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Anatomy - Large Animal > Dentition > Flashcards

Dentition Flashcards

1
Q

Characterize brachydont teeth.

A

a crown, neck, and well developed roots

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2
Q

What are the substances that brachydont teeth are made up of?

A

enamel, dentin, cement, pulp

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3
Q

What is the hardest substance in the body?

A

enamel

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4
Q

What teeth are brachydont teeth in the horse and the ruminant?

A

the incisors and canines in cow, and the first premolars and canine in the horse

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5
Q

Characterize hypsodont teeth.

A

teeth with a high crown and short roots

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6
Q

What substances are the hyposodont teeth made up of?

A

cement, enamel, dentin, pulp

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7
Q

What does it mean when a hyposodont tooth is in wear?

A

the tooth begins to wear off its enamel later after eruption through the gums

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8
Q

In the horse and ruminant, what are the hypsodant teeth?

A

the premolars and molars (except the first premolar in the horse)

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9
Q

What is the clinical tooth?

A

the part of the tooth that has erupted from the gum line

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10
Q

What is the anatomical tooth?

A

the whole tooth; erupted and not erupted

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11
Q

What are the surfaces of the teeth?

A

occlusal, mesial, distal, buccal, labial, and lingual

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12
Q

What is the occlusal surface of the tooth?

A

surfaces that touches the teeth on the opposite arcade

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13
Q

What is the mesial surface of the tooth?

A

the surface of the tooth that is closest to the midline

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14
Q

What is the distal surface of the tooth?

A

the surface of the tooth that is the furthest away from the midline

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15
Q

What is the buccal surface of the tooth?

A

the surface of the tooth that faces the cheek

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16
Q

What is the labial surface of the tooth?

A

the surface of the tooth that faces the lips

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17
Q

What is the lingual surface of the tooth?

A

the surface of the tooth that faces the tongue

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18
Q

In the horse, how do the buccal parts of both arcades interact?

A

the upper arcade overlaps the buccal part of the lower arcade

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19
Q

In the horse how do the lingual parts of both arcades interact?

A

the lingual part of the lower arcade overlaps the lingual part of the upper arcade

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20
Q

What is the deciduous dental formula of the feline?

A

Upper: 3-1-3 (no P1) Lower: 3-1-2 (no P1 or P2)

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21
Q

What is the permanent dental formula of the feline?

A

Upper: 3-1-3-1 (no P1) Lower: 3-1-2-1 (no P1 or P2)

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22
Q

What is the deciduous dental formula of the canine?

A

Upper: 3-1-3 (no P1) Lower: 3-1-3 (no P1)

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23
Q

What is the permanent dental formula of the canine?

A

Upper: 3-1-4-2 Lower: 3-1-4-3

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24
Q

What is the deciduous dental formula of the horse?

A

Upper: 3-0(1)-3 Lower: 3-0(1)-3

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25
Q

What is the permanent dental formula of the horse?

A

Upper: 3-1(0)-3(4)-3 Lower: 3-1(0)-3(4)-3

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26
Q

What is the deciduous dental formula of the ruminant?

A

Upper: 0-0-3 Lower: 3-1-3

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27
Q

What is the permanent dental formula of the ruminant?

A

Upper: 0-0-3-3 Lower: 3-1-3-3

28
Q

Where is the canine located in the ruminant?

A

right next to I3, there is no diastema between the incisors and the canine

29
Q

What is the deciduous dental formula of the pig?

A

Upper: 3-1-3 Lower: 3-1-3

30
Q

What is the permanent dental formula of the pig?

A

Upper: 3-1-4-3 Lower: 3-1-4-3

31
Q

How many total teeth do adult pigs have?

A

44

32
Q

What is the male’s canine teeth known as and how long does it grow in the pig?

A

husk, it grows its entire life

33
Q

How long does the female canine tooth grow in the pig?

A

for 2 years

34
Q

Characterize canines in the horse.

A

they generally form in both sexes, but they are rudimentary and fail to erupt in mares

35
Q

In male horses, if a canine erupts what does it look like and where do they sit?

A

low, laterally compressed cones within the diastemas closer to the incisors

36
Q

How do the imbedded portions of the canine relate to the exposed part in the horse?

A

the imbedded portions are disproportionately large as compared to the exposed crowns

37
Q

What is the wolf tooth?

A

the first premolar of the upper and lower arcade on the horse that often fails to develop; if it does then it is vestigial

38
Q

What teeth are used for aging?

A

the lower incisors

39
Q

Where does wear first occur on?

A

the labial edge

40
Q

When does Galvyne’s groove appear and on what tooth (in the horse)?

A

between 10-30 years on the third upper incisor

41
Q

In the horse, when does the hook appear and on what tooth?

A

on the upper third incisor at 7 and 11 years

42
Q

In the horse, when does the first deciduous incisor erupt?

A

6-9 days

43
Q

In the horse, when does the second deciduous incisor erupt?

A

6-9 weeks

44
Q

In the horse, when does the third deciduous incisor erupt?

A

6-9 months

45
Q

In the horse, when does the first permanent incisor erupt?

A

2.5 years

46
Q

In the horse, when does the second permanent incisor erupt?

A

3.5 years

47
Q

In the horse, when does the third permanent incisor erupt?

A

4.5 years

48
Q

How long does it take for a tooth to wear?

A

6 months after eruption

49
Q

In the horse, when does the cup on the permanent first incisor disappear?

A

6 years

50
Q

In the horse, when does the cup on the permanent second incisor disappear?

A

7 years

51
Q

In the horse, when does the cup on the permanent third incisor disappear?

A

8 years

52
Q

If canines erupt in the horse, when will they erupt?

A

at 4-5(6) years

53
Q

What is a dental star?

A

secondary dentin

54
Q

What is the shape of young horse incisors?

A

oval sjaped

55
Q

What is the shape of old horse incisors?

A

triangular

56
Q

When is the angle of incidence more acute in the horse?

A

as it gets older, the angle becomes more acute

57
Q

When are all deciduous incisors for cattle present?

A

at birth or by day 14

58
Q

When are all deciduous incisors in small ruminants present?

A

at birth or by day 7

59
Q

In cattle, when does the first permanent incisor erupt?

A

1.5-2 years

60
Q

In cattle, when does the second permanent incisor erupt?

A

2-2.5 years

61
Q

In cattle, when does the third permanent incisor erupt?

A

3-3.5 years

62
Q

In small ruminants, when does the first permanent incisor erupt?

A

1-1.5 years

63
Q

In small ruminants, when does the second permanent incisor erupt?

A

1.5-2 years

64
Q

In small ruminants, when does the third permanent incisor erupt?

A

2.5-3 years

65
Q

When does the canine erupt in cattle?

A

3.5- 4 years

66
Q

When does the canine erupt in small ruminants?

A

3-4 years

Anatomy - Large Animal (21 decks)

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