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Dental Morph > maxillary and mandibular canines > Flashcards

maxillary and mandibular canines Flashcards

1
Q

general characteristics of canines

A
  • single pointed cusp
  • designed to tear, piece, and hold food
  • teeth form cornerstone of the arch
  • important teeth from an esthetic and functional aspect
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2
Q

canines have the _____ and ______ roots (faciolinguall) of all teeth

A

longest and thickest
NOTE - very stable, usually last remaining teeth in an arch

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3
Q

what is the prominent ridge of bone on the labial aspect?

A

canine eminence

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4
Q

canines help to support facial ________

A

musculature

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5
Q

canines are described as guided teeth meaning that the maxillary canine slides along lingual surface of the maxillary canine and guides the _______

A

mandible

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6
Q

the long roots of canines make them good anchors for ______

A

prostheses
- fixed partial denture (bridges)
- dentures

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7
Q

at what age do maxillary dentures typically erupt?

A

11-12 years of age

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8
Q

how many lobes do maxillary canines develop from?

A

4 lobes
- 3 labial lobes : mesial, middle, distal
- 1 lingual lobe : develops into cingulum
NOTE - middle labial lobe shows greatest development

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9
Q

what is defined as an elevation on the crown of a tooth?

A

cusp

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10
Q

what are the 4 ridges that make up a cusp?

A
  • mesial cusp ridge
  • distal cusp ridge
  • facial cusp ridge
  • lingual cusp ridge
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11
Q

what are the 5 sides that makeup the outline of a maxillary canine?

A
  1. mesial part above the contact
  2. distal part above the contact
  3. cervical line
  4. mesial cusp arm
  5. distal cusp arm
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12
Q

what is the geometric form of a maxillary canine?

A

trapezoidal
NOTE - cusp tip is not included in geometric form

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13
Q

what is the cusp tip of a maxillary canine in line with?

A

center of the root
NOTE - incisal margin is 1/3 total crown height

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14
Q

what is the length relationship between mesial and distal cusp ridge on a maxillary canine?

A

mesial cusp ridge is shorter and less sloped than the distal cusp ridge

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15
Q

the cervical line of a maxillary canine curves _____

A

apically

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16
Q

where is the mesial contact located for a maxillary canine?

A

at the junction of the middle and incisal 1/3’s
NOTE - mesial profile is slightly convex, can be slightly concave cervical to contact area

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17
Q

where is the distal contact located for a maxillary canine?

A

in the middle 1/3
NOTE - distal profile os more convex

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18
Q

where does the prominent facial ridge develop from for a maxillary canine?

A

develops from middle labial lobe

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19
Q

when viewed lingually, the root of a maxillary canine has a _____ CEJ curvature than on labial

20
Q

a maxillary canine has distinct mesial and distal _____ ridges

21
Q

what is the term for the ridge from cusp tip that blends into an incisal portion of cingulum (maxillary canine)?

A

lingual ridge

22
Q

what are the areas between the lingual and amrginal ridges of a maxillary canine called?

A

mesiolingual and distolingual fossa

23
Q

for a maxillary canine, ______ _______ are present on the mesial and distal aspect

A

developmental depressions

24
Q

a maxillary canine is extremely wide _______ in cervical third of both ______ and ______

A
  • faciolingually
  • crown and root
25
where does the cusp tip lay in relation to a line bisection the root (maxillary canine)?
cusp tip is labial to line bisecting root - NOTE - incisal edges of maxillary incisors lay on this line
26
where is the labial height of contour located on a maxillary canine?
cervical 1/3
27
where is the lingual height of contour located on a maxillary canine?
cervical 1/3
28
the cervical line on a maxillary canine when viewed from the mesial side is curved towards the _______
incisal edge
29
the root of a maxillary canine is very broad _______ from cervical line to 1/2-2/3 length
labiolingually
30
the developmental depression on the root of a maxillary canine is ______ pronounced
more pronounced
31
maxillary canine incisal view notes
- labiolingual dimension > mesiodistal dimension - mesial and distal contact areas centered faciolingually - mesial half of facial profile is convex, distal half is flatted or concave - prominent facial ridge
32
what is the longest tooth in the mouth?
maxillary canine
33
what is the broadest (faciolingually) single rooted tooth?
maxillary canine
34
how many pulp horns does a maxillary canine have?
1 pulp horn
35
at what age do mandibular canines erupt?
9-10 years of age (before maxillary canine)
36
how many lobes does a mandibular canine develop from?
4 lobes - 3 labial lobes : middle labial lobe (best developed), forming the cusp - 1 lingual lobe : develops into cingulum
37
a mandibular canine is ______ mesiodistally than a maxillary canine
narrower
38
the cusp height of a mandibular canine is approximately ______ height of crown
1/5 NOTE - 1/3 in maxillary canine
39
the crown of a mandibular canine is as ______ or ______ incisogingivally compared to a maxillary canine
long or longer
40
in a mandibular canine, the mesial cusp arm is ______ than the distal cusp arm
shorter
41
the mesial contact of a mandibular canine is in the _______
incisal 1/3
42
the distal contact of a mandibular canine is in the _______
middle 1/3
43
root curvature (if present) is often to the ______ for a mandibular canine
mesial
44
compared to the maxillary canine, the mandibular canine has _______ developed : - cingulum - mesial and distal marginal ridges - mesiolingual and distolingual fossa
less developed
45
the heights of contour for a mandibular canine are both in the _______
cervical 1/3
46
the cusp tip of a mandibular canine lays where in relation to a line bisecting the root?
lingual to line
47
what tooth is the most likely anterior tooth to have a bifurcated root?
mandibular canine

Dental Morph (8 decks)

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