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Dental Morphology > Canines > Flashcards

Canines Flashcards

1
Q

Canines may also be called: (2)

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 & 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

A

Aesthetic & functional

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6
Q

Canines have the ______ and _____ roots (faciolingually) of all the teeth

A

Longest & thickest

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7
Q

Canines are considered to be very _____ & are often the:

A

Stable
Last remaining teeth

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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:

A

Changes shape of face in this 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 & guides the ____

A

Lingual surface
Mandible

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13
Q

Cannes contain 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:

A

Four 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

The three labial lobes of the maxillary canine:

A

Mesial
Middle
Distal

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20
Q

The lingual lobe of the maxillary canine develops into the:

A

Cingulum

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21
Q

Which lobe of the maxillary canine shows the greatest development

A

Middle labial lobe

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22
Q

Compare the size of the maxillary & mandibular canines:

A

Maxillary is larger

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23
Q

Label the following views of the maxillary canine:

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 canine is made up of four ridges, these are:

A

Mesial cusp ridge
Distal cusp ridge
Facial cusp ridge
Lingual cusp ridge

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26
Q

Label the following anatomy from the incisal view of the maxillary canine

A

Red- facial cusp ridge
Blue- mesial cusp ridge
Green- lingual cusp ridge
Purple- distal cusp ridge
Orange- 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 (arm) is longer

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28
Q

From a facial view of the maxillary canine, the outline resembles:

A

A five sided figure

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29
Q

What makes up the five sides of the facial 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

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 the:

A

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

Shorter & 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, the mesial contact is located:

A

Junction of middle & incisal 1/3

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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 arm is _______ compared to the mesial arm

A

More 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:

A

Contact to cervical line

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45
Q

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

A

Three labial lobes join

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46
Q

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

A

MF & 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

The red represents _____ while the blue represents _____

A

Red- facial ridge
Blue- MF & 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 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

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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 can be described as _____ & ____ MD

A

Long & narrow

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55
Q

From a facial view, describe the apex of the root in a maxillary canine:

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 a maxillary canine, the apex of the root curves in the apical 1/3 in what direction?

A

Mesially or distally

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58
Q

Facially on a maxillary canine, the root is ____ on a labial aspect

A

Convex

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59
Q

From a lingual view of the maxillary canine the crown & root are narrower:

A

Lingually

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60
Q

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

A

Greater

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61
Q

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

A

1- Mesial & distal marginal ridges
2- ML & DL fossa
3- Lingual ridge
4- Cingulum

62
Q

From a lingual view of a 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 a maxillary canine - the lingual ridge blends into what portion of the crown

A

Incisal cingulum

64
Q

From a lingual view of a maxillary canine- between the lingual & marginal ridges are:

A

Mesiolingual & distolingual fossa

65
Q

Label the following anatomical features on the lingual aspect of the maxillary canine:

A

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

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 the maxillary canines root, the root appears:

A

Smooth & convex

68
Q

From a lingual view of a maxillary canine’s root, the _____ & _____ aspect of the root is visible due to narrowing

A

Mesial & distal

69
Q

From a lingual view of a 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 the 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 out is ______ in the cingulum area & _____ 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

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 a mesial view of the maxillary canines root- what is present?

A

Mesial developmental depression

80
Q

From a mesial view of the maxillary canine roots the apex is:

A

Tapered

81
Q

From a distal view of the maxillary canine, the tooth is similar to the mesial aspect except for the ______ between the contact & cervical line

A

Definite concavity

82
Q

From a distal view of the maxillary canine- it is similar to the mesial view however the cervical line is:

A

Flatter but curves toward incisal edge

83
Q

From a distal view of the maxillary canine the distal marginal ridge is _____ & ______ in outline than in the mesial aspect

A

Heavier & more irregular

84
Q

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

A

More pronounced

85
Q

From an incisal view of the maxillary canine- compare the labiolingual & mesiodistal dimensions

A

Labiolingual dimension > mesiodistal dimension

86
Q

From an incisal view of the maxillary canine, the mesial & 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 ______

A

Convex
Flattened or concave

89
Q

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

A

Prominent facial ridge
Prominent lingual ridge
Distolingual fossa
Mesiolingual fossa

90
Q

Label the distal & mesial sides of the maxillary canine from this incisal view:

A

Left- distal
Right- mesial

91
Q

The maxillary canine is the ________ in the arch

A

Longest tooth

92
Q

The maxillary canine is the _____ single rooted tooth

A

Broadest FL

93
Q

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

A

Oval in cervical & middle 1/3s but rounded in apical 1/3

94
Q

Describe the shape of the pulp canal in the maxillary canine

A

Oval in cervical & middle 1/32 but round in the apical 1/3

95
Q

What are present on the mesial & distal sides of the root of a maxillary canine:

A

Mesial & distal root concavities

96
Q

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

A

Distal

97
Q

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

A

One

98
Q

On the root of the maxillary canine, it is _____ MD & _____ FL

A

Narrow
Wide

99
Q

Number of right mandibular canine

A

27

100
Q

Number of left mandibular canine

A

22

101
Q

Mandibular canines erupt at:

A

9-10 year (before maxillary canines)

102
Q

The Mandibular canine develops from:

A

Four lobes

103
Q

What four lobes does the mandibular canine develop from?

A

Three labial, one lingual

104
Q

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

A

Middle labial lobe

105
Q

What labial lobe of the mandibular canine forms the cusp?

A

Middle labial lobe

106
Q

What lobe of the mandibular canine forms the cingulum?

A

Lingual lobe

107
Q

Label the following aspects of the Mandibular canine:

A

Facial, lingual, incisal, mesial, distal

108
Q

How many cusps does the mandibular canine have?

A

Single

109
Q

The mandibular canine is narrower ______ compared than the maxillary canine

A

MD

110
Q

Describe the cingulum of the mandibular canine compared to the maxillary canine

A

Not as well developed

111
Q

Describe the mesial and distal marginal ridges in the mandibular canine compared to the maxillary canine

A

Not as prominent

112
Q

The cusp height of the mandibular canine is approximately ______ the height of the crown

A

1/5 height of crown (in maxillary canine it was 1/3)

113
Q

From a facial view of the mandibular canine, the crown is narrower _______ compared to the maxillary canine

A

MD

114
Q

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

A

As long or longer

115
Q

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

A

Incisogingivally

116
Q

In both the maxillary & mandibular canines, the _____ cusp arm is longer

A

Distal

117
Q

From a facial view of the mandibular canine, the mesial cusp arm is _______ compared to the distal cusp arm

A

Shorter

118
Q

From a facial view of the mandibular canine, the mesial outline is ______ and in line with the mesial outline of the ____

A

Straight
Root

119
Q

From a facial view of the mandibular canine, the mesial contact is in the:

A

Incisal 1/3

120
Q

From a facial view of the mandibular canine, the distal outline is ______ & overhangs the ____

A

Convex
Root

121
Q

From a facial view of the mandibular canine, the crown appears bent _____

A

Distally on the root

122
Q

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

A

Middle 1/3

123
Q

From a facial view of the mandibular canine compare the root to the maxillary canine

A

Root is shorter in the mandibular by 1-2 mm

124
Q

From a lingual view of the mandibular canine, the lingual surface is relatively:

A

Flat & smooth

125
Q

From a lingual view of the mandibular canine, describe the cingulum:

A

Poorly developed

126
Q

From a lingual view of the mandibular canine, describe the mesial & distal marginal ridges:

A

Less developed than maxillary canine

127
Q

From a lingual view of the mandibular canine, describe the ML & DL fossa:

A

Less developed than in the maxillary

128
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 three aspects:

A

Poorly developed cingulum
Less developed mesial & distal marginal ridges
Less developed ML & DL fossa

129
Q

From a lingual view of the mandibular canine, the crown narrows _____ & the root narrows _____

A

Lingually
Lingually

130
Q

From a mesial view of the mandibular canine, the cervical 1/3 is _____ when compared to a maxillary canine

A

Narrower

131
Q

From a mesial view of the mandibular canine, the incisal portion is ____ when compared to a maxillary canine

A

Thinner

132
Q

From a mesial view of the mandibular canine, the labial is _____ than the maxillary canine

A

Less curved

133
Q

From a mesial view of the mandibular canine, the labial & lingual heights of contour are in the:

A

Cervical 1/3

134
Q

From a mesial view of the mandibular canine, the lingual outline is more _____

A

Concave

135
Q

From a mesial view of the mandibular canine, why is the lingual outline more concave?

A

Due to less prominent cingulum

136
Q

From a mesial view of the mandibular canine, what is prominent on the root?

A

Mesial developmental depression

137
Q

From a mesial view of the mandibular canine, the cusp tip is _____ the line bisecting the root

A

Lingual

138
Q

From a distal view of the mandibular canine, compared to the mesial view describe the CEJ:

A

Curvature of CEJ is not as steep distally

139
Q

From a distal view of the mandibular canine, when compared to the mesial view, the developmental depression is:

A

More pronounced

140
Q

From an incisal view of the mandibular canine, the labial outline is _______ than in the maxillary canine

A

Less convex

141
Q

From an incisal view of the mandibular canine, what ridges are less developed than in a maxillary canine

A

Facial ridge
Mesial ridge
Distal ridge

142
Q

Label the mesial and distal sides from an incisal view of the mandibular canine:

A

Left- mesial
Right- distal

143
Q

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

A

Slightly lingual

144
Q

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

A

Mesial

145
Q

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

A

Lignual

146
Q

How many roots present in a mandibular canine?

A

One

147
Q

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

A

Mesial

148
Q

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

A

Labiolingually

149
Q

How often are two canals present in mandibular canines?

A

20% of the time

150
Q

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

A

Deep distal developmental depression

151
Q

The Mandibular canine is the anterior tooth most likely to:

A

Have a bifurcated root

152
Q

When comparing the maxillary & mandibular canines:

1- Which has the larger crown?
2- Which has a marked convergence toward the cervical area?
3- Which has the greatest crown length?
4- Which has an incisal margin that takes up 1/3 of the crown height?
5- Which has an incisal margin that takes up 1/5 of the crown height?
6- Which overall has less prominent anatomical features?
7- Which overall has more prominent anatomical features?
8- Which has marked asymmetry when viewed from the 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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