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Anatomy - Large Animal > Dentition > Flashcards

Dentition Flashcards

(66 cards)

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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
What is the permanent dental formula of the horse?
Upper: 3-1(0)-3(4)-3 Lower: 3-1(0)-3(4)-3
26
What is the deciduous dental formula of the ruminant?
Upper: 0-0-3 Lower: 3-1-3
27
What is the permanent dental formula of the ruminant?
Upper: 0-0-3-3 Lower: 3-1-3-3
28
Where is the canine located in the ruminant?
right next to I3, there is no diastema between the incisors and the canine
29
What is the deciduous dental formula of the pig?
Upper: 3-1-3 Lower: 3-1-3
30
What is the permanent dental formula of the pig?
Upper: 3-1-4-3 Lower: 3-1-4-3
31
How many total teeth do adult pigs have?
44
32
What is the male's canine teeth known as and how long does it grow in the pig?
husk, it grows its entire life
33
How long does the female canine tooth grow in the pig?
for 2 years
34
Characterize canines in the horse.
they generally form in both sexes, but they are rudimentary and fail to erupt in mares
35
In male horses, if a canine erupts what does it look like and where do they sit?
low, laterally compressed cones within the diastemas closer to the incisors
36
How do the imbedded portions of the canine relate to the exposed part in the horse?
the imbedded portions are disproportionately large as compared to the exposed crowns
37
What is the wolf tooth?
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
What teeth are used for aging?
the lower incisors
39
Where does wear first occur on?
the labial edge
40
When does Galvyne's groove appear and on what tooth (in the horse)?
between 10-30 years on the third upper incisor
41
In the horse, when does the hook appear and on what tooth?
on the upper third incisor at 7 and 11 years
42
In the horse, when does the first deciduous incisor erupt?
6-9 days
43
In the horse, when does the second deciduous incisor erupt?
6-9 weeks
44
In the horse, when does the third deciduous incisor erupt?
6-9 months
45
In the horse, when does the first permanent incisor erupt?
2.5 years
46
In the horse, when does the second permanent incisor erupt?
3.5 years
47
In the horse, when does the third permanent incisor erupt?
4.5 years
48
How long does it take for a tooth to wear?
6 months after eruption
49
In the horse, when does the cup on the permanent first incisor disappear?
6 years
50
In the horse, when does the cup on the permanent second incisor disappear?
7 years
51
In the horse, when does the cup on the permanent third incisor disappear?
8 years
52
If canines erupt in the horse, when will they erupt?
at 4-5(6) years
53
What is a dental star?
secondary dentin
54
What is the shape of young horse incisors?
oval sjaped
55
What is the shape of old horse incisors?
triangular
56
When is the angle of incidence more acute in the horse?
as it gets older, the angle becomes more acute
57
When are all deciduous incisors for cattle present?
at birth or by day 14
58
When are all deciduous incisors in small ruminants present?
at birth or by day 7
59
In cattle, when does the first permanent incisor erupt?
1.5-2 years
60
In cattle, when does the second permanent incisor erupt?
2-2.5 years
61
In cattle, when does the third permanent incisor erupt?
3-3.5 years
62
In small ruminants, when does the first permanent incisor erupt?
1-1.5 years
63
In small ruminants, when does the second permanent incisor erupt?
1.5-2 years
64
In small ruminants, when does the third permanent incisor erupt?
2.5-3 years
65
When does the canine erupt in cattle?
3.5- 4 years
66
When does the canine erupt in small ruminants?
3-4 years

Anatomy - Large Animal (21 decks)

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