Unit 3 - Intra Oral Inspection/Assessment (TMJ, Sinuses, Lymphnodes, Extra Oral Landmarks)

Question 1

3 landmarks of TMJ

Answer 1

Glenoid Fossa
Articular eminence
Condyle AKA Condyloid process

Question 2

Space between condyle and glenoid fossa

Answer 2

articular space

Question 3

AKA articular/ joint disc

The “shock absorber”

Answer 3

meniscus

Question 4

TMJ is surrounded by ________ _______

Answer 4

Capsular ligament

Question 5

functions of capsular ligament

Answer 5

• attaches mandibular bone to temporal bone
• protects joint
• lubricates joint with synovial fluid

Question 6

Spaces above and below the meniscus are?

They are filled with?

Answer 6

Superior synovial cavity
Inferior synovial cavity

Filled with synovial fluid

Question 7

Body of the mandible drops down and backwards

Answer 7

TMJ 1st phase: Hinge action

Question 8

TMJ 2nd phase: Gliding Action
mandible can move forward/backwards
condyle moves forward and down

Answer 8

TMJ 2nd phase: Gliding Action

Question 9

All paranasal sinuses connect with the ______ _______

Answer 9

nasal pasage

Question 10

Facial bones that have sinuses

Answer 10

Frontal
Sphemoid
Ethmoid
Maxillary

Question 11

Functions of sinuses

Answer 11

deepens voice
lightens bone
stores warm air for respiratory process

Question 12

What does a swollen lymph node mean?

Answer 12

nodes are producing and filtering and increase of white blood cells (infection)

Question 13

Functions of lymph nodes

Answer 13

• drain tissues
• filter fluids
• produce white blood cells to fight infection

Question 14

5 major lymph node sites in dentistry

Answer 14

cervical 
submental
submandibular
Preauricular
Postauricular

Question 15

Cervical lymph node location

Answer 15

neck

Question 16

Submental lymph node location

Answer 16

behind chin

Question 17

submandibular lymph node location

Answer 17

posterior to submental lymph node closer to throat

Question 18

preauricular lymph node location

Answer 18

anterior to ear

Question 19

postauricular lymph node location

Answer 19

posterior to ear