exit the impression
  tray when it is fully seated in the mouth.


  8) Take impression with PVS or similar
  impression material.


  9) Unscrew the Guide Pin completely to
  allow the Impression Coping to come
  apart from the Implant. Remove the
  impression (the Impression Coping will
  remain in the impression).




                                                  71
Exercise # 4
Overdenture – Two Locator Attachments




                                        73
Exercise # 4
Overdenture – Two Locator Attachments

Resilient tissue-supported overdenture
•Mandible: 2 or more implants
•Multiple collar heights for variable tissue levels:
0 to 6 mm depending on platform
•Available in NP, RP, WP




Locator Attachment




                                                       74
Exercise # 4
Overdenture – Two Locator Attachments

Torque to 35 Ncm clinically (15 Ncm on the model)




                                                    75
Exercise # 4
Overdenture – Two Locator Attachments

Well-fitting denture
• Chairside abutment selection by tissue height
• Chairside curing of attachments

Denture needing reline
• Chairside abutment selection by tissue height
• Reline impression over Locator metal housing/black processing male
• Laboratory or chairside processing of attachments

Needing new denture
• Chairside abutment selection by tissue height
• Abutment level impression with impression coping
• Laboratory or chairside processing of attachments




                                                                   76
Exercise # 4
Overdenture – Two Locator Attachments

 The Locator Abutment is selected to be 1.5mm above the tissue height.
    Once the abutment is seated, an x-ray must be taken to verify fit.


                          Tissue Depth




                                                                         77
Exercise # 4
Overdenture – Two Locator Attachments

• Place a white block-out spacer ring on each
  abutment.
• The spacer ring is used to block out the area
  surrounding the abutment.
• Place the metal housings with the black
  processing males onto the Locator
  Abutments.




                                                  78
Exercise # 4
Overdenture – Two Locator Attachments

•   Use an appropriate method to mark the
    locations of the Locator Abutments on the
    existing denture.
•   Hollow out the existing denture base in the
    areas of the Locator Denture Caps.
•   Most dentists place a hole in the lingual area
    to allow excess acrylic to escape and the
    denture to seat fully.




                                                     79
Exercise # 4
Overdenture – Two Locator Attachments

•   Fill the receptor sites with
    prosthetic resin (light cure or self-
    curing resin).
•   Apply suitable bonding agent onto
    Locator metal housings. Lingual
    connecting holes may be used to
    anchor the metal housings in the
    denture.
•   Seat denture and confirm proper
    occlusion (tap, tap, bite lightly).
•   Cure resin in light occlusion without
    compression of the soft tissue.
•   Once the resin has cured, remove
    the denture from the mouth and
    discard the white block-out spacers.
•   Fill in any acrylic voids, remove any
    excess acrylic and polish the
    denture.
                                            80
Exercise # 4
Overdenture – Two Locator Attachments

• Select replacement males by considering preferred
  retention and angle of implant divergence.
• Remove the black processing males from the metal
  housing using the Locator Core Tool.
• 6 lbs. of retention per arch total is recommended
  (two 3.0 lb males, four 1.5 lb males, etc). But always
  best to start at the lowest level of retention.


                                            10–20° divergence



   8515       8524    8527    8529      8547      8548     8915
 Processing   5 lbs   3 lbs   1.5 lbs   3–4 lbs   .5 lbs   2 lbs




                                                                   81
Exercise # 4
Overdenture – Two Locator Attachments

Male Seating Tool                          Abutment Driver
•Separate the Male Removal Tool            •The gold-colored end of the
section from the Locator Core Tool         Locator Core Tool is used for
and use the Male Seating Tool end          screwing and unscrewing the
to place a new male into the empty         Locator Abutments to and
titanium metal housing.                    from implants and replicas.
•The male is fixed firmly in the cap
when a click is heard.




     Male Removal Tool        Male Seating Tool        Abutment Driver




                                                                         82
Exercise # 4
Overdenture – Two Locator Attachments

To remove the male from the instrument:
• Screw the tip clockwise completely onto the middle
section. This activates the loosening pin inside the
tip, which releases the male.




                                                       83
Exercise # 4
Overdenture – Two Locator Attachments

Male Removal Tool
To remove a Locator male from the titanium metal housing:
• Insert the tip into the cap/male assembly and push straight into the
  bottom of the male.
• Then tilt the tool so that the sharp edge of the tip will grab hold of
  the male and pull it out of the metal housing.




                                                                           84
Exercise # 4
Overdenture – Two Locator Attachments




Locator Male Processing Package
(REF08519-2)




                                        85
Exercise # 4
Overdenture – Two Locator Attachments




 Locator® Extended Range Male Processing Package
 (8540-2)



                                                   86
Exercise # 4
Overdenture – Two Locator Attachments

Clinical case
• Seat two Locator abutments




  Clinical case courtesy of J. Bain, DDS


                                           87
Exercise # 4
Overdenture – Two Locator Attachments

                             Hand tighten with the Abutment Driver and
                                      Take a verification x-ray.




  Clinical case courtesy of J. Bain, DDS


                                                                         88
Exercise # 4
Overdenture – Two Locator Attachments

     Torque to 35 Ncm clinically (15 Ncm on the model)




                                                         89
Exercise # 4
Overdenture – Two Locator Attachments




 Photo courtesy of Per-Olof Karlsson, Sweden   Photo courtesy of J. Bain, DDS



                Create space in the denture base for the metal housing




                                                                                90
Exercise # 4
Overdenture – Two Locator Attachments




Place white block-out spacer ring over abutment (may
need more than one per abutment)


  Clinical case courtesy of J. Bain, DDS


                                                       91
Exercise # 4
Overdenture – Two Locator Attachments




Inspect for show-through – Ensure clearance!



   Photos courtesy of J. Bain, DDS


                                               92
Exercise # 4
Overdenture – Two Locator Attachments




Clean receptor sites with alcohol   Seat metal housing




  Photos courtesy of J. Bain, DDS


                                                         93
Exercise # 4
Overdenture – Two Locator Attachments




Paint bonding agent on clean
roughened acrylic and add
acrylic into receptor sites and
on metal housing
  Photos courtesy of J. Bain, DDS


                                        94
Exercise # 4
Overdenture – Two Locator Attachments




  Seat denture and confirm proper occlusion (tap, tap, bite lightly)
  Photos courtesy of J. Bain, DDS


                                                                       95
Exercise # 4
Overdenture – Two Locator Attachments




 Remove denture, fill any voids in acrylic, adjust any excess acrylic
 and polish denture. Remove the black processing male and insert
 the selected retentive male into the metal housing.
 *** It is often best to start with the lightest force retentive male !
  Photo courtesy of J. Bain, DDS


                                                                          96
Exercise # 4
Overdenture – Two Locator Attachments

Check—
• Occlusion
• Patient’s manual dexterity




   Photo courtesy of J. Bain, DDS


                                        97
Exercise # 4
Overdenture – Two Locator Attachments

Well-fitting denture
• Chairside abutment selection by tissue height
• Chairside curing of attachments

Denture needing reline
• Chairside abutment selection by tissue height
• Reline impression over Locator metal housing/black processing male
• Laboratory or chairside processing of attachments

Needing new denture
• Chairside abutment selection by tissue height
• Abutment level impression with impression coping
• Laboratory or chairside processing of attachments




                                                                   98
Exercise # 4
Overdenture – Two Locator Attachments

• Place a white block-out spacer ring
  on each abutment to block out the
  area surrounding the abutment.
• Place the metal housings with the
  black processing males onto the
  Locator Abutments.
• Take an impression to pick up the
  black processing males and the
  metal housing for laboratory
  placement of the housing.
• Better yet, complete the reline and
  add the housings as shown in the
  last section.



                                        99
Exercise # 4
Overdenture – Two Locator Attachments

Well-fitting denture
• Chairside abutment selection by tissue height
• Chairside curing of attachments

Denture needing reline
• Chairside abutment selection by tissue height
• Reline impression over Locator metal housing/black processing male
• Laboratory or chairside processing of attachments

Needing new denture
• Chairside abutment selection by tissue height
• Abutment level impression with impression coping
• Laboratory or chairside processing of attachments




                                                                   100
Exercise # 4
Overdenture – Two Locator Attachments




 Locator Impression Coping




                                        101
Exercise # 4
Overdenture – Two Locator Attachments




Place white block-out spacer rings, and then place Locator impression
copings.


  Clinical case courtesy of Allen L. Schneider, DDS


                                                                    102
Exercise # 4
Overdenture – Two Locator Attachments




     Final impression with full                Abutment replicas in place –
      extensions and border                    ready to pour model. Follow
             molding!                            standard denture steps.
  Photos courtesy of Allen L. Schneider, DDS


                                                                              103
Exercise # 4
Overdenture – Two Locator Attachments




  Clinical case courtesy of Allen L. Schneider, DDS


                                                      104
Exercise # 5
Overdenture – Making a Stent




                               105
Exercise # 5
  Overdenture – Making a Stent
fore implant placement in the fully edentulous patient,
s required to have defined the proper tooth position.

is can be accomplished by:
   An existing denture
   A new denture
   A wax try-in that goes unprocessed




                                                          106
Exercise # 5
Overdenture – Making a Stent




                               107
Exercise # 5
Overdenture – Making a Stent




                               108
Exercise # 5
Overdenture – Making a Stent




                               109
ck
                        ba
                 hing
            eryt
          ev
       ut
     ep
 leas
P



                               110
111

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2013 implant restorative overview

  • 4. The NobelReplace Implant System - Goals 4
  • 5. The NobelReplace Implant System - Goals HOW DO WE GET THERE? 5
  • 6. Key to successful Implant restoration depends 1)Accurate Diagnosis and treatment planning.
  • 7. Key to successful Implant restoration depends • 2)Execution of required Technical procedures. 7
  • 8. Key to successful Implant restoration depends • 3)Meeting or exceeding the patient’s realistic expectations 4)Establishing good patient doctor communication resulting in patient confidence 8
  • 10. Nobel Replace Implant System - Color Coding Safety Color Coding ensures safety by guaranteeing accurate device/material selection throughout the surgical and restorative processes. Platform 3.5, 4.3, 5.0, 6.0mm Predictability Any NobelReplace™ implant in any patient can be very quickly identified by visual inspection eliminating need for a radiographic analysis or platform measurement etc. Organizational Benefits Universal color coding ensures inventory organization and stocking efficiency. It is virtually impossible to open the wrong package and inventory analysis is simple. 10
  • 11. The Implant System – Tri-channel Internal Connection Tactile and Easy to Use Accurate prosthetic positioning Internal connection with three channels that provide accurate and repeatable indexing of abutment to implant. Positive lock is noticeable when seating an abutment and the abutment is situated correctly in the connection. Once locked, the internal connection resists rotation. Secure abutment placement Three interlocking channels guide correct abutment placement also in sites with poor visibility and limited inter-occlusal space may compromise the clinician’s ability to manipulate the abutment. Prosthetic versatility Tri-channel connections supports all forms of restorative solutions 11
  • 12. The Implant System - Parts 12
  • 13. The Implant System - Parts Abutment: Anything that Is attached to the implant and remains in the mouth between appointments. Healing Abutments: 1) Come in various heights. 2) Placed by the periodontist. 13
  • 14. The Implant System - Parts Abutments: Standard a) “Off the rack” and is never modified b) Abutment placed before the impression – abutment level impression c) Impression coping picks up Standard Abutment shape and position in the arch d) Abutment Replica duplicates the abutment exactly Custom a) Abutment prepped at the lab (sometimes in the mouth) b) Abutment placed and torqued at the time crown is delivered c) Can be one-piece abutment/crown (UCLA abutment) d) Impression at implant level e) Needed to mimic the contours of the soft tissue f) Must have soft tissue duplicated in model 14
  • 15. UCLA Abutments: Angled Abutment Zirconium Abutment 15
  • 16. The Implant System - Parts Screws: Abutment a) One size for yellow, blue and green implants b) Different size for Narrow Platform (pink) implant c) Torque to 35 Ncm Prosthetic a) One size only b) Torque to 15 Ncm only 16
  • 17. The Implant System - Parts 1) Machine Screwdrivers The Machine Screwdriver is inserted into the handle. There are two screwdrivers of different shaft lengths in the Restorative Tool Kit. Unigrip Screwdrivers Multi-unit Hex Driver Locator Abutment Driver 17
  • 18. The Implant System - Parts Tools: 1) Manual Screwdriver 2) Manual Torque Wrench Push with finger or thumb here until the bar bends to desired torque Put index finger here to stabilize 18 wrench
  • 19. The Implant System - Parts Manual Torque Wrench The Torque Wrench directional pin can be removed by unscrewing the pin cap. Your staff will take the pin out when sterilizing the Torque Wrench between patients. It is critical to ensure that the pin cap is tightened completely before use. If not, the ratchet will click, but will not tighten the screw. 19
  • 20. The Implant System - Parts Tissue Punch Put index finger here to stabilize wrench The Tissue Punch is used to remove any tags of tissue that have grown over the Implant and prevents complete seating of any abutment. 20
  • 21. The Implant System - Parts Impression Copings: Closed Tray a) Plastic snap-on, abutment level b) Plastic snap-on, implant level (do not use) c) Metal screw-retained, abutment level d) Metal screw-retained, implant level Open Tray a) Metal only b) Screw retained 21
  • 22. The Implant System - Parts Closed Tray Impressions: Closed-Tray Impression Copings are indicated for: •single implant cases •multiple implant cases when the implants are parallel so that the impression can be removed from the mouth without tearing the impression Some Closed-Tray Impression Copings stay in the mouth when the impression is removed. They must be loosened from the implants after the impression is taken and they must be reinserted into the impression before pouring the stone. 22
  • 23. The Implant System - Parts Open Tray Impressions: Open-Tray Impression Copings should be used when the implant(s) are not parallel to each other or the natural teeth and it is unlikely that the impression can be removed from the mouth without tearing the impression material. Open-Tray Impression Copings are attached to the implants by means of a long abutment screw. Open-Tray Impression Copings will stay in the impression when it is removed. So they must be loosened from the implants after the impression material has set. 23
  • 24. The Implant System - Parts Open Tray Impressions: To loosen the screw and free the impression coping from the implant, the screw of the impression coping must extend through the impression tray so that it can be loosened. The impression tray must be modified to allow access to the screw. 24
  • 25. The Implant System - Parts Open Tray Impressions: Be sure to locate the screw before the impression material sets. Once set, loosen the screw, then remove the impression. Turn the screw counterclockwise to loosen it. 25
  • 26. The Implant System - Parts Implant Replica: A replica of the Implant used to reproduce 1) the exact location of the Implant in the prosthetic model, and 2) the surface connection between the Implant and the restoration. Abutment Replicas Implant Replicas 26
  • 27. The Implant System - Parts Temporaries: Healing Cap a) Not tooth shaped b) Abutment level Custom a) Cement or screw retained b) Abutment or implant level Engaging: Prevents rotation of the restoration. For single units only. Non-engaging: For multiple units that are splinted. 27
  • 28. The Implant System - Parts Overdentures: Locator Clip/ERA 28
  • 29. The Implant System - Parts Maintenance: Implants can only be cleaned with implant-specific cleaning instruments that can clean plaque and tartar, but will not scratch the surface. Tartar does not penetrate the implant surface like it does on natural teeth, so it does not require the same planing action to clean the tartar. Do not use metal instruments around implants to avoid scratching the surface. Scratched surfaces attract more bacteria that could lead to tissue inflammation around the implant. Although a metal perio probe can be used to measure the tissue height, it should NEVER be used to probe the “sulcus.” The tissue does not attach to an implant as it does to a tooth, and probing will disrupt the tissue junction. 29
  • 30. The Implant System - Fit FIT OF ANY PART TO THE IMPLANT IS CRITICAL ! To verify FIT, a verification x-ray is taken every time any abutment, impression coping, or temporary abutment is attached directly to the implant. 30
  • 31. The Implant System - Fit FIT OF ANY PART TO THE IMPLANT IS CRITICAL ! How to identify inadequate fit: 31
  • 32. Exercise # 1 Posterior Single Units – Snappy Abutment™ Hot Clinical Tip ! DO NOT ANESTHETIZE WHEN SEATING ABUTMENTS OR COPINGS ONTO THE IMPLANT. Patients should feel no discomfort when placing and removing implant parts. If there is discomfort, check for the cause – something is wrong. Most often, discomfort from placing parts directly onto the Implant is due to small areas where the soft tissue has grown or collapsed over the Implant margins and that tissue is being pinched between the parts. When this is the case, anesthetize and then use a tissue punch to clear away the offending soft tissue. 32
  • 33. The Implant System - Fit What a difference X-ray angulation can make ! 33
  • 34. The Implant System - Fit FOR MULTIPLE UNITS CONNECTED BY A BAR OR SPLINTED, PASSIVE FIT IS CRITICAL !! 34
  • 35. The Implant System - Fit FOR MULTIPLE UNITS CONNECTED BY A BAR OR SPLINTED, PASSIVE FIT IS CRITICAL !! Implants will never accommodate to even a slight framework misfit !! For that reason ALMOST ALL multiple unit cases will require indexing and soldering of the connectors, including bar connectors. It is best to request all abutments/crowns be sent as individual pieces, rather than try to see if a one piece prosthetic will fit. Index in the mouth using a product like Zap-It. Send back to the lab for soldering. Try-in after soldering and verify with an X-ray. It is sometimes necessary to index and solder each connector one at a time. But there is no substitute for passive fit. 35
  • 39. Exercise # 1 Posterior Single Units – Snappy Abutment™ 39
  • 40. Exercise # 1 Posterior Single Units – Snappy Abutment™ Snappy Abutment: •Standard abutment • Snap-fit connection • Ideal for posterior single implant restorations • Short profile - used without modification •Cemented crowns only. 40
  • 41. Exercise # 1 Posterior Single Units – Snappy Abutment™ The Snappy Abutment comes in two different collar heights and two prepared abutment heights. • 4.0mm (regular) 5.5mm (tall) Collar Collar 0.5mm 0.5mm 0.75mm, NP Only 0.75mm, NP Only 1.5mm 1.5mm 41
  • 42. Exercise # 1 Posterior Single Units – Snappy Abutment™ Clinical measurements 42
  • 43. 43
  • 44. Exercise # 1 Posterior Single Units – Snappy Abutment™ Hot Clinical Tip !! DISINFECT THE IMPLANT AND THE IMPLANT PARTS. In many cases, when you remove implant parts from the mouth, there will be a bad odor from bacteria that get into and around the connections. Always keep chlorhexadine gluconate 4.0% (Peridex) on hand and use a syringe to flush the implant, screw openings and soft tissues. It is a good idea to place all parts in a small cup of chlorhexadine as they are taken from the mouth. 44
  • 45. Exercise # 1 Posterior Single Units – Snappy Abutment™ 1) Seat the Snappy Abutment onto tooth # 13 of the model. 2) Ensure that it is seated all the way down. 3) Clinically, an X-ray would be taken AND SAVED to verify fit. 45
  • 46. Exercise # 1 Posterior Single Units – Snappy Abutment™ 4) Clinically, the abutment would be torqued to 35 Ncm. Torque to 15 Ncm on the model. 46
  • 47. Snappy™ Abutment: Quick Placement Review Remove Healing Abutment Place Snappy Abutment VERIFY FIT WITH AN X-RAY Torque 35 Ncm Looking Good ! 47
  • 48. Exercise # 1 Posterior Single Units – Snappy Abutment™ Orientation When the implant is placed one of the Internal Trichannel Connector receptors should be oriented to the buccal. As a result, one of the grooves should also be oriented to the buccal. The Snappy Impression Coping has an arrow to show the location of the corresponding buccal groove. 48
  • 49. Exercise # 1 Posterior Single Units – Snappy Abutment™ Place the Snappy Impression Coping. Listen/feel for the SNAP. 49
  • 50. Exercise # 1 Posterior Single Units – Snappy Abutment™ Take the impression with a stock tray (no modification) and PVS or a similar impression material. The Snappy Impression Coping will come out in the impression. 50
  • 51. Exercise # 1 Posterior Single Units – Snappy Abutment™ Place Snappy Implant Replica into the Snappy Impression Coping. Clinically, after disinfection of the impression, the case would next be sent to the lab for pouring of the soft-tissue model and fabrication of the crown. 51
  • 52. Exercise # 1 Posterior Single Units – Snappy Abutment™ Temporizing the Snappy Abutment can be done simply by using Snappy Healing Cap to prevent soft tissue collapse. Or a temporary crown can be made using the Snappy Plastic/Temp Coping (engaging or non-engaging). Acrylic is added to the Plastic/Temp Coping and it is shaped and polished like any other custom acrylic temporary. 52
  • 53. Exercise # 1 Posterior Single Units – Snappy Abutment™ Hot Clinical Tip !!! COVER AND PROTECT THE ABUTMENT or PROSTHETIC SCREW. Before cementing a temporary or a final crown, place a small piece of cotton and an easy-to- remove sealing material over the screw that connects the abutment to the implant. Good materials to use internally: a small dab of light-body impression material or gutta percha. For the openings in screw-retained crowns, place cotton and cover with composite. 53
  • 54. Exercise # 2 Anterior Single Units – Closed-Tray Impression 54
  • 55. Exercise # 2 Anterior Single Units – Closed-Tray Impression 55
  • 56. 56
  • 57. Exercise # 2 Anterior Single Units – Closed-Tray Impression 1) Place Closed-Tray Impression Coping on tooth # 8 in the model. 2) Clinically, an X-ray would be taken AND SAVED to verify fit. 3) Hand tighten with Unigrip Screwdriver. 4) Fill the Unigrip Screwdriver hole in the top of the Impression Coping screw with some wax. If you don‘t, it may be difficult to seat the impression coping back into the impression with the necessary precision. 57
  • 58. Exercise # 2 Anterior Single Units – Closed-Tray Impression 5) Take impression using PVS or similar material in a stock tray. 6) Remove impression when set. Closed-Tray Impression Coping will stay ON THE IMPLANT. The impression will have a negative mold of the impression coping. 58
  • 59. Exercise # 2 Anterior Single Units – Closed-Tray Impression 7) Remove Closed-Tray Impression Coping with hand screwdriver (turn counterclockwise). 8) Attach Implant Replica to Closed-Tray Impression Coping using hand screwdriver. 59
  • 60. Exercise # 2 Anterior Single Units – Closed-Tray Impression 9) Seat Closed-Tray Impression Coping back into impression making sure that the coping is fully seated with all indexing lined up correctly. 10) Clinically, after disinfection of the impression, the case would next be sent to the lab for pouring of the soft-tissue model and fabrication of the abutment and crown. 60
  • 61. Exercise # 2 Anterior Single Units – Provisionals 11a) Place an Implant-level Temporary Abutment (cementable). Hand tighten only. As with all parts that connect to the Implant, a verification of fit X-ray is necessary. Clinically, you may simply replace the Healing Abutment. Remember to take an X-ray to verify that the Healing Abutment if fully seated. The Cementable Temporary Abutment is seated on the implant and hand tightened. Acrylic is added to the “sleeve” to create a custom temporary. The temporary is cemented to the Temporary Abutment with just a tiny amount of temporary cement (it might be a good idea to add some vaseline to the temporary cement). 61
  • 62. Exercise # 2 Anterior Single Units – Provisionals 11c) Essix Appliance temporary. An Essix Appliance temporary can be used over the healing abutment for short term temporization. The trays are easily made using the same equipment used for suck-down bleaching trays, only the tray material is a firm plastic, not rubbery like the bleaching trays. A denture tooth is placed on the model to replace the missing tooth and acrylic or the denture tooth can be used to build a replacement inside the appliance. 62
  • 63. Exercise # 2 Anterior Single Units – Deliver Custom Abutment 12) Seat the Custom Abutment and finger tighten. 13) Clinically, an X-ray would be taken AND SAVED to verify fit. 14) Clinically, the abutment would be torqued to 35 Ncm. Torque to 15 Ncm on the model. 15) Clinically, the crown would be tried-in, adjusted and delivered (with temporary cement only – so the crown can be retrieved at a later time, if necessary). Remember to seal the opening for the abutment screw with cotton and gutta percha or impression material. 63
  • 64. Exercise # 2 Anterior Single Units – Deliver Crown 64
  • 65. Exercise # 2 Anterior Single Units – Deliver Crown CONCLUSIONS: Some types of cement commonly used for the cementation of implant-supported prostheses have poor radiodensity and may not be detectable following radiographic examination. Most radiopacity TempBond Original Kerr Mfg TempBond NE Kerr Mfg Fleck’s Mizzy, Inc Dycal Dentsply Intl RelyX Luting 3M ESPE RelyX Unicem 3M ESPE Improv Alvelogro Premier Implant Cement Premier Products Co Least radiopacity from Wadhwani C, Hess T, Faber T, Piñeyro A, Chen CS. 65
  • 66. Exercise # 2 Anterior Single Units – Deliver Crown One piece screw-retained crown advantages • no concern with cement removal • cost-effective without use of gold • if tissue recession over time, no visible margin • easily retrievable to modify without destroying crown Cement-retained crowns: MPI & SBI scores: worse over time Screw-retained restorations: MPI & SBI scores improved over time (Modified Plaque Index, Sulcus Bleeding Index) 66
  • 67. Exercise # 3 Posterior Multiple Units – Open-Tray Impression 67
  • 68. Posterior Multiple Units Hot Clinical Tip !!! KEEP THE IMPLANT COVERED. In many cases, when you remove the healing abutments from the mouth, the tissue can collapse into the space that was vacated. To prevent this, it is best to remove one healing abutment at a time and place the Multi- unit Abutment as quickly as possible. Remember to always rinse with chlorhexadine gluconate 4.0%, and, after placing the abutment, take a verification-of-fit X- ray. 68
  • 69. Posterior Multiple Units – Open-Tray Impression 1) Using the yellow plastic carrier, place the Multi-unit Abutment with the Multi- unit Abutment Screw on tooth # 4. Hand tighten with the Multi-unit hex driver. 2) Clinically, an X-ray would be taken AND SAVED to verify fit. 3) Clinically, the abutment would be torqued to 35 Ncm. Torque to 15 Ncm on the model. 69
  • 70. Posterior Multiple Units – Open-Tray Impression 4) Place the Multi-unit Open-tray Impression Coping on the Multi-unit Abutment. Place the Multi-unit Impression Coping Guide Pin. 5) Hand tighten only. 6) No X-ray is necessary - the impression coping is not attached to the implant. 70
  • 71. Posterior Multiple Units – Open-Tray Impression 7) Prepare impression tray by cutting away an area to allow the Impression Coping Guide Pin to exit the impression tray when it is fully seated in the mouth. 8) Take impression with PVS or similar impression material. 9) Unscrew the Guide Pin completely to allow the Impression Coping to come apart from the Implant. Remove the impression (the Impression Coping will remain in the impression). 71
  • 72.
  • 73. Exercise # 4 Overdenture – Two Locator Attachments 73
  • 74. Exercise # 4 Overdenture – Two Locator Attachments Resilient tissue-supported overdenture •Mandible: 2 or more implants •Multiple collar heights for variable tissue levels: 0 to 6 mm depending on platform •Available in NP, RP, WP Locator Attachment 74
  • 75. Exercise # 4 Overdenture – Two Locator Attachments Torque to 35 Ncm clinically (15 Ncm on the model) 75
  • 76. Exercise # 4 Overdenture – Two Locator Attachments Well-fitting denture • Chairside abutment selection by tissue height • Chairside curing of attachments Denture needing reline • Chairside abutment selection by tissue height • Reline impression over Locator metal housing/black processing male • Laboratory or chairside processing of attachments Needing new denture • Chairside abutment selection by tissue height • Abutment level impression with impression coping • Laboratory or chairside processing of attachments 76
  • 77. Exercise # 4 Overdenture – Two Locator Attachments The Locator Abutment is selected to be 1.5mm above the tissue height. Once the abutment is seated, an x-ray must be taken to verify fit. Tissue Depth 77
  • 78. Exercise # 4 Overdenture – Two Locator Attachments • Place a white block-out spacer ring on each abutment. • The spacer ring is used to block out the area surrounding the abutment. • Place the metal housings with the black processing males onto the Locator Abutments. 78
  • 79. Exercise # 4 Overdenture – Two Locator Attachments • Use an appropriate method to mark the locations of the Locator Abutments on the existing denture. • Hollow out the existing denture base in the areas of the Locator Denture Caps. • Most dentists place a hole in the lingual area to allow excess acrylic to escape and the denture to seat fully. 79
  • 80. Exercise # 4 Overdenture – Two Locator Attachments • Fill the receptor sites with prosthetic resin (light cure or self- curing resin). • Apply suitable bonding agent onto Locator metal housings. Lingual connecting holes may be used to anchor the metal housings in the denture. • Seat denture and confirm proper occlusion (tap, tap, bite lightly). • Cure resin in light occlusion without compression of the soft tissue. • Once the resin has cured, remove the denture from the mouth and discard the white block-out spacers. • Fill in any acrylic voids, remove any excess acrylic and polish the denture. 80
  • 81. Exercise # 4 Overdenture – Two Locator Attachments • Select replacement males by considering preferred retention and angle of implant divergence. • Remove the black processing males from the metal housing using the Locator Core Tool. • 6 lbs. of retention per arch total is recommended (two 3.0 lb males, four 1.5 lb males, etc). But always best to start at the lowest level of retention. 10–20° divergence 8515 8524 8527 8529 8547 8548 8915 Processing 5 lbs 3 lbs 1.5 lbs 3–4 lbs .5 lbs 2 lbs 81
  • 82. Exercise # 4 Overdenture – Two Locator Attachments Male Seating Tool Abutment Driver •Separate the Male Removal Tool •The gold-colored end of the section from the Locator Core Tool Locator Core Tool is used for and use the Male Seating Tool end screwing and unscrewing the to place a new male into the empty Locator Abutments to and titanium metal housing. from implants and replicas. •The male is fixed firmly in the cap when a click is heard. Male Removal Tool Male Seating Tool Abutment Driver 82
  • 83. Exercise # 4 Overdenture – Two Locator Attachments To remove the male from the instrument: • Screw the tip clockwise completely onto the middle section. This activates the loosening pin inside the tip, which releases the male. 83
  • 84. Exercise # 4 Overdenture – Two Locator Attachments Male Removal Tool To remove a Locator male from the titanium metal housing: • Insert the tip into the cap/male assembly and push straight into the bottom of the male. • Then tilt the tool so that the sharp edge of the tip will grab hold of the male and pull it out of the metal housing. 84
  • 85. Exercise # 4 Overdenture – Two Locator Attachments Locator Male Processing Package (REF08519-2) 85
  • 86. Exercise # 4 Overdenture – Two Locator Attachments Locator® Extended Range Male Processing Package (8540-2) 86
  • 87. Exercise # 4 Overdenture – Two Locator Attachments Clinical case • Seat two Locator abutments Clinical case courtesy of J. Bain, DDS 87
  • 88. Exercise # 4 Overdenture – Two Locator Attachments Hand tighten with the Abutment Driver and Take a verification x-ray. Clinical case courtesy of J. Bain, DDS 88
  • 89. Exercise # 4 Overdenture – Two Locator Attachments Torque to 35 Ncm clinically (15 Ncm on the model) 89
  • 90. Exercise # 4 Overdenture – Two Locator Attachments Photo courtesy of Per-Olof Karlsson, Sweden Photo courtesy of J. Bain, DDS Create space in the denture base for the metal housing 90
  • 91. Exercise # 4 Overdenture – Two Locator Attachments Place white block-out spacer ring over abutment (may need more than one per abutment) Clinical case courtesy of J. Bain, DDS 91
  • 92. Exercise # 4 Overdenture – Two Locator Attachments Inspect for show-through – Ensure clearance! Photos courtesy of J. Bain, DDS 92
  • 93. Exercise # 4 Overdenture – Two Locator Attachments Clean receptor sites with alcohol Seat metal housing Photos courtesy of J. Bain, DDS 93
  • 94. Exercise # 4 Overdenture – Two Locator Attachments Paint bonding agent on clean roughened acrylic and add acrylic into receptor sites and on metal housing Photos courtesy of J. Bain, DDS 94
  • 95. Exercise # 4 Overdenture – Two Locator Attachments Seat denture and confirm proper occlusion (tap, tap, bite lightly) Photos courtesy of J. Bain, DDS 95
  • 96. Exercise # 4 Overdenture – Two Locator Attachments Remove denture, fill any voids in acrylic, adjust any excess acrylic and polish denture. Remove the black processing male and insert the selected retentive male into the metal housing. *** It is often best to start with the lightest force retentive male ! Photo courtesy of J. Bain, DDS 96
  • 97. Exercise # 4 Overdenture – Two Locator Attachments Check— • Occlusion • Patient’s manual dexterity Photo courtesy of J. Bain, DDS 97
  • 98. Exercise # 4 Overdenture – Two Locator Attachments Well-fitting denture • Chairside abutment selection by tissue height • Chairside curing of attachments Denture needing reline • Chairside abutment selection by tissue height • Reline impression over Locator metal housing/black processing male • Laboratory or chairside processing of attachments Needing new denture • Chairside abutment selection by tissue height • Abutment level impression with impression coping • Laboratory or chairside processing of attachments 98
  • 99. Exercise # 4 Overdenture – Two Locator Attachments • Place a white block-out spacer ring on each abutment to block out the area surrounding the abutment. • Place the metal housings with the black processing males onto the Locator Abutments. • Take an impression to pick up the black processing males and the metal housing for laboratory placement of the housing. • Better yet, complete the reline and add the housings as shown in the last section. 99
  • 100. Exercise # 4 Overdenture – Two Locator Attachments Well-fitting denture • Chairside abutment selection by tissue height • Chairside curing of attachments Denture needing reline • Chairside abutment selection by tissue height • Reline impression over Locator metal housing/black processing male • Laboratory or chairside processing of attachments Needing new denture • Chairside abutment selection by tissue height • Abutment level impression with impression coping • Laboratory or chairside processing of attachments 100
  • 101. Exercise # 4 Overdenture – Two Locator Attachments Locator Impression Coping 101
  • 102. Exercise # 4 Overdenture – Two Locator Attachments Place white block-out spacer rings, and then place Locator impression copings. Clinical case courtesy of Allen L. Schneider, DDS 102
  • 103. Exercise # 4 Overdenture – Two Locator Attachments Final impression with full Abutment replicas in place – extensions and border ready to pour model. Follow molding! standard denture steps. Photos courtesy of Allen L. Schneider, DDS 103
  • 104. Exercise # 4 Overdenture – Two Locator Attachments Clinical case courtesy of Allen L. Schneider, DDS 104
  • 105. Exercise # 5 Overdenture – Making a Stent 105
  • 106. Exercise # 5 Overdenture – Making a Stent fore implant placement in the fully edentulous patient, s required to have defined the proper tooth position. is can be accomplished by: An existing denture A new denture A wax try-in that goes unprocessed 106
  • 107. Exercise # 5 Overdenture – Making a Stent 107
  • 108. Exercise # 5 Overdenture – Making a Stent 108
  • 109. Exercise # 5 Overdenture – Making a Stent 109
  • 110. ck ba hing eryt ev ut ep leas P 110
  • 111. 111

Hinweis der Redaktion

  1. proper treatment plan addressing patient chief complaint keeping in considering all medical, dental, economical conditions and limitations for restoration that has good prognosis . Implant is replacement for missing tooth . Nothing can replace natural tooth when its lost there fore the expectation must be realistic and risk and benefits must be discussed before treatment
  2. The Snappy Abutment is available in two heights 4.0 and 5.5mm, with an available collar height of 0.5mm and 1.5mm collar. A 0.75 mm collar is also available for out NP implant.
  3. When designing a tissue borne overdenture that is being secured with implants here are some minimal guidelines to follow: Mandible: 2 or more implants The Locator Abutment is available in multiple collar heights to accommodate variable tissue levels and can support Either a narrow, regular, or wide implant platform.
  4. After hand tightening, Dr. Bain will utilize the torque wrench and tighten the abutments to 35 Ncm.
  5. The first category we are going to discuss is a patient that currently has a well fitting denture.
  6. Here are the steps to follow: Select the height of the abutment by determining the height of the gingiva at its highest point. The ideal abutment will be exposed a minimum of 1.5 mm over the tissue to make room for the attachment housing Choose the corresponding abutment tissue cuff height or the next closest higher size available .
  7. Place a white block-out spacer ring on each abutment. The spacer ring is used to block out the area surrounding the abutment. Place the metal caps with the black processing males onto the Locator Abutments.
  8. Use an appropriate method to mark the locations of the Locator Abutments on the existing denture. Hollow out the existing denture base in the areas of the Locator Denture Caps. Add: Ensure that the denture caps are fixed on the abutments and do not touch the prosthesis. A method of doing this will be shown on a clinical case to follow.
  9. Caution: You may not be able to remove the denture if resin flows into undercuts around attachments and is cured. To prevent resin from flowing under the caps, two or more Locator block-out spacers can be stacked. Use the ChairsideLightcure Acrylic Resin Syringe Kit (Zest order No. 9403) to light cure bond the Locator Denture Cap Processing Male Assembly into the Denture, or mix a permanent self-curing acrylic and place a small amount in the recess of the denture and around the metal cap of the Locator Denture Cap Processing Male Assembly. Insert the denture into position in the oral cavity. Guide the patient into occlusion, maintaining a proper relationship with the opposing arch. Maintain the denture in a passive condition, without compression of the soft tissue, while the acrylic sets. Excessive occlusal pressure during the setting time may cause tissue recoil against the denture base and could contribute to dislodging and wear of the nylon males. After the acrylic resin has cured, remove the denture and discard the White Block-Out Spacer. Use a bur to remove excess acrylic, and polish the denture base before changing to the final male.
  10. After the housing is cured, the black processing male is removed. Select replacement males by considering preferred retention and angle or implant divergence. Note: Initially, select replacement males with the lowest retention values.
  11. Speaker Note: (Read the information from the slide)
  12. Speaker Note: (Read the information from the slide)
  13. Speaker Note: (Read the information from the slide)
  14. Detail of what is in the packaging contents.
  15. Detail of what is in the extended range packaging contents.
  16. We will now review a clinical case using this method. First Dr. Bain is going to remove the healing abutment, and replace it with the Locator Abutment and hand tighten.
  17. Here we see Dr. Bain hand-tightening the abutments using the Locator Abutment Driver.
  18. Hand tighten the Locator Abutment to the implant using the Latch Type Torque Wrench Driver connected to the Manual Toque Wrench Adapter Prosthetic. Tighten the abutment to 35Ncm using the Manual Torque Wrench Prosthetic.
  19. The Locator Abutments are installed with a minimum 1.5 mm of the abutment exposed above the soft tissue. For the chairside processing of the attachments, the area of the denture to receive the attachment needs to be relieved to create space for the attachment housing. This is accomplished in several steps.
  20. The first step on the abutment side is to place the white block-out spacer over the Locator abutment. Next Dr. Bain will place the metal housing with the black processing male. Note that the black processing male in the titanium housing suspends the attachment in the most vertically removed position, to accommodate for the tissue resilience that will be built in to the retentive attachments substituted after processing.
  21. The area of contact is identified and marked with an indelible pencil
  22. After that procedure, clean the site with some alcohol. The process is repeated as necessary until a completely passive “soft tissue only” seating of the denture is possible without any interference from the Male Processing Attachment. The metal housing is also thoroughly dried,
  23. Then Paint Triad VLC Bonding Agent Onto Housings, then Brush on Light-Cured Gel.
  24. Then we’re going to seat the denture.
  25. Dr. Bain is now going to is remove the black processing male.
  26. EZ Steps Module Rev 0.0 The denture is inserted in the patient, occlusion and final retention is checked.
  27. The next category or situation we are going to review is a Denture needing a reline.
  28. Speaker Note: Detailed instructions with figures to review are available on the ZestAnchor website http://www.zestanchors.com/images/articles/article_6_L8002-TM%20REV%20F.pdf For a denture that requires are reline, the steps are: Insertion of the proper Locator Implant Abutment at tissue level must be completed before beginning the procedure for placement of the Locator Denture Cap Processing Male Assembly. 2. Place a White Block-Out Spacer over the head of each Locator Abutment. The spacer is used to block out the area immediately surrounding the abutment. The space created will allow the full resilient function of the pivoting metal denture cap over the Locator Black Processing Replacement Male. NOTE: If the White Block-Out Spacer does not completely fill the space between the tissue and the metal denture cap, it is necessary to block out any remaining undercuts to prevent the added acrylic resin from locking the denture onto the abutment. This can be accomplished by stacking more Block-Out Spacers. 3. Insert a Locator Denture Cap Processing Male Assembly onto each Locator Implant Abutment, leaving the White Block-Out Spacer beneath it. The Black Processing Replacement Male will maintain the overdenture in the upper limit of its vertical resiliency during the processing procedure. 4. Prepare a recess in the denture to accommodate the protruding Locator Denture Cap Processing Male Assembly. There must be no contact between the denture and the titanium cap. If the denture rests on the metal cap, excess pressure on the implant will result. After passive soft tissue support for the denture over the Locator attachments has been achieved, a reline impression using an elastomeric impression material is made following all full denture principles for border extension. The male processing caps will likely be removed when the denture and impression are removed. If not, the processing male housing is removed and sent to the dental technician. Analogs for the appropriate Locator abutment will be placed in the processing caps and a model poured and mounted on a reline articulator.
  29. When a new denture is necessary, the Locator abutments are still installed before the denture fabrication begins. Then the procedure changes only slightly, in that, impression copings are used on the individual Locator abutments to produce a cast that the denture baseplates are fabricated on.
  30. To make the cast shown in the previous slide, Locator impression copings are used that are picked up in the impression of the lower jaw. Take an impression utilizing the muco-dynamic technique. Send to impression to the dental laboratory.
  31. In this case Dr. Schneider is actually using the older style impression coping. The current impression copings only have one ring.
  32. Here we see the final impression, with the Locator impression copings picked up.
  33. On the left hand side you can see the blue 1.5 replacement male that has been inserted.