TMD

Question 1

what part of the articular disk is avascular and aneural?

Answer 1

intermediate

Question 2

what is the role of the temporomandibular ligament?

Answer 2

limit rotation and posterior displacement

Question 3

what is the role of the collateral ligaments?

Answer 3

limit lateral movement of the disk

Question 4

which way will the jaw go with unilateral contraction of the the medial pterygoids?

Answer 4

contralateral deviation

Question 5

which was will the jaw go with unilateral excursion of the lateral pterygoids?

Answer 5

contralateral excursion

Question 6

what is the movement that results from B medial pterygoid contraction?

Answer 6

elevation and protrusion of the mandible

Question 7

what is the movement that results from B lateral pterygoid contraction?

Answer 7

protrusion

Question 8

what are the actions of the supra hyoid muscles?

Answer 8

depression and retrusion

Question 9

what is normal ROM in mm for depression in men and women?

Answer 9

men - 40 to 45mm, women 45-50mm

Question 10

what happens arthokinematically during the first 25-50% of jaw opening?

Answer 10

posterior rotation of the condyle

Question 11

what happens arthrokinematically during the last 50% of jaw opening?

Answer 11

anterior translation of the disk

Question 12

what is more common anterior and posterior disk displacement?

Answer 12

anterior

Question 13

will the mouth get stuck open or closed with a posterior displacement

Answer 13

open

Question 14

what does a “C” curve indicate while opening?

Answer 14

capsular pattern

Question 15

what does a “S” curve indicate while opening?

Answer 15

motor control

Question 16

when someone has a deflection (mouth deviates one way and does not return to middle at end range) what is usually happening? What side is the derangement on?

Answer 16

anteriorly displaced disk, deflection will occur to the side of the displaced disk

Question 17

what is classified as hyper mobile in mm for opening measurement?

Answer 17

55mm

Question 18

what is the cotton roll test and what doe the results indicate?

Answer 18

bite down on ball of cotton with back molars. If it hurts ipsilateral it is muscular. If pain decreases it is joint on the biting side

Question 19

what would you suspect if someone could not close the jaw?

Answer 19

posterior disk displacement

Question 20

what is truisms? What clinical signs will you see?

Answer 20

an acute closed lock of the jaw after a dental procedure tenderness of the masseter

Question 21

what are the clinical signs of myofascial pain disorder syndrome?

Answer 21

jaw pain, face pain, headaches, joint noises, limited opening, tinnitus, earache, dizziness, swallowing difficulties

Question 22

what affects myofascial pain disorder syndrome

Answer 22

stress levels

Question 23

what is the most common cause of TMD?

Answer 23

myofascial pain disorder syndrome

Question 24

when is TMD mania indicated?

Answer 24

acute closed lock or acute dislocation

Question 25

when would you use spray and stretch?

Answer 25

with myofascial pain disorder syndrome or on active trigger points.

Question 26

what does the tongue controlled mouth opening exercise help with?

Answer 26

hypo, hypermobile, inflammation, and incoordination

Question 27

what exercise can be useful for jaw hypo mobility?

Answer 27

horizontal tongue depressor exercise

Question 28

can treatment to the TMJ/cervical spine treat ear symptoms?

Answer 28

yes