Chapter 6 part 2 Flashcards

1
Q

Visible; Projects above gums; 1/3 of tooth

A

Crown

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2
Q

embedded in alveolar process; 2/3 of tooth

A

Root

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3
Q

thin layer of bone holding tooth

A

Cementum

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4
Q

juncture of root and crown

A

Neck

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5
Q

ivory of tooth; bulk of tooth; contain nerves in pulp

A

Dentin

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6
Q

hardest substance in body
covers crown to root (not on root)
resists abrasion
thickest on grinding surface

A

Enamel

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7
Q

chisel shaped

have only one root

A

Central incisors

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8
Q

How many cusps does the first molar have?

A

4

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9
Q

How many cusps does the second molar have?

A

3-4

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10
Q

How many cusps does the third molar have?

A

3

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11
Q

Formation of tooth bud is at ___ weeks during development

A

5

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12
Q

Deposition of enamel and dentin is at ___ weeks during development

A

7

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13
Q

enamel and dentin hardened by calcium

A

Calcification

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14
Q

erupts through alveolar process
calcification still occurring
bony tissue between teeth ossify to form alveoli

A

Intraosseous eruption

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15
Q

see tooth migrate into oral cavity

A

clinical eruption

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16
Q

wear, pressure, strain wears away enamel

A

Attrition

17
Q

How many central incisors do kids have total?

A

4

18
Q

How many lateral incisors do kids have total?

A

4

19
Q

How many canines do kids have total?

A

4

20
Q

How many bicuspids do kids have total?

A

0

21
Q

How many molars do kids have total?

A

8

22
Q

What types of teeth are kids missing (half arch)?

A

2 bicuspids, 1 molar

23
Q

How many central incisors do adults have total?

A

4

24
Q

How many lateral incisors do adults have total?

A

4

25
Q

How many canines do adults have total?

A

4

26
Q

How many bicuspids do adults have total?

A

8

27
Q

How many molars do adults have total?

A

12

28
Q

How many teeth do adults have total?

A

32

29
Q

How many teeth do kids have total?

A

20