Dental Flashcards

1
Q

What are the dental quadrants?

A

1-4 starting with top right and ending with bottom right

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2
Q

What is the rule of 4s and 9s?

A

The canine is always the 400 and the first molar is always the 900

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3
Q

What is the upper arcade formula for canines?

A

3, 1, 4, 2

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4
Q

What is the lower arcade formula for canines?

A

3, 1, 4, 3

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5
Q

What is the upper arcade formula for felines?

A

3, 1, 3, 1

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6
Q

What is the lower arcade formula for canines?

A

3, 1, 2, 1

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7
Q

What numbers do cats not have on the upper arcade

A

105 and 205

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8
Q

What numbers do cats not have on the lower arcade?

A

305, 306, 405, 406

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9
Q

What is the directional term toward the median line?

A

Mesial

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10
Q

What is the directional term away from the median line?

A

Distal

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11
Q

What are the front of the canines and incisors directionally referred to as?

A

Labial

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12
Q

What are the lateral sides of the teeth directionally referred to as?

A

Buccal

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13
Q

What are the upper arcade medial side directional referred to as?

A

Palatal

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14
Q

What are the lower arcade medial teeth directionally referred to as?

A

Lingual

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15
Q

What is type 0 periodontal score?

A

Normal

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16
Q

What is type I periodontal disease?

A

Malocclusion of a single or individual teeth

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17
Q

What is type II periodontal disease?

A

Overbite

18
Q

What is type III periodontal disease?

A

Underbit

19
Q

What is type IV periodontal disease?

A

Wry bite, all over

20
Q

What are the layers of the crown called?

A

Enamel, dentin, pulp chamber

21
Q

What are the layers of the root called?

A

Cementum, Pulp chamber

22
Q

What is the junction between the enamel and the cementum called?

A

Cementoenamel junction

23
Q

What surrounds the root of the tooth?

A

Periodontal ligament

24
Q

What is the normal space between the tooth and the gingiva?

A

The gingival sulcus (normal depth ~1-3mm in dogs and ~0.5-1mm in cats)

25
Q

What is the defining factor in stage II periodontal disease?

A

Up to 25% periodontal support loss

26
Q

What is the defining factor of type III periodontal disease?

A

25-50% loss of periodontal support

27
Q

What are the aging factors of horses?

A

Eruption dates of permanent lower incisors
Teeth in wear
Angle of upper and lower arcade

28
Q

What is the most reliable way to age a horse?

A

Eruption of LOWER INCISORS

29
Q

What is the dental formulae for horses?

A

3 - I
1 - C
3 - P (not including Wolf)
3 - M

30
Q

Which tooth is the first upper premolar?

A

Wolf tooth

31
Q

What type of teeth do horses have related to growth?

A

Hypsodont teeth (grow continually)

32
Q

What are the dental terminology for teeth and what do they mean age wise?

A

In wear - labial cusp exposed - 6 month
Level - both cusps in wear
Cup Gone - no space
Enamel spot - bottom of cup
Dental star - remodeled dentine

33
Q

What is the groove on upper I3 called?

A

Galvayne’s groove

34
Q

What does the galvayne groove show?

A

At gumline = 10 years
Midway = 15 years
Occlusal surface = 20 years

35
Q

What are the eruption dates of the incisors?

A

I1 - 2 1/2 years
I2 - 3 1/2 years
I3 - 4 1/2 years

36
Q

What are the eruption dates of the premolars?

A

P1 - 1/2 year (wolf tooth)
P2 - 2 1/2 years
P3 - 3 years
P4 - 4 years

37
Q

What are the eruption dates of molars?

A

M1 - 1 year
M2 - 2 years
M3 - 3 years

38
Q

What are the cup gone phases of horses?

A

I1 - 6 years
I2 - 7 years
I3 - 8 years

39
Q

What is the 7 year hook?

A

A projection of the tooth from I3 at 7 years

40
Q

What is the progression of the 7 year hook?

A

7 years - hook present
9 years - gone
11 years - hook back

41
Q

What is the progression of tooth shape change in horses?

A

Oval > Round > Triangular > Rectangle

42
Q

What is the progression of shape change with dates for I1, I2?

A

Oval (erupts)
Round (9 years), (10 years)
Triangular (16 years), (17 years)
Rectangular (18 years), (19 years)