TMJ Flashcards

1
Q

What muscle does blowing?

A

Buccinator

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2
Q

What is the fusion of the joint called?

A

Ankylosis

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3
Q

What moves the jaw lateral and forward to the right?

A

Left medial and lateral pterygoid

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4
Q

Depressing the jaw against resistance uses what muscles?

A

Digastric and suprahyoid

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5
Q

Patients with what are more likely to develop TMD?

A

RA Pts

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6
Q

What is the procedure of choice for TMJ?

A

MRI

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7
Q

Myofascial bilateral stretch doc contacts where?

Stretch where?

A

Both angles of mandible

Caudally

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8
Q

Where is the tender point in masseter?

Treat how?

A

Inferior to zygomatic in belly of masseter muscle

Depress mandible, place hand on mandible and translate towards side of tender point until pain decreased 70%

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9
Q

How much does the mouth normally open?

A

3-6cm

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10
Q

What can indicate TMJ?

A

Bruxism

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11
Q

What muscle does snarl (doesn’t raise lateral angle)

A

Levator anguli oris

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12
Q

What muscle protrudes upper lip?

A

Zygomatic minor

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13
Q

What force is induced in a pterygoid fascial stretch?

May see what?

A

Superior and lateral

Tearing due to stimulation of sphenopalatine ganglion

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14
Q

C shape is unilateral and deviates to which side?

A

Side of SD

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15
Q

What is a class 3 tooth occlusion?

A

Lower 1st molar anterior to posterior

Underbite

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16
Q

What muscle draws tip of chin upward?

17
Q

What is a class 2 tooth occlusion?

A

Lower 1st molar posterior to upper

Large overbite

18
Q

How do you describe the TMJ meniscus?

A

A neural and avascular at force bearing zone

19
Q

What is a class 1 tooth occlusion?

A

1st molars normal, irregularities elsewhere

Overbite

20
Q

What is the only synovial joint in the cranium?

21
Q

What muscle does smile?

A

Zygomaticus major

22
Q

What muscle does pouting?

A

Depressor labib inferior

23
Q

What “other Sx” may TMJ cause?

A

Neck pain
Eye pain
Arm/back pain
Dizziness

24
Q

What muscle does grimace?

25
what is the treatment for S shape?
Warm towel over TMJ for 10-15 min | Have patient resist their own motion for 20-30 sec, sets of 10, 2x a day
26
What clenches the jaw?
TMM Temporal is Masseter Medial pterygoid
27
Describe the thirds of the face
Hair line to bipupital line Bipupital to nose Nose to chin
28
The mandible is ___?
Bi-convex
29
Where is the TMJ tender point? Tx position?
Posterior aspect of angle of mandible Rotate head to the opposite side of the tender point
30
What muscle draws corner of mouth down?
Depressor anguli oris and platysma
31
Unilateral stretch of TMJ patient is turned which way? What stretch?
Turned away from side of SD Caudad
32
Reduction of anterior disc tx?
4th and 5th fingers lift mandible anteriorly 2nd and 3rd lift cephalad Opposite hand applies medial force to mandible
33
S shape deviation means what?
Bilateral muscle imbalance
34
Pts with TMJ may present with what?
Ear pain Headache Tinnitus
35
What muscle compresses lips?
Orbicularis oris