Permanent Maxillary and Mandibular Canines Flashcards
T or F:
the canines are the longest teeth in the mouth
true
what is “canine guidance”?
shapes of canines provide guidance for teeth
middle labial lobes of canines are the most developed, giving rise to what?
strong, well formed cusps
the shapes of canine crowns contribute to what?
self cleaning
what is the canine eminence?
bone ridge over the roots
what is the significance in the location of the canines between incisors and premolars?
provides support
the maxillary canine’s mesial and distal contact areas are ____
at different heights
the maxillary canine is a transition between ___ and ___
lateral incisor and first premolar
the maxillary canine’s incisal portion is ___ labiolingually than any of the incisors
thicker
the maxillary canine’s labiolingual measurement is 1mm ___ than the central, and mesiodistal is about 1mm ___.
- greater
- less
the ___ of the maxillary canine shows greater development than that of the ___
- cingulum
- central
the maxillary canine’s root is thick ____ with developmental depressions that help ___
- labiolingual
- anchor into bone
from the labial aspect of the maxillary canine, the crown and root are ___ than the central
narrower
from the labial aspect of the maxillary canine, mesially, the crown is ___, and the contact area is at the junction of the ___ and ___ thirds
- convex
- middle and incisal thirds
from the labial aspect of the maxillary canine, distally, the crown outline is ___ from the cervical line to the distal contact area, which is at the center of the ___ 1/3
- concave
- middle
from the labial aspect of the maxillary canine, the cusp tip is on line with ___
the center of the root
from the labial aspect of the maxillary canine, the mesial cusp slope is ___ than the distal cusp slope, and both will show ___ before wear
- shorter
- concavity
from the labial aspect of the maxillary canine, the labial surface is ___ and ___
smooth and convex
from the labial aspect of the maxillary canine, the middle lobe shows ___ development
greater
from the labial aspect of the maxillary canine, distal to the labial ridge may have a concavity at ___ third
cervical
from the labial aspect of the maxillary canine, the root appears ___ and is conical with a ___ pointed apex
- slender
- bluntly
from the labial aspect of the maxillary canine, the geometric shape is ___
pentagonal
from the lingual aspect of the maxillary canine, the crown and root are ____ lingually than labially
narrower
from the lingual aspect of the maxillary canine, the cervical line may be ___ for a short distance
straight
from the lingual aspect of the maxillary canine, the cingulum is ___ and may be ___, as in a small ___.
- large
- pointed
- cusp
from the lingual aspect of the maxillary canine, the is usually a lingual ridge from ___ to ___ with distal and mesial fossae, but sometimes these don’t show at all
- cusp tip
- near cingulum
from the lingual aspect of the maxillary canine, there will be heavy ____ before wear takes place
marginal ridges
from the lingual aspect of the maxillary canine, because of the narrow root lingually, one can see parts of the ___ and ___ surfaces of the root
mesial and distal
from the mesial aspect of the maxillary canine, you can see the greater ___ and greater ___ measurement than any of the other anterior teeth
- bulk
- labiolingual
from the lingual aspect of the maxillary canine, the outline is ___ shaped, and is widest at the ___
- wedge
- cervical area
from the lingual aspect of the maxillary canine, the labial outline is ___, more so than the central incisor
convex
from the lingual aspect of the maxillary canine, the cervical line curves about __mm from the CEJ
2.5mm
from the lingual aspect of the maxillary canine, the outline of the root is ___ with a tapered or ___ pointed apex
- conical
- bluntly
from the lingual aspect of the maxillary canine, the labial outline of the root is almost ___, with most of the taper on the ____
- perpendicular
- lingual outline
from the lingual aspect of the maxillary canine, a line bisecting the ___ is labial to a line bisecting the ___
- cusp
- root
from the lingual aspect of the maxillary canine, the mesial surface of the root is broad with a _____ for partway-help to anchor the ___
- shallow depression
- root
from the distal aspect of the maxillary canine, the cervical line has a curvature of ___mm, which is ___ than the curvature of the mesial
- 1.5mm
- less
from the distal aspect of the maxillary canine, the distal marginal ridge is ___ with an ___ outline
- heavier
- irregular
from the distal aspect of the maxillary canine, there will be more ___ above the contact area
concavity
from the distal aspect of the maxillary canine, it has a more pronounced developmental depression on the ___ side of the root
distal
from the incisal aspect of the maxillary canine, the labiolingual dimension is ___ than the mesiodistal
greater
from the incisal aspect of the maxillary canine, the tip of the cusp is ___ to the center of the crown labiolingually, and ___ to the center mesiodistally
- labial
- mesial
from the incisal aspect of the maxillary canine, the mesial section is ___ than the distal section, and is stretched to the ___ to contact the ___
- wider
- distal
- first premolar
from the incisal aspect of the maxillary canine, the ridge of the ___ lobe stands out
middle
from the incisal aspect of the maxillary canine, the cingulum is a ___ arc than the labial outline
shorter
from the incisal aspect of the maxillary canine, the whole outline is a series of arcs similar to a ___
French curve
the mandibular canine is ___ mesiodistally than the maxillary
narrower
the mandibular canine may be longer than the maxillary canine by ___mm
0.5-1mm
the mandibular canine root may be as long but is usually ___
shorter
the mandibular canine’s labiolingual dimension may be just slightly ___ than the maxillary
less
the mandibular canine’s lingual surface is ___ with ___ cingulum development than the maxillary canine
- smoother
- less
the mandibular canine’s cusp is not as well ___ as the maxillary, and has thinner cusp ridges ____
- developed
- labiolingual
the mandibular canine may or may not have a ___ root
bifurcated
from the labial aspect of the mandibular canine, the mesiodistal dimension is ___ than the maxillary by about __mm
- less
- 1mm
from the labial aspect of the mandibular canine, it is ___ mesiodistally than the mandibular incisors
wider
comparing the mandibular canine and maxillary canine from the labial aspect:
crowns on the mandibular appear ___ due to narrowness and ___ contact areas
- longer
- higher
comparing the mandibular canine and maxillary canine from the labial aspect:
the mesial outline of the mandibular canine is nearly ___
straight
comparing the mandibular canine and maxillary canine from the labial aspect:
the mesial cusp ridge of the mandibular canine is ___
shorter
comparing the mandibular canine and maxillary canine from the labial aspect:
the distal contact area of the mandibular canine is more ___, but not as much as the mesial contact area
incisal
comparing the mandibular canine and maxillary canine from the labial aspect:
the cervical line of the mandibular canine is ___ and curves ___
- semicircular
- apically
comparing the mandibular canine and maxillary canine from the labial aspect:
a lot of mandibular canines appear to be bent ___ on the root base
distally
comparing the mandibular canine and maxillary canine from the labial aspect:
the mandibular root is ___ by 1-2mm
shorter
comparing the mandibular canine and maxillary canine from the labial aspect:
if there is curvature at the root end, it is most often curved ___
mesially
from the lingual aspect of the mandibular canine, the lingual surface is ___ than the maxillary
flatter
from the lingual aspect of the mandibular canine, the cingulum is ___ and ___ developed
- smoother
- poorly
from the lingual aspect of the mandibular canine, the marginal ridges are ___ distinct than the maxillary
less
from the lingual aspect of the mandibular canine, the lingual portion of the root is ___; it is ___ that of the maxillary
- narrow
- less than 1/2
from the mesial aspect of the mandibular canine, there is less of a curvature ___ on the crown, and ___ at the cervical line
- labially
- very little
from the mesial aspect of the mandibular canine, the cingulum is ___ pronounced
less
from the mesial aspect of the mandibular canine, the incisal is ___, and cusp appears ___ pointed with a slender ridge
- thinner
- more
from the mesial aspect of the mandibular canine, the tip of the cusp is more ___ over the root
centered
from the mesial aspect of the mandibular canine, the cervical line is more toward the ___ than the maxillary
incisal
from the distal aspect, is there a difference between the mandibular and maxillary canines?
very little difference
from the incisal aspect of the mandibular canine, the mesiodistal dimension is ___ than labiolingual dimension compared to the maxillary canine
less