L5 CANINES Flashcards
When do maxillary canines erupt?
….
When do mandibular canines erupt
,,,
When does calcification of the maxillary canines crown begin
…
When is calcification of the crown of the maxillary canines complete
..
When is the root development of maxillary canines complete
….
Canines are designed to
Tear, pierced and hold food
Canine teeth form the _____ of the arch
“Cornerstone”
Canine are a very important teeth from an _____ and ______ aspects
Esthetic and functional
What tooth has the longest and thickest roots (faciolingually) of all the teeth
Canines
What tooth is often the last remaining tooth in an arch
Canine, they’ve very stable
Are canine anterior or posterior teeth
Anterior
Prominent ridge of bone of the labial aspect of canines is the
Canine eminence
Canines help support facial __________
Musculature
Loss of canine teeth can change
The shape of face this area
Mandibular canines slide along _____ surface of the maxillary canine and that ______-
Slide along lingual surface,
That guides the mandible
Why do canines have long roots
Good anchors or support for prostheses,
Numbers of maxillary canines
Right = 6
Left =1
When do maxillary canines erupt
11-12 years of age
maxillary canines develop Fromm ___ lobes
4 lobes
maxillary canines develope from 3 labial lobes, name them
Mesial, middle, and distal
Which lobe of the maxillary canine shows the greatest development
1 lingual lobe
What does the 1 lingual lobe of the maxillary canines develop in to
The cingulum
Which canines are larger
Maxillary
Define cusp
Elevation on the crown of a tooth
The cusp tip of maxillary canines is made up of ___ ridges, list them
4; Mesial cusp edge Distal cusp ridge Facial cusp ridge Lingual cusp ridge
Other names for mesial cusp ridge
Mesial cusp arm
Mesioincisal cusp arm
Mesioincisal cusp ridge
Other names for distal cusp ridge
Distal cusp arm
Distoincisal cusp arm
Distoincisal cusp ridge
Is the cusp tip of maxillary canine included in its geometric form
No!!
What is the geometric form of the maxillary canines
Trapezoidal
Outline of the maxillary canines
Pentagon - 5 side
What 5 sides make up the outline of the maxillary canines
- Mesial part above the contact
- Distal part above the contact
- Cervical line
- Mesial cusp arm
- Distal cusp arm
The cusp tip of maxillary canines is ______ with the center of the root
In line with the center of the root
Incisal margin of maxillary canines is
1/3 total crown height
The mesial cusp ridge of maxillary canines is ______ and _____ sloped than the distal cusp ridge
Mesial cusp ridge is shorter and less sloped than he distal cusp ridge
The mesioincisal angle is more ______ than distoincisal angle incisal
More incisal
The cervical line of the maxillary canines curves
Apically
Cusp tip of maxillary canines ins ____ of total crown height
1/3
The mesial contact of the maxillary canines is at _____
Junction of the middle and the incisal 1/3s
Distal contact of maxillary canines is
In the middle 1/3
Mesial profile of maxillary canines is slightly ____, but can be slightly ______ cervical to contact area
Slightly convex, slightly concave cervical
Distal profile of maxillary canines is more
Convex, more rounded distoincisal angle
Distal outline of maxillary canines is _____ from contact to the cervical line
Concave
What are the shallow depressions where the 3 labial lobes join on maxillary canines
MF an DF depression
maxillary canines has a relatively prominent
Facial ridge = middle labial lobe
Mesial to facial ridge of maxillary canines is
Convex
Distal to facial ridge of maxillary canines has tendency to form _________ in cervical 1/3
Concavity in cervical 1/3
Shape of root of maxillary canines from facial view
Conical
Length and width of maxillary canines from facial view
Long and narrow (MD)
From facial view Apex of maxillary canines curves in
Apical 1/3 (mostly distally)
Facial view of Root of maxillary canines is ____ on labial aspect
Convex
Lingual view, Crown and root of maxillary canines are _____lingually
Narrrower
Lingual view, CEJ of maxillary canines have _______ curvature on the lingual side than on labial
Greater curvature
Lingual view, maxillary canines has distinct ____ and ____ ridges
Mesial and distal marginal ridges
On the lingual view, maxillary canines have prominent convex
Convex cingulum
Describe the lingual cusp ridge of maxillary canines
Ridge from cusp tip that blends into incisal portion of cingulum
maxillary canines on lingual view, what lies between the lingual and marginal ridges
Mesiolingual and distolingual fossa
From lingual view, the root of maxillary canines are _____ than facial
Narrower
From lingual view, maxillary canines roots are smooth and ____
Convex
from Lingual view of maxillary canines, mesial and distal aspect of root visibility due to
Narrowing
From lingual view of maxillary canines, developmental depression on the _____ and _____ aspect are visible
Mesial and distal
Mesial view of maxillary canine, describe the outline
Triangular or wedge shaped
Mesial view of maxillary canine, is extremely wide ____ in cervical third of both crown and root
Faciolingually
From mesial view of maxillary canine, the cusp tip is _____ to line besetting root
Labial to line bisecting root,
Remember the max incisors lie on the line
From mesial view of maxillary canine, the labial outline is
Slightly convex
From mesial view of maxillary canine, labial heigt of contour is in
The cervical 1/3
From the mesial view of the maxillary canine, the lingual outline is _______ in cingulum area and slightly _____ in incisal portion
Convex in cingulum, slightly concave in incisal
From mesial view of maxillary canine, lingual height of contour is in the
Cervical 1/3
From the mesial view of maxillary canine, the cervical line curves
Toward the incisal edge
From mesial view of maxillary canine, the root shape is
Conical
From mesial view of maxillary canine, the root is ver broad _______ from cervical line to 1/2 - 1/3 length
Very broad labiolingually
From mesial view of maxillary canine, the root apex is
Tapered
From distal view of maxillary canine, there’s a definite ____ betweeen the contact and cervical line
Concavity
From distal view of maxillary canine, the cervical line is flatter but curves toward
Incisal edge
From distal view of maxillary canine, similar to mesial view, but distal. Marginal ridge is _____ and more _____ in outline
Is heavier and more irregular in outline
From distal view of maxillary canine, the developmental depression on root is ___ than mesial
More pronounced
From incisal view of maxillary canine, the labiolingually dimension is ____ than the mesiodistal dimension
LL > MD
From incisal view of maxillary canine, the mesial distal contact areas are centered
Faciolingually
From incisal view of maxillary canine, the cusp tip is ____ to the center of the crown
Labial
From incisal view of maxillary canine, mesial half of facial profile is _____, distal half is
Facial profile is convex, distal half is flattened or concave
What is the longest tooth in the maxillary arch
Canine
What is the broadest (FL) single rooted tooth
Maxillary canine
Describe shape of Root and pulp canal of maxillary canine
Oval in cervical and middle 1/3
Round in shape in apical 1/3
Is the distal or mesial root concavities of maxillary canines more pronounced
Distal
How many pulp horn in maxillary canines
1 pulp horn
Roots of maxillary canine are ___ MD
Narrow
Roots of maxillary canine are _____ FL
Wide
Describe root cross section of maxillary canine
Oval in cross section with mesial and distal developmental depressions - more pronounced on distal
Numbers of mandibular canines
Right = 27 Left = 22
mandibular canines erupt at
9-10 years old, before maxillary canine
mandibular canines developers from ____ lobes
4 lobes
mandibular canines has 3 labial lobes, which is the best developed and forms the cusp
Middle labial lobe
The 1 lingual lobe of the mandibular canines develops into
The cingulum
How many cusp on mandibular canines
Single cusp
mandibular canines are _____ MD than maxillary canines
Narrower
Cingulum of mandibular canines are _______ as in maxillary canines
Not as well developed
Mesial and distal marginal ridge of mandibular canines are or aren’t as prominent as maxillary
Are not
Cusp height of mandibular canines is approximately ____ of crown
1/5 height of crown (vs 1/3 in maxillary canine)
From facial view of mandibular canine, crown is ______ MD compared to maxillary canine
Narrower
From facial view of mandibular canine, crown is ______ incisogingivally compared to maxillary canine
As long or longer IG
From facial view of mandibular canine, mesial cusp arm is ____ than the distal cusp arm
Shorter
From facial view of mandibular canine, mesial outline is _____ within mesial outline of root
Straight and in line
From facial view of mandibular canine, mesial contact is in the
Incisal 1/3
From facial view of mandibular canine, distal outline is ____ and overhangs the _____
Convex and overhangs the root
From facial view of mandibular canine, crown appear bent ____ on root
Distally
From facial view of mandibular canine, distal contact is in the
Middle 1/3
From facial view of mandibular canine, root is ____ compared to maxillary canine
Shorter
From facial view of mandibular canine, if root curvature present, often to
Mesial
From lingual view of mandibular canine, the cingulum is ____ developed
Poorly development
From lingual view of mandibular canine, mesial and distal marginal ridges are ____ developed than maxillary
Less
From lingual view of mandibular canine, Mesiolingual and distolingual fossa are _____ developered than maxillary canines
Less developed
From lingual view of mandibular canine, the crown narrows _____
Lingually
From lingual view of mandibular canine, the root narrow
Lingually
From mesial view of mandibular canine, cervical 1/3 is ____ than maxillary canine
Narrower
From mesial view of mandibular canine, incisal portion is _____ than maxillary canine
Thinner
From mesial view of mandibular canine, labial is _____ curved than maxillary canine
Less curved
From mesial view of mandibular canine, labial and lingual heights of contour are in
Cervical 1/3
From mesial view of mandibular canine, lingual outline is ____ concave due to _____
More concave, due to less prominent cingulum
From mesial view of mandibular canine, cusp tip is ____ to bisecting line root
Lingual
From distal view of mandibular canine, curvature of CEJ is or isn’t as steep as the mesial view
Is not as steep as mesial view
From distal view of mandibular canine, development depression on the root is or isn’t more pronounced than mesial developmental depression
More pronounce
From incisal view of mandibular canine, labial out is _____ convex than maxillary canine
Less convex - facial ridge is less developed
From incisal view of mandibular canine, mesial and distal ridges are _____ developed than maxillary canine
Less developed
From incisal view of mandibular canine, cusp tip is slightly
Lingual
From incisal view of mandibular canine, mesial cusp arm is inclined slightly to
Lingual
Single root of mandibular canine is often curved to the
Mesial
Canal and root of mandibular canine are _____ labiolingually
Wide
root of mandibular canine have a deep ____ developmental depression
Distal
What anterior tooth is most likely to have a bifurcated root
Mandibular canine