TMJ Tangy

Question 1

T/F:

TMJ is a loading joint & a synovial joint.

Answer 1

Both statements are true

Question 2

Inferior compartment of TMJ = ?

Answer 2

rotation

Question 3

superior compartment of TMJ = ?

Answer 3

translation

Question 4

What part of the condyle is involved in translation?

Answer 4

anterior superior

Question 5

What ligament restricts protrusive movement?

Answer 5

Stylomandibular ligament

Question 6

When yawning, which ligament tightens up so that the condyle stays in fossa and prevents retrusion?

Answer 6

Temporomandibular Ligament

Question 7

What ligament is connected the lingula of the mandible?

Answer 7

Sphenomandibular ligament

Question 8

Origin + insertion of sphenomandibular ligament

Answer 8

• Spine of the sphenoid

- Lingula of the mandible

Question 9

Origin + insertion of the pterygomandibular raphe?

Answer 9

Hamulus of the pterygoid plate & mylohyoid line

Question 10

Origin + insertion of temporomandibular ligament?

Answer 10

• Articular eminence/ posterior zygomatic arch

- Neck of condyle

Question 11

Collateral (Discal) ligaments used during

Answer 11

lateral movements

Question 12

Collateral (Discal) ligaments keep articulator cartilage on the:

Answer 12

condyle head

Question 13

What type of tissue covers the condylar surface of a 10yr old?

Answer 13

Dense fibrous connective tissue

Question 14

What covers the articulating surface of the TMJ?

Answer 14

Fibrocartilage

Question 15

Articulating surface of TMJ in older person is covered in?

Answer 15

fibrous connective tissue containing chondrocytes

Question 16

Where is the phagocyte located in the TMJ?

Answer 16

Synovial membrane

Question 17

What type of connective tissue is in the middle portion of the retrodiscal pad?

Answer 17

Loose CT with blood supply

Question 18

Patient is anesthetized & pain at the TMJ is gone, what nerve is was anesthetized?

Answer 18

Auriculotemporal N (from V3)

Question 19

TMJ formation occurs at what week?

Answer 19

12