Clinical Correlations: Head/Neck: Dental

Question 1

Why do we lose teeth?

Answer 1

tooth decay, fractured teeth, peridontal disease, impactions, developmentally missing teeth, avulsed teeth due to trauma, neoplasms and other oral pathologies

Question 2

What 3 structures are of concern for tooth extractions that are located in the floor of the mouth?

Answer 2

lingual nerve (medial to lower 3rd molars)
submandibular gland
sublingual galnd

Question 3

The temporalis inserts where?

Answer 3

coronoid process

Question 4

The masseter inserts where?

Answer 4

ramus of mandible

Question 5

The medial pterygoid is a muscle of mastication, especially the superficial head which originates where?

Answer 5

maxillary tuberosity?

Question 6

What are the 3 important muscles on the floor of the mouth?

Answer 6

genioglossus, mylohyoid, geniohyoid

Question 7

In regards to the functional triad, the teeth associate with two other things. What are they?

Answer 7

TMJ and muscles of mastication

Question 8

Bone loss, tooth tipping/rotation/migration, hyper-eruption of opposing teeth, alterations of the plane of occlusion, and TMJ dysfunction are associated with what areas?

Answer 8

toothless areas

Question 9

In regards to bone maintenance, what causes bone deposition?

Answer 9

tension

Question 10

In regards to bone maintenance, what causes bone loss?

Answer 10

lack of tension, enhanced by direct pressure (compressive forces)

Question 11

Does the principle, “use it or lose it” apply to bone?

Answer 11

yes, it just takes longer to lose bone

Question 12

With compressive forces, the ____ bone is lost

Answer 12

leading

Question 13

With tensile forces, the ___ bone is lost

Answer 13

following

Question 14

Ligaments for the alveolar processes are called what?

Answer 14

periodontal ligaments