Your temporomandibular joint is a hinge that connects your jaw to the temporal bones of your skull, which are in front of each ear. It lets you move your jaw up and down and side to side, so you can talk, chew, and yawn.
Injury to your jaw, the joint, or the muscles of your head and neck-like from a heavy blow or whiplash can lead to TMD(temporo mandibular disorders)
Common symptoms include:
-Pain or tenderness in your face, jaw joint area, neck and shoulders, and in or around the ear when you chew, speak, or open your mouth wide.
-Problems when you try to open your mouth wide.
-Jaws that get "stuck" or "lock" in the open- or closed-mouth position.
-Clicking, popping, or grating sounds in the jaw joint when you open or close your mouth or chew. This may or may not be painful.
-A tired feeling in your face.
-Trouble chewing or a sudden uncomfortable bite as if the upper and lower teeth are not fitting together properly.
-Swelling on the side of your face.
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2. Whatâs TMJ/ The temporomandibular joint (TMJ)
is where the jaw bone (mandible) connects to
the skull (temporal bone).
The joint is very complex, perhaps the most
complex joint in the body.
The joint was crucial in our evolution as it allows
us to do movements other than just vertical
chewing. As with every joint, there is a pad or
disc that separates and cushions the two
articulating bones.
3. Just imagine how this little disc has to move
around to keep up with the movements of the
jaw.
Adduction of the mandible, or mouth closing, is
performed by the actions of the masseter,
temporalis, and medial pterygoid muscles.
Abduction, or mouth opening, is performed by
the lateral pterygoids and digastrics
musculature.
4. The lateral
deviation occurs by
the action of the
contralateral lateral
pterygoid muscles,
and protrusion of
the mandible occurs
when right and left
lateral pterygoid
muscles contract
simultaneously.
5. THE PROBLEM!!!!
With the complexity, here comes the problem.
The joint essentially can âdislocateâ and move
up and down a ramp at the base of the skull.
Try jutting your chin out away from your head
(protrusion).
6. Even though there are just two joints at each
side of our heads, we can wiggle our jaw back
and forth.
When people say TMJ, they are often referring
to pain or discomfort anywhere along the jaw,
which may also include some neck muscles.
But because the pain is not just located at the
joint, a more accurate term for the condition
may actually be Temporomandibular Disorders
7. This refers to the
conditions involving
pain or dysfunction of
the joint and/or
surrounding tissues.
Temporomandibular
disorder is a common
cause of chronic facial
pain and is known to
interfere with personal
relations, professional
duties, and overall
quality of life.
8. Bruxism is the medical
term for unconscious
teeth clenching and
grinding, either while
awake or asleep, which
can lead to physical
painful and severe dental
problems.
Chronic teeth grinding
can cause headache,
earaches, facial pain,
and even migraines.
9. Dental problems from bruxism include lose of
tooth enamel, increased tooth sensitivity, and
flattening and/or chipping of the teeth.
The cause is believed to stem from brain
signals that lead to involuntary and forceful
contraction of jaw muscles.
Some evidence suggests a genetic
predisposition, but bruxism may also stem from
stress and anxiety, an abnormal bite or crooked
or missing teeth.
10. In addition, the effects of some drugs,
including caffeine, may play a role.
Bruxism sufferers who grind and clench their
teeth while sleeping frequently wake up with a
sore jaw.
Hypertrophy of the masseter muscle, which
may lead to the appearance of a severe
square jaw, is another side effect of bruxism.
12. â˘Teeth grinding or clenching, which may be
loud enough to awaken you
â˘Increased tooth sensitivity
â˘Jaw or face pain or soreness
â˘Tired or tight jaw muscles
â˘Teeth that are flattened, fractured, chipped or
loose
13. â˘Worn tooth enamel, exposing deeper layers
of your tooth
â˘Pain that feels like an earache, though it's
actually not a problem with your ear
â˘Dull headache originating in the temples
â˘Damage from chewing on the inside of your
cheek
â˘Indentations on your tongue
14. THE
SOLUTION
Treatments for TMD range from non-
pharmacologic therapy, conservative
pharmicotherapy and open surgery.
Botulinum toxin injection has therefore become an
attractive choice as adjuvant therapy in patients
with TMD who do not achieve a complete
response with conservative management and
pharmacotherapy.
15. Botox injections for TMJ uses botulin toxin
type A injected into the joint or the affected
muscles to essentially paralyze whichever
areas are causing pain and damage.
TMJ patients who clench and grind their
teeth, for example, will no longer be able to
clench or grind their teeth because the Botox
injection causes partial paralysis.
16. Because the muscles that receive Botox injections are larger than
the small muscles that are treated for wrinkles, patients receiving
Botox injections for TMJ may not notice relief for two weeks or
more
18. By injecting small doses of botulinum toxin directly
into the masseter muscle (the large muscle that
moves the jaw), the muscle is weakened enough to
stop involuntary grinding of the teeth and
clenching of the jaw.
This significantly relaxes the muscle and reduces
the wear and tear on the teeth due to grinding.
Damage to the TMJ (temporomandibular joint) and
headaches should be reduced or eliminated as
well.
20. THE side effects!!
â˘Headache
â˘Respiratory infection
â˘Flu-like illness
â˘Nausea
â˘Temporary eyelid droop
â˘Fatigue
â˘Double vision
â˘Skin irritation
â˘Rash at injection site
21. Other side effects that are related to the injection
itself may occur within the first week after
treatment before gradually disappearing.
These include:
â˘Pain
â˘Redness at the site of injection
â˘Muscle weakness
â˘Bruising at the injection site
22. SUITABLE PATIENTS FOR
BOTOX
ďźBotox is not suitable for every patient.
ďźCare must be taken as to when to use it, how to
use it, and who is a good candidate.
ďźThere are times when muscles hurt even
though they have not been overused.
ďźWhen life circumstances, emotions or thoughts
cause your muscles to tighten and ultimately
ache, then Botox injections for TMJ will not likely
help.
23. Instead, counseling, talk
therapy, cognitive
behavioral therapy, may
be better options.
If youâre considering
Botox as part of your
treatment for TMJ
problems, jaw pain, pain
in or around your teeth, or
because of a change in
the shape of your jaw -
see if you fit into the
following categories.
24. ďźIf One Currently Wears a Night Guard, and
still have morning symptoms of muscle pain or
tightness, joint noises, locking, and/or pain,
they may be a good candidate for Botox.
ďźIf You Canât Tolerate A Night Guard and have
tried various types, with your dentistâs
guidance, Botox injections for TMJ may
provide meaningful benefit.
25. If your jaw muscles are just too big and visibly
over-built, Botox may be an option.
One of the predictable things that Botox does is
reduce muscle bulk when used over time.
Botox has been shown to be effective in
producing a flatter and more natural-looking
profile.
You will likely need three Botox sessions in
three-month intervals to achieve the best
results.
27. Q: How does Botox help lessen grinding teeth at
night?
A: Because teeth grinding occurs as a result of a
clenched jaw muscle, Botox helps to lessen the
muscles ability to clench tightly, therefore resulting
in a decrease in the amount of grinding.
Q. What is the cost of Botox for teeth grinding?
A: Though the cost is very dependent upon the
individual, seriousness of your teeth grinding will
play a part in determining how many injections
youâll need.
28. Q. Can anyone perform Botox Injections?
A.No, Itâs ideal to have an experienced Botox injector
perform your treatment, probably a board certified
dentist.
Q. Where is Botox injected?
A: To help prevent Bruxism, Botox is injected into
the masseter muscles located in the jaw and the
temporalis muscle in the scalp. This helps reduce the
amount of grinding while sleeping.
29. Q. Why to prefer Botox over Conventional
Therapy?
The best part about using Botox for either
conditions is that the toxin doesnât interfere with
voluntary jaw movements; patients can speak, eat,
and make the same facial expressions just as they
normally would without the treatment. Along with
the diminished appearance of wrinkles and a
slimmer jawline
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31. To book an appmt.
contact :
Dr.Rajat Sachdeva
Dr Sachdevaâs Dental
Aesthetic & Implant Institute
I 101, Ashok Vihar Phase 1,
Delhi- 110052