Lecture 13 Part 1

Question 1

Buccal Cavity includes

Answer 1

mouth/oral cavity with teeth, tongue, and palate

Question 2

Bucc. Cavty. In mamm. have a cheek region-helps with…

Answer 2

chewing of food

Question 3

Functions of teeth:

Answer 3

Catch/hold prey
Crush hard shells
In mamm, begin mech. dig.

Question 4

Occlusal surface-

Answer 4

grinding surface of post. teeth, touches other jaw

Question 5

Teeth include:

Answer 5

cusps, crown, root, enamel, dentin, cementum, occ. surface

Question 6

Most fish and reptiles teeth are

Answer 6

rootless, attached

Question 7

Homodont dentition-

Answer 7

similar app. throughout

Question 8

Polydont-

Answer 8

large number of teeth

Question 9

Polyphyodont-

Answer 9

teeth cont. replaced; ensures rejuvenation if wear/breakage dimin. funct.

Question 10

Mamm: Heterodont dentition-

Answer 10

differ throughout

Question 11

Mamm: Diphyodont-

Answer 11

only two sets of deciduous/permanent

Question 12

Diphyodont except

Answer 12

eleph., kangaroo, manatee (polyphyodont)

Question 13

Specialized teeth: Three typ. of tooth attch. to supporting bones

Answer 13

Thecodont, Acrodont, Pleurodont

Question 14

Thecodont-sunken into..

Answer 14

sockets within bone

Question 15

Acrodont-shallow sockets w/teeth attch. to..

Answer 15

crest of bone

Question 16

Pleurodont-

Answer 16

teeth attch. to medial side of bone

Question 17

Thecodont animals

Answer 17

mamm/crocs

Question 18

Acrodont animals

Answer 18

snakes

Question 19

Pleurodont animals

Answer 19

lizards/amph.

Question 20

Incisors-

Answer 20

cutting/clipping

Question 21

Canines-

Answer 21

puncturing/holding

Question 22

Premolars/molars (cheek teeth)-

Answer 22

crushing/grinding