Maxillary Major Connectors for Partial Dentures
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The document discusses different types of major connectors that can be used in maxillary partial dentures. It describes several major connector designs including the single palatal strap, double palatal strap, complete palatal coverage, single posterior palatal bar, and double palatal bar. For each design, it provides information on indications, characteristics, advantages, and disadvantages. The major connectors are important components in fabricating partial dentures.
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Maxillary Major Connectors for Partial Dentures
- 2. FLASHBACK INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.comwww.indiandentalacademy.com
- 3. DIAGNOSIS AND TREATMENT PLANNING STEPS IN FABRICATION OF PARTIAL DENTURE MAJOR CONNECTORS MANDIBULAR MAJOR CONNECTORS MAXILLARY MAJOR CONNECTORS MINOR CONNECTORS RESTS AND REST SEATS DIRECT RETAINERS INDIRECT RETAINERS www.indiandentalacademy. com
- 5. MAXILLARY MAJOR CONNECTORS SINGLE PALATAL STRAP MAJOR CONNECTOR DOUBLE PALATAL STRAP MAJOR CONNECTOR SINGLE BRAOD PALATAL STRAP MAJOR CONNECTOR COMPLETE PALATAL COVERAGE MAJOR CONNECTOR SINGLE POSTERIOR PALATAL BAR DOUBLE PALATAL BAR MAJOR CONNECTOR HORSE SHOE SHAPED MAJOR CONNECTOR www.indiandentalacademy. com
- 6. SINGLE PALATAL STRAP MAJOR CONNECTOR www.indiandentalacademy. com
- 7. INDICATIONS -BILATERAL EDENTULOUS SPACES OF SHORT SPANS - KENNEDY”S CLASS III MOD 1 CONTRAINDICATIONS - DISTAL EXTENSION CASES BECAUSE OF TORGUE FORCES www.indiandentalacademy. com
- 8. CHARACTERISTIC FEATURES - ANATOMICAL REPLICA FORM - ANTERIOR BORDER - FOLLOW THE VALLEY BETWEEN RUGAE - POSTERIOR BORDER - RIGHT ANGLE TO THE MEDIAN SUTURE LINE WIDTH - APPROXIMATELY 8mm - COMBINED WIDTH OF 2nd PREMOLAR AND FIRST MOLAR - CONFINED WITHIN RESTS www.indiandentalacademy. com
- 9. SINGLE PALATAL STRAP MAJOR CONNECTOR www.indiandentalacademy. com
- 10. ADVANTAGES LOCATED IN 3 PLANES SINCE RESISTS BENDING OR TWISTING FORCES CREATES RIGIDITY WITH LESS BULKY METAL COMFORT TO THE PATIENT SINCE IT IS THIN DIS ADVANTAGES PATIENT MAY COMPLAIN EXCESSIVE PALATAL COVERAGE SOFT TISSUE REACTION- PAPILLARY HYPERPLASIA www.indiandentalacademy. com
- 11. BLOCKOUT SLIGHT RELIEF IN RAPHE REGION BEEDING PROVIDES BETTER SEAL BETTER STABILITY www.indiandentalacademy. com
- 12. SINGLE BROAD PALATAL STRAP MAJOR CONNECTOR www.indiandentalacademy. com
- 13. INDICATIONS - CLASS I SITUATION - V OR U SHAPED PALATES - STRONG ABUTMENTS CONTRA INDICATIONS PALATAL TORI www.indiandentalacademy. com
- 14. CHARACTERISTIC FEATURES - ANATOMICAL REPLICA FORM - ANTERIOR BORDER - FOLLOW THE VALLEY BETWEEN RUGAE - RIGHT ANGLE TO MEDIAN SUTURE LINE - POSTERIOR BORDER - JUNCTION OF HARD AND SOFT PALATE - EXTENDS TIL HAMULAR NOTCHES - RIGHT ANGLE TO MEDIAN SUTURE LINE www.indiandentalacademy. com
- 15. ADVANTAGES - RIGID - GOOD SUPPORT FROM PALATE - L BEAM EFFECT DISADVANTAGES - INERFERENCES WITH PHONETICS www.indiandentalacademy. com
- 16. BLOCKOUT SLIGHT RELIEF IN MEDIAN RAPHE REGION BEADING PROVIDES BETTER SEAL AND SUPPORT www.indiandentalacademy. com
- 17. ANTERO POSTERIOR STRAP OR DOUBLE PALATAL STRAP MAJOR CONNECTOR www.indiandentalacademy. com
- 18. INDICATIONS - KENNEDY’S CLASS I & CLASS II SITUATION - LONG SPAN IN CLASS II Mod I - CLASS IV - INOPERABLE PALATAL TORI www.indiandentalacademy. com
- 19. CHARACTERISTIC FEATURES - PARALLELOGRAM SHAPE WITH CENTRAL OPENING - NARROW PALATAL STRAPS OF WIDTH 8-10 mm - LATERAL PALATAL STRAPS OF WIDTH 7-9 mm - 6mm AWAY FROM GINGIVAL CREVICES - IT HAS TWO HORIZONTAL PALATAL STRAPS - ANTERIOR STRAP - POSTERIOR STRAP www.indiandentalacademy. com
- 21. ANTERIOR PALATAL STRAP WIDTH – 8-10 mm LOCATION ANTERIOR BORDER - SHOULD NOT BE PLACED ANTERIORLY THAN ANTERIOR RESTS - FOLLOWS VALLEYS OF RUGAE POSTERIOR PALATAL STRAP POSTERIOR BORDER LOCATED AT JUNCTION OF HARD AND SOFT PALATE AND HAMULAR NOTCH www.indiandentalacademy. com
- 22. ADVANTAGES - RIGIDITY - L BEAM EFFECT - STABILITY BLOCKOUT - SLIGHT RELIEF IN MEDIAN PALATINE RAPHE BEADING - PROVIDES BETTER SEAL www.indiandentalacademy. com
- 23. COMPLETE PALATAL COVERAGE MAJOR CONNECTOR www.indiandentalacademy. com
- 24. INDICATIONS - WHEN FEW ANTERIOR TEETH ARE REMAINING - CLASS II WITH LARGE POSTERIOR MODIFICATION - CLASS II WITH MISSING ANTERIOR TEETH - CLASS I ARCH WITH 1-4 PREMOLARS AND SOME OR ALL ANTERIOR REMAINING CONTRA INDICATIONS - PRESENCE OF PEDUNCULATED PALATAL TORI www.indiandentalacademy. com
- 25. CHARACTERISTIC FEATURES - ANATOMICAL REPLICA FORM FOR FULL PALATAL METAL AND POSITIVE REST SEATS - ACRYLIC EXTENSIONS POSTRIORLY - CONTACTS WITH ALL REMAINING TEETH - POSTERIOR BORDER TERMINATES AT JUNCTION OF HARD AND SOFT PALATE www.indiandentalacademy. com
- 26. TYPES ALL ACRYLIC RESIN COMBINATION OF METAL AND ACRYLIC RESIN ALL CAST METAL RELIEF SMALL EXOSTOSIS BEADING BEADING PROVIDES BETTER SEAL www.indiandentalacademy. com
- 27. SINGLE POSTERIOR PALATAL BAR www.indiandentalacademy. com
- 28. - NARROW HALF OVAL MAJOR CONNECTOR WITH THICKEST PORTION AT CENTRE - BAR SHOULD BE GENTLY CURVED AND SHOULDNOT FORM A SHARP ANGLE www.indiandentalacademy. com
- 30. ADVANTAGES IT IS ONLY USED AS A INTERIM PARTIAL DENTURE DISADVANTAGES - DIFFICULT TO ADJUST FOR THE PATIENT - LACK OF RIGIDITY - IT SHOULD NOT BE USED WHEN ANTERIOR TEETH ARE MISSING - CANT BE USED IN DISTAL EXTENSION CASES www.indiandentalacademy. com
- 31. ANTERO POSTERIOR OR DOUBLE PALATALBAR www.indiandentalacademy. com
- 32. - IT CAN BE USED IN TOOTH SUPPORTED PARTIAL DENTURES - IT CAN BE USED WHEN ADEQUATE PERIODONTAL SUPPORT - ANTERIOR BAR SHOULD BE SITUATED IN BETWEEN RUGAE - TWO BARS ARE JOINED BY LONGITUDINAL ELEMENTS - GIVES L BEAM EFFECT www.indiandentalacademy. com
- 34. ADVANTAGES - RIGIDITY - LARGE PALATAL TORI DISADVANTAGES - LACK OF RIGIDITY - LITTLE SUPPORT IS POSSIBLE www.indiandentalacademy. com
- 35. U SHAPED PALATAL MAJOR CONNECTOR OR CLOSED HORSE SHOE SHAPED MAJOR CONNECTOR www.indiandentalacademy. com
- 36. INDICATIONS - INOPERABLE PALATAL TORI - CLASS IV SITUATION – RARELY INDICATED DIS ADVANTAGES - LACK OF RIGIDITY - RARELY INDICATED DUE TO LACK OF SUPPORT www.indiandentalacademy. com
- 37. CHARACTERISTIC FEATURES - ANTERIOR BORDER MUST BE SUPPORTED BY INDIRECT RETAINER - ANTERIOR BORDER KEPT 6mm AWAY FROM ADJACENT TEETH - IF THE ANTERIOR BORDER CONTACTING THE REMAINING TEETH, MAJOR CONNECTOR MUST BE SUPPORTED BY RESTS RELIEF NOT NECESSARY www.indiandentalacademy. com
- 39. If we really want to love we must learn how to forgive. –Mother Teresa. THANK YOU…. For more details please visit www.indiandentalacademy.com www.indiandentalacademy. com