Permanent canines Flashcards
canine
longest teeth in mouth
Transitional form (and function) between incisors and premolars
Maxillary Canine
Four Developmental Lobes (3F/1L)
canines
longest teeth
canines
crown to root ratio of canine
1;2
tf canines have
smaller crown than incisors
f
fCrown longer than incisors
Last tooth to be lost generally
max canine
Transitional form and function
mandib canine
Four Developmental Lobes
mandib canine
roots curve
distally(canine)
tf in canines distal crown contours are usually less rounded than the mesial
f
distal crown contours are usually more rounded than the mesial
tf canine distal contact areas appear more gingivally positioned
t
tf max canine
Cusp tip in line with center of crown but mesial to center of the root
f
Cusp tip in line with center of root but mesial to center of the crown
max canine(facial)
concave b/n cervical line and contact area
tf max canine–>Mesial cusp ridge (slope) is shorter than the distal
t
longer and Central sl. wider M-D
than incisors
max canine
slightly convex vs. very convex
Mesial vs distal
max canine
concavity on
distal max canine
tf–> max canine–>Prominent facial ridge (middle lobe) sl. distal to center
f
Prominent facial ridge (middle lobe) sl. mesial to center
longest root of any tooth
max canine
distal outline straighter than mesial outline
max canine
max canine
apical third–slight distal inclination
max canine
smooth convex facial surface
Lingual of max canine
sinculum and 2 marginal ridge
tf ML fossa larger than the DL fossa in max canine
F
ML fossa (smaller) and DL fossa (larger)
tf max canine has a Lingual ridge extending from cingulum to cusp tip;
t
TF Lingual aspects of max canine crown and root narrower than facial mesiodistally
T
CEJ line may be flattened or straight instead of uniformly convex in cingulum area
max canine
max canine
mesial marginal ridge
distal marginal ridge
max canine
incisal ridge
lingual ridge
singula
wedge shape
mesial from maxillary canine side
max canine mesial aspect
slightly rounded to flat
–> labial outline from HOC 2 incisal
max canine
(Lingual)
convex at cingulum
CEJ curves evenly towards incisal
mesial aspect of max canine
tf max canine Cusp tip sl. lingual to center of crown
Cusp tip sl. facial to center of crown
tf there is no depression on max canine mesial aspect
T
faciolingually in cervical 2/3
max canine on mesial side
tf max canine CEJ line less curved mesial than distally
f
CEJ line less curved distally than mesial
Marked depression in middle third of crown
max canine distal side
tf max canine incisal form is symtrical
Outline form of max canine is not symmetrical
mesial half is flat and broad faciolingually; distal half is highly convex and narrow
mesial and facial–>
cusp tip of max canine
tf mesiodistally > facialingually of max canine
F
facialingually > mesiodistally
tf developmental depressions between 2 lobes on max canine
F
between 3 lobes
Mesial outline smoothly convex; distal outline exhibits distinct prominence
max canine(incisal view)
max canine display Proximal contacts, cusp slopes, and cusp tip on—— line
Proximal contacts, cusp slopes, and cusp tip on straight line
Cingulum is prominent and centered ——
Cingulum is prominent and centered mesiodistally
tf max canine has a Facial ridge is prominent;distal to center of crown
Facial ridge is prominent; mesial to center of crown
max canine have
distinct fossa and marginal ridge
Longest root of all teeth
max canine
max canine root
Generally wider faciolingually than mesiodistally
tf max canine has a single pulp canal
T
max canine
has a root;Apical third may incline mesially
and have Possible bifurcation
has a root;Apical third may incline distally
and have Possible bifurcation
max canine
shallow developmental depressions proximally
tf
Only distal root depressions prominent on Max canine
Mesial and distal root depressions prominent
max canine;
Root canal is wide faciolingually and narrow mesiodistally
Last tooth to be lost generally
mand canine
2nd largest tooth in mouth
mand canine
tf mandib canineis wider than max canine
F
mandib canine is narrower
round to straight;
distal crown ; mesial crown of mand canine
correct the following
Mesial cusp ridge (slope)longer and less horizontal than distal slope(mand canine)
Mesial cusp ridge (slope) shorter and more horizontal than distal slope
crowns of mand canine
tilted distally with respect to long axis of tooth
mandib canine; Cusp tip in line with
center of root
mandib canine –> Prominent facial ridge
with two adjacent developmental depressions
tf mandib canine have a round root apex
f
sharp inclining distally
mandib canine
Lingual surface rough and
irregular
Lingual surface smooth and
regular
(mandib canine)
tf
mandib canine–>more prominent Cingulum, marginal ridges, lingual ridge, and fossaethan max canine
F
less prominent
tf Crown and root of mandib canine taper to the lingual
T
tf mandib canine have Mesial and distal root developmental depressions
t
mesial and distal fossa separated by
lingual ridge in mandib canine
tf mandib canine have 4 ridges on lingual
f 5
Incisal Ridge (Cusp tip with M and D marginal ridges)
Mesial marginal ridge
Distal marginal ridge
Cingulum
Lingual ridge
tf mandib canine have more labial (facial) curvature than maxillary canine
f
mandib canine have Less labial (facial) curvature than maxillary canine
tf mandib canine have a more pronounced lingual profile
less pronounced
narrow faciolingually than max canine
mesial max canine
mand canine (mesial aspect)–>Cusp tip slightly —- to bisecting line
mand canine (mesial aspect)–>Cusp tip slightly lingual to bisecting line
tf mand canine contain no
mesial root depression
tf on mesial aspect of mandib canine no distal marginal ridge is visible
Some of distal marginal ridge visible
distal apsect of mandib canine
CEJ line less pronounced than mesial
tf
distal surface of mandib canine longer mesial incisocervically
f
shorter
distal aspect of mandib canine
rooth depression frm CEJ and ends premature to apex
Root depression from CEJ almost to apex
F
incisal view of mandib canine
symmetrical and smooth outline form
tf Crown is wider mesiodistally than faciolingually
(of mandibular canine)
rown is wider faciolingually than mesiodistally
F
tf Cusp tip of mandib canine slightly distal and lingual to center of crown
and Cingulum slightly offset toward mesial
Cusp tip slightly mesial and lingual to center of crown
Cingulum slightly offset toward distal
F
tf lingual surface is more visible on incisal of mandib canine
F
facial surfac
irregular ovoid outline form which taper toward lingual
cervical cross section of mandib canine
tf Facial portion of mandib canine much wider than lingual portion
t
tf
Root canal broad faciolingually and narrow mesiodistally in
madib canine
T
flat but can have developmental depressions
mandib canine(cross section)