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Dental Morphology > Canines > Flashcards

Canines Flashcards

1
Q

Canines can also be called:

A

Cuspids or eye teeth

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2
Q

Canines contain a single pointed ____

A

Cusp

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3
Q

Canines are designed to:

A

Tear, pierce and hold food

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4
Q

Canines form the ____ of the arch

A

Cornerstone

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5
Q

Canines are very important teeth from a _____ aspect. (2)

A

Esthetic and functional

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6
Q

Canines have the ____ & _____ roots (faciolingually) of all the teeth

A

Longest and thickest

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7
Q

Canines are considered to be very ______ and are often the _____.

A

Stable; last remaining teeth in arch

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8
Q

Prominent ridge of bone on the labial aspect:

A

Canine eminence

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9
Q

Canines help support:

A

Facial musculature

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10
Q

Loss of canine teeth changes the:

A

Shape of face in area

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11
Q

Canines are considered ______ teeth.

A

Guiding

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12
Q

Mandibular canines slide along the _______ of the maxillary canine and guides the _____.

A

Lingual surface; mandible

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13
Q

Canines have long roots that make them good anchors or support for _____.

A

Prostheses

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14
Q

Number for right maxillary canine

A

6

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15
Q

Number for left maxillary canine

A

11

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16
Q

Permanent maxillary canines erupt at:

A

11-12 years of age

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17
Q

The maxillary canines develop from ____ lobes.

A

4 lobes

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18
Q

What are the two categories of lobes that the maxillary canine develops from

A

3 labial & 1 lingual

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19
Q

What are the names of the 3 labial lobes of the maxillary canine? What about the lingual lobe?

A

Mesial, middle, & distal

Lingual

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20
Q

The lingual lobe of the maxillary canine develops into:

A

Cingulum

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21
Q

Which lobe shows the greatest development in the maxillary canine?

A

Middle labial lobe

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22
Q

Compare the size of the maxillary and mandibular canines

A

Maxillary is larger

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23
Q

Label:

A

Facial
Lingual
Incisal
Mesial
Distal

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24
Q

Elevation on the crown of a tooth:

A

Cusp

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25
Q

The maxillary canines is made up of 4 ridges, these are:

A

Mesial cusp ridge
Distal cusp ridge
Fascia cusp ridge
Lingual cusp ridge

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26
Q

Label

A

Red: facial cusp ridge
Blue: mesial cusp ridge
Green: lingual cusp ridge
Purple: distal cusp ridge
Yellow: cusp tip

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27
Q

In the maxillary canine, compare the distal cusp ridge to the mesial cusp ridge:

A

Distal cusp ridge is longer (distal cusp arm)

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28
Q

On a maxillary canine, from a facial view, the outline resembles:

A

5 sided figure

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29
Q

What makes up the fives sides of the outline of the maxillary canine?

A
  1. Mesial part above contact
  2. Distal part above contact
  3. Cervical line
  4. Mesial cusp arm
  5. Distal cusp arm
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30
Q

The outline of the maxillary canine is _____, while the geometric form of the maxillary canine is ____.

A

Pentagon; trapezoidal

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31
Q

Why does the geometric form differ from the outline of the maxillary canine from a facial view?

A

Because the cusp tip is not included in the geometric form

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32
Q

Label

A
  1. Cervical line
  2. Mesial part above contact
  3. Mesial cusp arm
  4. Distal cusp arm
  5. Distal part above contact
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33
Q

From a facial view of a maxillary canine, the cusp tip is in line with:

A

The center of the root

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34
Q

From a facial view of a maxillary canine, the incisal margin makes up:

A

1/3 total crown height

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35
Q

From a facial view of a maxillary canine , the mesial cusp ridge is _____ and ____ than the distal cusp ridge

A

Short, and less sloped

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36
Q

From a facial view of a maxillary canine , the ______ angle is more incisal than the ______ angle.

A

Mesioincisal angle; distoincisal angle

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37
Q

From a facial view of a maxillary canine, the cervical line curves:

A

Apically

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38
Q

From a facial view of a maxillary canine, where is the mesial contact located?

A

Junction of middle and incisal 1/3s

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39
Q

From a facial view of a maxillary canine, the mesial profile is slightly ____, but can be slightly _____ to the contact area.

A

Convex; concave cervical

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40
Q

From a facial view of a maxillary canine, the distal contact is in the:

A

Middle 1/3

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41
Q

From a facial view of a maxillary canine, the distal profile is more ______ compared to the mesial profile

A

Convex

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42
Q

From a facial view of a maxillary canine :
Why is the distal profile more convex than the mesial profile?

A

Due to a more rounded distoincisal angle

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43
Q

From a facial view of a maxillary canine, the distal outline is _____ from contact to the cervical line

A

Concave

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44
Q

From a facial view of a maxillary canine, the distal outline is concave from the _____ to the _____.

A

Contact to the cervical line

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45
Q

From a facial view of a maxillary canine, shallow depressions are present where the:

A

3 labial lobes join

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46
Q

From a facial view of a maxillary canine, the shallow depressions where the 3 labial lobes join are called:

A

MF and DF depression

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47
Q

From a facial view of a maxillary canine, what anatomical feature is relatively prominent?

A

Facial ridge

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48
Q

From a facial view of a maxillary canine, the facial ridge develops from the:

A

Middle labial lobe

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49
Q

Label:

A

Red- facial ridge
Blue- MF and DF depressions

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50
Q

From a facial view of a maxillary canine, the mesial to facial ridge is:

A

Convex

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51
Q

From a facial view of a maxillary canine, the distal to facial ridge:

A

Has tendency to form concavity in the cervical 1/3

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52
Q

What view allows you to see the slight concavity formed by the distal to facial ridge?

A

Incisal view

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53
Q

Facially, the root of the maxillary canine is what shape?

A

Conical

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54
Q

Facially, the root of the maxillary canine is _____ & ______ MD

A

Long and narrow

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55
Q

Facially, describe the root of the maxillary canines apex:

A

Bluntly pointed

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56
Q

From a facial aspect of a maxillary canine, the apex of the root curves in the:

A

Apical 1/3

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57
Q

In the maxillary canine, the apex curves in the apical 1/3:

A

Mesially or distally

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58
Q

Facially on the maxillary canine, the root is _____ on the labial aspect

A

Convex

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59
Q

From a lingual view of the maxillary canine, the crown and root are narrower _______.

A

Lingually

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60
Q

From a lingual view of the maxillary canine, the CEJ has ______ curvature than on the labial

A

Greater

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61
Q

From a lingual view of the maxillary canine, what distinct anatomical features are present?

A
  1. Mesial and distal marginal ridges
  2. ML an DL fossa
  3. Lingual ridge
  4. Cingulum
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62
Q

From a lingual view of the maxillary canine, the ridge from the cusp tip that blends into the incisal portion of the cingulum is called:

A

Lingual ridge

63
Q

From a lingual view of the maxillary canine, the lingual ridge blends into what portion of the tooth?

A

Incisal portion of cingulum

64
Q

From a lingual view of the maxillary canine, between the lingual and marginal ridges are:

A

ML and DL fossa

65
Q

Label

A

A- mesial marginal ridge
B- ML fossa
C- Lingual ridge
D- DL fossa
E- Cingulum

66
Q

From a lingual view of a maxillary canine, the root is ____ when compared to the facial.

A

Narrower

67
Q

From a lingual view of a maxillary canines root, the root appears:

A

Smooth and convex

68
Q

From a lingual view of the maxillary canines root, the _____ & ______ aspect of the root are visible due to narrowing.

A

Mesial and distal aspect

69
Q

From a lingual view of the maxillary canines root, the ________ present on the mesial and distal aspects are visible.

A

Developmental depressions

70
Q

From a mesial view of the maxillary canine, the outline takes on the shape of:

A

Triangle or wedge

71
Q

From a mesial view of the maxillary canine, faciolingually, the crown & root are:

A

Extremely wide in cervical 1/3

72
Q

From a mesial view of the maxillary canine, the cusp tip is ____ to the line bisecting the root.

A

Labial

73
Q

From a mesial view of the maxillary canine, the labial outline is:

A

Slightly convex

74
Q

From a mesial view of the maxillary canine, the labial height of contour is in the:

A

Cervical 1/3

75
Q

From a mesial view of the maxillary canine, the lingual outline is ______ in the cingulum area and ___ in the incisal portion.

A

Convex in cingulum area

Concave in incisal portion

76
Q

From a mesial view of the maxillary canine, the cervical line curves toward:

A

The incisal edge

77
Q

From a mesial view of the maxillary canine, the root is what shape:

A

Conical

78
Q

From a mesial view of the maxillary canine root, it is _____ from the cervical line to 1/2-2/3 its root length

A

Very broad labiolingually

79
Q

From the mesial view of the maxillary canines root, what is present?

A

Mesial developmental depression

80
Q

From a mesial view of the maxillary canine root, the apex is:

A

Tapered

81
Q

From a distal view of the maxillary canine, is similar to the mesial aspect except the _____ between the contact and cervical line.

A

Definite concavity

82
Q

From a distal view of the maxillary canine is similar to the mesial view, except the cervical line:

A

Is flatter but curves toward incisal edge

83
Q

From a distal view of the maxillary canine, the distal marginal ridge is ____ and _____ in outline than in the mesial aspect.

A

Heavier and more irregular in outline

84
Q

From a distal view of the maxillary canine, the developmental depression on the root is ______ than on the mesial aspect

A

More pronounced

85
Q

From an incisal view of the maxillary canine, compare the labiolingual and mesiodistal dimension:

A

Labiolingual dimension > mesiodistal dimension

86
Q

From an incisal view of the maxillary canine, the mesial and distal contact areas are:

A

Centered faciolingually

87
Q

From an incisal view of the maxillary canine, the cusp tip is:

A

Labial to center of crown

88
Q

From an incisal view of the maxillary canine, the mesial half of the facial profile is _____ while the distal half is ____ or _____.

A

Convex; flattened or concave

89
Q

From an incisal view of the maxillary canine, what is prominent facially?

A

Prominent facial ridge

90
Q

From an incisal view of the maxillary canine, what is prominent? (4)

A
  1. Prominent facial ridge
  2. Prominent lingual ridge
  3. DL fossa
  4. ML fossa
91
Q

Label D and M:

A

Left- distal
Right- mesial

92
Q

The maxillary canine is the ____ tooth in the arch.

A

Longest

93
Q

The maxillary is the ______ single rooted tooth!

A

Broadest FL

94
Q

Describe the root shape in cross section of the maxillary canine:

A

Oval in cervical and middle 1/3s, but rounded in apical 1/3

95
Q

Describe the shape of the pulp canal in the maxillary canine:

A

Oval in cervical and middle 1/3s, and round in the apical 1/3

96
Q

What are present on the mesial and distal sides of the root in the maxillary canine?

A

Mesial and distal root concavities

97
Q

On the root of the maxillary canine, what root concavity is more pronounced?

A

Distal

98
Q

How many pulp horns are present in the single root of the maxillary canine?

A

1 pulp horn

99
Q

On the root of the maxillary canine, it is ______ MD, and ____ FL

A

Narrow MD; Wide FL

100
Q

Number of right mandibular canine:

A

27

101
Q

Number of left mandibular canine:

A

22

102
Q

The mandibular canines erupt at:

A

9-10 years (before maxillary canine)

103
Q

The mandibular canine develops from:

A

4 lobes

104
Q

What 4 lobes does the mandibular canines develop from?

A

3 labial & 1 lingual lobe

105
Q

What labial lobe is the best developed in the mandibular canine?

A

Middle labial lobe

106
Q

What labial lobe of the mandibular canine forms the cusp?

A

Middle labial lobe

107
Q

What lobe of the mandibular canine forms the cingulum?

A

Lingual lobe

108
Q

Label:

A

Facial
Lingual
Incisal
Mesial
Distal

109
Q

How many cusps does the mandibular canine have?

A

Single cusp

110
Q

The mandibular canine is narrower ____ than the maxillary canine:

A

MD

111
Q

In the mandibular canine, describe the cingulum in comparison to the maxillary canine:

A

Not as well developed cingulum in mandibular

112
Q

Describe the mesial and distal marginal ridges in the mandibular canine when compared to the M and D marginal ridges of the maxillary canine:

A

Mandibular mesial and distal marginal ridges are not as prominent

113
Q

In the mandibular canine, the cusp height is approximately _____ of crown height vs, the ______ of crown height in the maxillary canine

A

1/5 mandibular

1/3 maxillary

114
Q

In the mandibular canine from a facial view, the crown is narrower _______ as compared to the maxillary canine

A

MD

115
Q

From a facial view of the mandibular canine, when compared to the maxillary canine, the mandibular canine crown is ______ IG.

A

As long or longer

116
Q

The crown of the mandibular canine from a facial view is as long or longer _______ compared to the maxillary canine.

A

Incisogingivally

117
Q

In both the maxillary and mandibular canines, the ___ cusp arm is longer.

A

Distal

118
Q

From a facial view of the mandibular canine, the mesial cusp area is ____ than the distal cusp arm

A

Shorter

119
Q

In the mandibular canine from a facial view, the mesial outline is _____ and un line wiht the mesial outline of the _____.

A

Straight; root

120
Q

In the mandibular canine from a facial view, the mesial contact is in the:

A

Incisal 1/3

121
Q

In the mandibular canine from a facial view, the distal outline is ____ and overhangs the _____ .

A

Convex and overhangs the root

122
Q

In the mandibular canine from a facial view, the crown appear bent ____.

A

Distally on root

123
Q

In the mandibular canine from a facial view , the distal contact is in the:

A

Middle 1/3

124
Q

In the mandibular canine from a facial view, compare the root to the maxillary canine.

A

Root is shorter in the mandibular by 1-2 mm

125
Q

In the mandibular canine from a lingual view, the lingual surface is relatively:

A

Flat and smooth

126
Q

In the mandibular canine from a lingual view, describe the cingulum:

A

Poorly developed

127
Q

In the mandibular canine from a lingual view, describe the mesial and distal marginal ridges:

A

Less developed than maxillary

128
Q

In the mandibular canine from a lingual view, describe the ML and DL fossa:

A

Less developed than maxillary

129
Q

When comparing the lingual view of the mandibular canine to the lingual view of the maxillary canine, the lingual view of the mandibular canine has what 3 aspects:

A

-poorly developed cingulum
- less developed mesial and distal marginal ridges
- less developed ML and DL fossa

130
Q

In the mandibular canine from a lingual view, the crown narrows _______ and th root narrows _____.

A

Lingually; lingually

131
Q

In the mandibular canine from a mesial view: the cervical 1/3 is _____ when compared to a maxillary canine

A

Narrower

132
Q

In the mandibular canine from a mesial view: the incisal portion is ______ when compared to a maxillary canine

A

Thinner

133
Q

In the mandibular canine from a mesial view, the labial is _____ than the maxillary canine

A

Less curved

134
Q

In the mandibular canine from a mesial view, the labial and lingual heights of country are in the:

A

Cervical 1/3

135
Q

In the mandibular canine from a mesial view, the lingual outline is more _____.

A

Concave

136
Q

In the mandibular canine from a mesial view, the lingual outline is more concave due to:

A

Less prominent cingulum

137
Q

In the mandibular canine from a mesial view, what is prominent on the root?

A

Mesial developmental depression

138
Q

In the mandibular canine from a mesial view, the cusp tip is _____ to the line bisecting the root

A

Lingual

139
Q

In the mandibular canine from a distal view, compared to the mesial view, describe the CEJ:

A

Curvature of CEF is not as steep

140
Q

In the mandibular canine from a distal view, when compared to the mesial view, the developmental depression is:

A

More pronounced (on distal)

141
Q

In the mandibular canine from an incisal view, the labial outline is _______ than in the maxillary canine.

A

Less convex

142
Q

In the mandibular canine from an incisal view, what ridge is less developed than in a maxillary canine?

A

Facial ridge

143
Q

In the mandibular canine from an incisal view what ridges are less developed?

A

Facial, mesial ad distal marginal ridges

144
Q

Label mesial and distal sides

A

Left-mesial
Right-distal

145
Q

From an incisal view of a mandibular canine, the cusp tip:

A

Is slightly lingual

146
Q

From an incisal view of a mandibular canine, the ______ cusp arm is inclined slightly to lingual.

A

Mesial cusp arm

147
Q

From an incisal view of a mandibular canine, the mesial cusp arm is inclined slightly to:

A

Lingual

148
Q

How many roots are present in a mandibular canine?

A

Single root

149
Q

The single root of the mandibular canine is often curved to the:

A

Mesial

150
Q

Both the canal and root of the mandibular canines are wide:

A

Labiolingually

151
Q

In the mandibular canine, ~20% of the time:

A

Two canals are present

152
Q

What anatomical feature is prominent of the root of the mandibular canine?

A

Deep distal developmental depression

153
Q

The mandibular canine is the anterior tooth most likely to:

A

Have a bifurcated root

154
Q

When comparing the maxillary and mandibular canines:

  1. Which has a larger crown?
  2. Which has a marked convergence toward the cervical area?
  3. Which has a greater crown length?
  4. Which has an incisal margin that is 1/3 of crown length?
  5. Which has an incisal margin that is 1/5 of crown height?
  6. Which has less prominent anatomical features?
  7. Which has more prominant anatomical features?
  8. Which has marked asymmetry when viewed from incisal?
  9. Which has a more symmetrical crown?
A
  1. Maxillary
  2. Maxillary
  3. Mandibular
  4. Maxillary
  5. Mandibular
  6. Mandibular
  7. Maxillary
  8. Maxillary
  9. Mandibular

Dental Morphology (11 decks)

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