71 Compartments of the Temporomandibular Joint

Question 1

Identify 1

Answer 1

1. Superior head of the lateral pterygoid m.

Question 2

Identify 2 - 3

Answer 2

2. Superior compartment

3. Inferior compartment

Question 3

Identify 4

Answer 3

4. Inferior head of the lateral pterygoid m.

Question 4

Identify 5 - 8

Answer 4

5. Inferior lamina
6. Retrodiscal pad
7. Superior lamina
8. Articular disc

Question 5

What type of joint is The TMJ? Why?

Answer 5

a ginglymoarthrodial joint because it has hinge and sliding movements.

Question 6

The inferior compartment of the TMJ is located between __ and ___

Answer 6

the articular disc and the mandibular condyle.

Question 7

The inferior compartment of the TMJ is located between the articular disc and the mandibular condyle.
-> This compartment permits ___ (which movement of mandible?)

Answer 7

rotational (hinge) movement, which is the initial movement (15-20 mm) made in the depression of the mandible.

Question 8

The superior compartment is located between __ and ___

Answer 8

the glenoid fossa and the articular disc.

Question 9

The superior compartment is located between the glenoid fossa and the articular disc. T
-> his compartment permits ____ to be maximally depressed after the initial rotation movement

Answer 9

the translational (sliding) movement that allows for the mandible

Question 10

The superior compartment is located between the glenoid fossa and the articular disc. This compartment permits the translational (sliding) movement that allows for the mandible to be ___

Answer 10

maximally depressed after the initial rotation movement

Question 11

For the translational movement to occur, the disc and mandible complex slides anteriorly and inferiorly along ___

Answer 11

the articular eminence.