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DMD 5300 Dental Anatomy 1 > Canines (complete) > Flashcards

Canines (complete) Flashcards

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1
Q

What is the eating functions of canines

A

they act with incisors

they hold, pierce, cut and shear food

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2
Q

what are the esthetic functions of canines

A

help form the anterior smile and are the edges of the social six
they also help support the lips and facial muscles

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3
Q

how does the canine eminence affect esthetics

A

it forms the corners of the arch

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4
Q

what is the canine eminence

A

it is the alveolar bone over the maxillary canines that bulges outward due to the shape of the root

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5
Q

what do we have to remember about the canine eminence when working with it

A

it is a VERY thin bone

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6
Q

what is the name for the protective function of the canines

A

canine guidance

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7
Q

what is canine guidance

A

a means of protection for the other teeth. It protects the posterior teeth from potentially damaging horizontal forces by being the first points of contact as you move your jaw laterally. It causes the mouth to open wider and avoid collision of the posterior teeth

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8
Q

What teeth make the transition point from anterior to posterior teeth

A

the canines

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9
Q

What are the #1 and #2 longest teeth in the mouth

A 
#1 is the maxillary canine
#2 is the mandibular canine
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10
Q

How easy are the canines to extract and why

A

they are very difficult because of the length and size of the root

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11
Q

Why do we often say that canines are “self cleansing”

A

because they are strong teeth that lack pits and grooves. so they are often the last teeth to have catastrophic decay

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12
Q

how many, and where are, the lobes of canines

A

there are 4 lobes, 3 facially and 1 lingually

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13
Q

When is the initiation of calcification of Mandibular canines

A

4.5 months

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14
Q

when is the initiation of calcification of maxillary canines

A

4.5 months

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15
Q

when is the crown complete for mandibular canines

A

6.5 years

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16
Q

when is the crown complete for maxillary canines

A

6.5 years

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17
Q

when is eruption for the mandibular canines

A

9.5 years

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18
Q

when is the eruption for the maxillary canines

A

11.5 years

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19
Q

when is the root complete for the mandibular canines

A

13 years

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20
Q

when is the root complete for the maxillary canines

A

14 years

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21
Q

what are the most common sequences of tooth eruption for the permanent maxillary teeth (palmar)

A

6-1-2-4-3-5-7-8

6-1-2-4-5-3-7-8

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22
Q

What are the most common sequences of tooth eruption for the permanent mandibular teeth (palmar)

A

(6-1) 2-3-4-5-7-8

(6-1) 2-4-3-5-7-8

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23
Q

what are the universal numbers for the maxillary canines

A

6 and 11

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24
Q

what is the outline form from the facial view of the maxillary canines

A

pentagon

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25
what is the prominent anatomical feature on the facial surface of canines
labial ridges
26
Where is the incisal tip in line with the center of the root
it is right in line
27
what is the angle of the cusp tip on the maxillary canines
105 degrees
28
how do the cusp ridges on the maxillary canines compare with each other
the mesial cusp ridge is shorter than the distal cusp ridge
29
what is the mesial proximal outline form like on maxillary canines
it is broadly convex
30
what is the distal proximal outline form like on maxillary canines
convex at the middle third and it looks like it has been stretched distally usually there is a slight concavity in the cervical third
31
What are the proximal contacts of the maxillary canines
mesial is at the junction of the incisal and middle third | distal is in the middle third
32
What are the lingual landmarks of the maxillary canines
cingulum lingual ridge marginal ridges fossae
33
what is the cingulum on the lingual surface of the maxillary canines like
it is large and centered
34
what is the lingual ridge of the maxillary canines like
it is continuous with the cusp tip
35
where are the fossae of the lingual side of the maxillary canines
distal and mesial to the lingual ridge and between the marginal ridges
36
How do the incisocervical and labiolingual dimensions of the crown compare on maxillary canines
it is greater incisocervically
37
how does the labiolingual measurement of the maxillary canines compare to the labiolingual dimension of other anterior teeth
it is the greatest labiolingual measurement of all the anterior teeth
38
what is a good way to describe the shape of the crown of the maxillary canines from the proximal view
wedge-shaped (triangular)
39
where are the cusp tips of maxillary canines in relation to the mid root axis from the proximal view
the cusp tip is labial to the root axis
40
where are the heights of contour on maxillary canines located
in the cervical 1/3
41
how does the height of contour of the maxillary canines compare to the height of contour of the incisors
it is more incisal on the maxillary canines
42
what does the facial surface of the maxillary canines look like from the proximal view
it is convex, then straightens out as it approaches the incisal tip
43
what is the shape of the lingual surface of the maxillary canine from the proximal view
s shaped
44
how do the mesial and distal cervical lines compare on the maxillary canine
it curves 2-3 mm incisally on the mesial side. the distal side curves less
45
on which side of the tooth (mesial or distal) is the cervical crown concavity larger on the maxillary canines
it is larger on the distal side. but usually present on both
46
how do the labiolingual and mesiodistal crown dimensions compare in maxillary canines
the labiolingual dimension is slightly greater than the mesiodistal dimension
47
where is the cusp tip of the maxillary canine relative to its root from the incisal view
it is mesial and labial of the center
48
is the maxillary canine symmetrical from the incisal view
no
49
if the cusp tip on the maxillary canine is mesial to the center of the root, what does that mean for the cusp ridges
that the mesial cusp ridges is shorter
50
from the incisal view what does the crown outline look like on the maxillary canine
it is a series of four arcs
51
from the incisal view how does the incisal edge line up on the maxillary canine
the incisal edge is straight mesiodistally, and it bisects the proximal arcs (points of greatest convexity)
52
with what does the cingulum of the maxillary canine coincide
the root position
53
from an incisal view how does the cingulum of the maxillary canine compare to the labial ridge
the cingulum is smaller
54
what is the labiolingual root taper of the maxillary canine
the root is more narrow on the lingual side than on the facial
55
on which side of the maxillary canine is the longitudinal root depressions more pronounced
on the distal side
56
can there be a sharp curvature mesailly or distally to the root apex on the maxillary canine
yes
57
the taper towards the apex of the maxillary canine is greater on the facial side or the lingual side
the lingual side
58
what are the universal numbers for the mandibular canines
22, 27
59
why does the mandibular canine seem longer (incisocervically) than the maxillary canine
because the crown is narrower mesiodistally
60
how does the labial ridge of the mandibular canine compare to the labial ridge of its maxillary counterpart
it is less prominent
61
What is the angle of the cusp tip of the mandibular canine
it is 120 degrees (less sharp, more blunt than the maxillary caninne)
62
how does the cusp tip of the mandibular canine line up with the center of the root
it lines up right in line with the center of the root
63
how does the mesial cusp ridge compare to the distal cusp ridge of the mandibular canine
it is much shorter than the distal cusp ridge
64
which tooth seems to have a distal bend
the mandibular canine
65
what does it mean that the mandibular canine has a distal bend
that there is noticeably more crown distal to the root axis line than to the mesial of it
66
what is the mesial proximal outline form like from the facial view of the mandibular canine
it is almost flat, to slightly convex. its root-crown line is almost continuous
67
what is the distal proximal outline form like from the facial view of the mandibular canine
it is convex in the incisal 2/3, and slightly concave in the cervical 1/3
68
where are the proximal contacts of the mandibular canine
``` Mesial = incisal third distal = middle third ```
69
how does the cingulum of the mandibular canine compare to the cingulum of the maxillary canine
it is much less developed and more smooth. | it can be either centered or distal
70
How do the lingual and marginal ridges of the mandibular canine compare to the maxillary counterpart
they are less distinct
71
what are the wear patterns on the incisal edge of the maxillary canine
its incisal ridges are worn toward the lingual
72
what are the wear patterns on the incisal edge of the mandibular canine
the incisal ridges are worn toward the facial
73
what is the crown online like for the mandibular canine from the proximal view
triangular and wedge shaped
74
how does the lingual outline of the mandibular canine from the proximal veiw compare to the same outline from the same view of the maxillary canine
it still has the S curve but it has less curvature
75
where are the heights of contour on the mandibular canine
they are both in the lingual third
76
how does the heights of contour of the mandibular canine compare to those of incisors
they are more incisal on the canines
77
how does the cervical line of the mandibular canine compare to the cervical line of the maxillary canine
it is more towards the incisal on the mandibular canine.
78
where does the cusp tip of the mandibular canine line up with the mid root axis
it is centered or lingual to the mid root axis
79
which appears to have the more pointed cusp from the proximal view the mandibular canine or the maxillary canine
the mandibular canine due to its smaller cingulum, less prominent ridge, and thinner incisal portion (labiolingually)
80
Which is greater the labiolingual dimension or the mesiodistal dimension of the crown of the mandibular canine
it is greater labiolingually
81
what are the cusp tip and ridges like for the mandibular canine from the incisal view
they are more likely to be inclined lingually especially on the distal end it is also lingual to the proximal arcs and labiolingual center
82
what is the anterior tooth the is most likely to have a bifurcated root
the mandibular canine (facial and lingual root)
83
what does the labiolingual root taper of the mandibular canine mean
the root is more narrow on the lingual side than the labial side
84
on which side of the root is the longitudinal root depressions more pronounced on the mandibular canine
the distal
85
on which side (lingual or labial) is the apical taper greater for the mandibular canine
the lingual side
86
how does the root apex for the mandibular canine compare to the root apex of the maxillary canine
it is more pointed
87
how does the length of the root of the mandibular canine compare to the length of the root of the maxillary canine
it is shorter by 1-2 mm

DMD 5300 Dental Anatomy 1 (5 decks)

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