TOPIC 4C. Teeth, structure, blood supply and innervation

Question 1

TYPES OF TEETH

Answer 1

incisors, canine, premolar and molars

Question 2

why do they differ among species

Answer 2

for spec specific diet

Question 3

heterodonty

Answer 3

when more than one form of tooth

Question 4

structure of teeth

Answer 4

corona dentis
collum dentis
radix

Question 5

what covers the corona dentis

Answer 5

enamel

Question 6

what is the radix embedded in

Answer 6

bony alveolus

Question 7

name the 4 facies

Answer 7

facies lingualis - faces tongue
facies vestibularis - faces cheeks/lips
facies occlusilis - faces opposing teeth
facies contactus - faces neighbouring teeth

Question 8

what are the three mineral tissues of the teeth

Answer 8

enamel, dentin and cement

Question 9

what ligament connect cement to bone

Answer 9

lig periodonteum

Question 10

what fills the dental cavity

Answer 10

pulpa dentis

Question 11

whats dental pulp composed of

Answer 11

vessels, nerves and ct

Question 12

what does the dental apical foramen do

Answer 12

opens at end of root, gives access for vessels and nerves through the root canal

Question 13

what is enamel produced by

Answer 13

adamantoblasts or ameloblasts

Question 14

whats dentin produced by

Answer 14

odontoblasts

Question 15

which arteries supply the teeth

Answer 15

a alveolaris mandibularis - rr dentalis for lower teeth

a infraorbitalis - for upper teeth

Question 16

which nerves innervate the teeth

Answer 16

n alveolaris mandibularis V3 - r alveolaris inferiores caud, med and rost
r incisivum

n infraorbitalis (V2) - r alveolaris superioris - caudalis, medii and rostralis