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Dental Hygiene: Anatomy > Maxillary Canines > Flashcards

Maxillary Canines Flashcards

1
Q

Canines=_______=________.

A

cuspids; eye teeth (slang)

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2
Q

Canines can sometimes be referred to as “______________”.

A

the cornerstones of the mouth

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3
Q

Which teeth are the longest in the permanent dentition?

A

canines *anchored by their long roots
mx canines are usually longer than mn

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4
Q

Canine eminence

A

thick labial bony plate

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5
Q

Canines are the most stable teeth in the mouth because of ….

A

-self cleaning qualities
-smooth pointed shape
-thick crown
-strong anchorage (long roots)

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6
Q

What is the canine form from the facial and the proximal?

A

facial- pentagonal
proximal- triangular

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7
Q

List the functions of permanent canines

A

-holding, tearing, grasping
-cut pierce or shear food
-supports muscles of lips and cheeks
-protect (separate) posterior teeth during mandibular movements (called canine guidance)

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8
Q

List the clinical significances of permanent canines

A

-good abutment tooth (for implants)
-forms facial image
-guidepost (canine guidance)
-often last tooth to be lost to periodontal disease

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9
Q

When do the mx canines…
calcify
erupt
root complete

A

calcify- 4months
erupt- 11-12yrs old
root completion- 13-15yrs old

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10
Q

Where is the height of contour for mx canines?

A

cervical 1/3rd

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11
Q

Which incisal cusp ridge of mx canines is shorter- mesial or distal

A

mesial

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12
Q

FACIAL VIEW: where is the mesial contact area?

A

junction of incisal and middle 1/3rd

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13
Q

FACIAL VIEW: where is the distal contact area?

A

middle 1/3rd

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14
Q

FACIAL VIEW: compared to mx central incisors, mx canines crown and root are ________ mesiodistally.

A

narrower

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15
Q

FACIAL VIEW: the cervical line crests slightly ______ to the center of the tooth.

A

mesial

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16
Q

FACIAL VIEW: describe the mesial outline

A

straighter with a slight convexity at the contact area

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17
Q

FACIAL VIEW: describe the distal outline

A

rounded, shorter than mesial, concave from the contact to the cervical line

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18
Q

FACIAL VIEW: describe the distal bulge

A

convex tooth structure, extends beyond the root outline

19
Q

FACIAL VIEW: are imbrication lines usually present?

A

yes; in the cervical 1/3rd of the crown

20
Q

LINGUAL VIEW: the lingual sides of the crown are _________ than the labial/facial.

A

narrower

21
Q

LINGUAL VIEW: which surface shows more curvature of the cervical line, lingual or labial/facial?

A

lingual

22
Q

LINGUAL VIEW: which tooth has the largest cingulum of all anterior teeth?

A

maxillary canines

23
Q

LINGUAL VIEW: describe the lingual ridge

A

well developed
runs from cusp tip to cingulum

24
Q

LINGUAL VIEW: describe the marginal ridges

A

bulky
MMR- longer than distal
DMR- more prominent

25
Q

LINGUAL VIEW: the mesial and distal fossa are on the side of the ________ ridge.

A

lingual

26
Q

MESIAL/DISTAL VIEW: on the mesial surface, the cusp tip is slightly _____ to the root bisector

A

facial

27
Q

MESIAL/DISTAL VIEW: on the mesial, the cervical line curves toward the….

A

cusp

28
Q

MESIAL/DISTAL VIEW: the CEJ has more curvature on which surface, mesial or distal?

A

mesial

29
Q

MESIAL/DISTAL VIEW: which marginal ridge is heavier on the distal rather than mesial view, MMR or DMR

A

DMR

30
Q

INCISAL VIEW: which tooth is the widest labiolingually

A

mx canines

31
Q

INCISAL VIEW: which half is thinner, mesial or distal

A

distal *thinner labiolingually, but wider mesiodistally

32
Q

INCISAL VIEW: which half is more convex, mesial or distal

A

mesial

33
Q

INCISAL VIEW: describe the “distal ear”

A

slight concavity on the facial surface of the distal half that stretches to reach the premolars

34
Q

INCISAL VIEW: wear facets are seen on which surface

A

lingual *diamond shaped pattern often found on cusp

35
Q

INCISAL VIEW: which contour is more curved, lingual or labial/facial

A

lingual *more of the lingual surface is visible from incisal view

36
Q

INCISAL VIEW: the cusp tip is _______ to the center labiolingually, and is _________ to the center mesiodistally.

A

labial; mesial

37
Q

Describe the root of mx canines

A

single, conical, apex is pointed/sharp

38
Q

The apex portion of mx canine roots usually points….

A

distally

39
Q

From the proximal view, a ____________ may be present on mx canines

A

longitudinal groove

40
Q

The root of mx canines are wider _______ than _______.

A

faciolingually; mesiodistally

41
Q

Describe the cross sectional view of mx canines

A

tapers from the labial toward the lingual

42
Q

The developmental depression seen on the mesial/distal view of mx canines is more pronounced on the….

A

distal

43
Q

How many root canals and pulp horns do mx canines have

A

1 root canal
1 pulp horn extending to cusp tip

Dental Hygiene: Anatomy (23 decks)

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