Canines Flashcards

1
Q

When do maxillary canines erupt?

A

19 months

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2
Q

When do mandibular canines erupt?

A

20 months

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3
Q

Purpose of canines:

A

tear, pierce, and hold food

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4
Q

What teeth have the longest and thickest roots in the mouth?

A

canines

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5
Q

What are the numbers are of the 2 maxillary canines?

A

6 and 11

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6
Q

When do the permanent maxillary canines erupt?

A

11-12 years

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7
Q

How many lobes form the maxillary canines?

A

4
-3 labial
-1 lingual

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8
Q

What are the names of the 3 labial lobes that form the maxillary canines?

A

mesial, distal, and middle

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9
Q

Which lobe of the maxillary canine shows the greatest development?

A

middle labial lobe

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10
Q

Which cusp arm is longer of the maxillary canine?

A

distal cusp arm

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11
Q

How much of the crown height of the maxillary canines is the cusp tip?

A

1/3

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12
Q

Where is the mesial contact of the maxillary canine?

A

junction of the middle and incisal 1/3

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13
Q

Where is the distal contact of the maxillary canine?

A

middle 1/3

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14
Q

Where is there a concavity on the maxillary canine?

A

distal side near the cervical line

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15
Q

What causes the shallow depressions on the facial aspect of the maxillary canine?

A

where the 3 labial lobes join
(MF and DF depressions)

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16
Q

What forms the facial ridge of the maxillary canine?

A

middle labial lobe

17
Q

How many roots do maxillary canines have?

A

1

18
Q

What are the features on the lingual side of the maxillary canines?

A

distinct mesial and distal grooves and prominent cingulum

19
Q

What is the shape of the maxillary canine from the mesial view?

A

triangle

20
Q

Where is the labial height of contour of the maxillary incisor?

A

cervical 1/3

21
Q

Where is the lingual height of contour of the maxillary incisor?

A

cervical 1/3

22
Q

Are there developmental depressions on the roots of maxillary canines?

A

yes, distal and mesial ones
-distal ones are bigger

23
Q

What are the numbers of the mandibular canines?

A

27 and 22

24
Q

When do permanent mandibular canines erupt?

A

9-10 years (before maxillary canine)

25
Q

How much of the crown does the cusp height account for in the mandibular canine?

A

1/5 of height of crown

26
Q

Which cusp arm is shorter of the mandibular canine?

A

mesial cusp arm

27
Q

Where is the mesial contact of the mandibular canine?

A

incisal 1/3

28
Q

Where is the distal contact of the mandibular canine?

A

middle 1/3

29
Q

What direction does the root of mandibular incisors usually curve?

A

mesial

30
Q

Where are the labial and lingual heights of contour?

A

cervical 1/3

31
Q

Where is the cusp tip compared to a line bisecting the root?

A

lingually

32
Q

How many roots on the mandibular canine?

A

1

33
Q

What anterior tooth is the most likely to have a bifurcated root?

A

mandibular canine

34
Q
A