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Anatomy > Oral Cavity > Flashcards

Oral Cavity Flashcards

1
Q

What are the skull types?

A

Mesaticephalic
Brachycephalic
Dolichocephalic

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2
Q

What is the most common skull type?

A

Mesaticephalic

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3
Q

Describe mesaticephalic skulls

A

Head shape of medium proportions

In breeds such as labs, poodles, and beagles

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4
Q

Describe brachycephalic skulls

A

Short, wide head
May have crowded/rotated premolar teeth
In breeds such as pugs, bulldogs, and persian cats

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5
Q

Describe dolichocephalic skulls

A

Long, narrow head type
In breeds such as sighthounds and collies
Malocclusions are common in caudal mouth

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6
Q

What are the tooth types?

A

Homodont

Heterodont

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7
Q

What are the types of tooth development?

A

Monophyodont
Polyphyodont
Diphyodont

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8
Q

What are the crown types?

A

Brachydont

Hypsodont

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9
Q

What species have the brachydont crown type?

A

Dogs
Cats
Primates

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10
Q

Describe brachydont crown type

A

Shorter crow:root ratio

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11
Q

What species have the hypsodont crown type?

A

Horse

Cow

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12
Q

Describe hypsodont crown type

A

Submerged, longer anatomical or reserved crown and comparatively short roots

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13
Q

What are diphyodont teeth?

A

There are 2 sets of teeth

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14
Q

What are heterodont teeth?

A

Different sizes and shapes

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15
Q

What are brachydont teeth?

A

Don’t continually erupt

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16
Q

Describe the 4th premolar

A

A 3-rooted tooth

Often referred to as the carnassial tooth

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17
Q

How many molars are there behind the 4th premolar?

A

2

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18
Q

What runs through the dental arch?

A

Palatine artery

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19
Q

What is the 2nd premolar on the mandible used as a landmark for?

A

Deadening the nerve at that point to do some work at the rostral end of the mouth

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20
Q

What is the canine deciduous dental formula?

A

I 3/3
C 1/1
PM 3/3
All multiplied by 2 is 28 teeth

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21
Q

What is the canine permanent dental formula?

A 
I 3/3
C 1/1
PM 4/4
M 2/3
All multiplied by 2 is 42 teeth
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22
Q

What is the root structure of incisors, canines, and PM1 of an adult dog?

A

1

23
Q

What is the root structure for maxillary PM2 and 3 of an adult dog?

A

2

24
Q

What is the root structure of maxillary PM4 of an adult dog?

A

3

25
Q

What is the root structure of maxillary M1 and 2 of an adult dog?

A

3

26
Q

What is the root structure of mandibular PM2, 3, and 4 of an adult dog?

A

2

27
Q

What is the root structure of mandibular M1 and 2 of an adult dog?

A

2

28
Q

What is the root structure of mandibular M3 of an adult dog?

A

1

29
Q

What is the feline deciduous dental formula?

A

I 3/3
C 1/1
PM 3/2
All multiplied by 2 is 26 teeth

30
Q

What is the feline permanent dental formula?

A 
I 3/3
C 1/1
PM 3/2
M 1/1
All multiplied by 2 is 30 teeth
31
Q

What premolars do cats not have?

A

First on top

First or second on the bottom

32
Q

What is the root structure of incisors and canines of an adult cat?

A

1

33
Q

What is the root structure of maxillary PM2 of an adult cat?

A

1

34
Q

What is the root structure of maxillary PM3 of an adult cat?

A

2

35
Q

What is the root structure of maxillary PM4 of an adult cat?

A

3

36
Q

What is the root structure of maxillary M1 of an adult cat?

A

2

37
Q

What is the root structure of mandibular PM3 and 4 of an adult cat?

A

2

38
Q

What is the root structure of mandibular M1 of an adult cat?

A

2

39
Q

What is the equine deciduous dental formulas?

A

I 3/3
C 0-1/0-1
PM 3/3

40
Q

What is the equine permanent dental formula?

A 
I 3/3
C 0-1/0-1
PM 3(4)/3(4)
M 3/3
All multiplied by 2 is 40-44 teeth
41
Q

What is the cattle/small ruminant deciduous dental formula?

A

I 0/4
PM 3/3
All multiplied by 2 is 20 teeth

42
Q

What is the cattle/small ruminant permanent dental formula?

A

I 0/4
PM 3/3
M 3/3
All multiplied by 2 is 32

43
Q

What is the swine deciduous dental formula?

A

I 3/3
C 1/1
PM 3/3
All multiplied by 2 is 28 teeth

44
Q

What is the swine permanent dental formula?

A 
I 3/3
C 1/1
PM 4/4
M 3/3
All multiplied by 2 is 44 teeth
45
Q

What is occlusion?

A

Relationship of the mandibular and maxillary teeth when closed or during excursive movements of the mandible

46
Q

What is the hardest substance in the body?

A

Enamel

47
Q

What is enamel made of?

A

96% inorganic hydroxyapatite crystals, magnesium

48
Q

What is enamel formed by?

A

Ameloblasts

49
Q

What is cementum?

A

The outer covering of the root

50
Q

What is cementum produced by?

A

Cementoblasts

51
Q

What constitutes the bulk of the tooth?

A

Dentin

52
Q

What is dentin formed by?

A

Odontoblasts

53
Q

What is the periodontal ligament?

A

The attachment apparatus of the tooth

Anatomy (19 decks)

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