Temporal Region

Question 0

What type of joint is the temoromandibular joint?

Answer 0

Modified hinge synovial - movement in three planes

Question 1

What divides the parts of the maxillary artery?

Answer 1

Relation to the lateral pterygoid muscle

Question 2

What are the articular surfaces of the TMJ joint?

Answer 2

Head of mandible, articular tubercle of temporal bone, and the mandibular fossa

Question 3

What is different about the articular surface of the TMJ joint?

Answer 3

Covered in fibrocartilage rather than hyaline cartilage as in a typical synovial joint

Question 4

What are the intrinsic structures of the TMJ joint capsule?

Answer 4

Lateral ligament and postglenoid tubercle

Question 5

What are the two extrinsic ligaments of the TMJ joint?

Answer 5

Stylomandibular ligament and sphenomandibular ligament

Question 6

What connects the mandible to the cranium?

Answer 6

Two extrinsic ligaments and the lateral ligament

Question 7

What occurs during translation of the mandible?

Answer 7

Head of the mandible and articular disc move anteriorly on the articular surface until the head lies inferior to the articular tubercle

Question 8

What occurs during protrusion and retrusion of the mandible?

Answer 8

Mandibular head and articular disc slide anteriorly and posteriorly on the articular surface of the temporal bone