TMJ

Question 1

what kind of lever

Answer 1

THIRD

Fulcrum - effort - resistance (FER)

Question 2

Disc moves with ___

Answer 2

the condyle

Question 3

Resting position =

Answer 3

2-5 mm between teeth

Question 4

Mouth opening

Answer 4

Early phase = rotation/rolling of lower joint

Late phase = gliding ant at upper joint (disc ant too)

Question 5

Mandible elevation mm

Answer 5

Temporalis
Masseter
Medial pterygoid

Question 6

Mandible Protrusion mm

Answer 6

Medial and Lateral Pterygoids

Masseter

Question 7

Mandible Retrusion mm

Answer 7

Digastric

Temporalis

Question 8

Lateral deviation mm

Answer 8

Ipsilateral masseter and temporalis

Contralateral medial and lat pterygoids

Question 9

DDWR vs. DDWOR

Answer 9

With reduction = 2 clicks

Without = 1 click (can’t fully open)

Question 10

Power stroke

Answer 10

3 tongue depressors bilaterally!!

If pain = mm issue (you unloaded the joints)

Question 11

Unilateral joint loading

Answer 11

3 tongue depressors on one side!!

If pain on side without depressors = joint arthralgia (side without depressors is not unloaded

Question 12

Normal opening =

Answer 12

35/40 - 50 mm