Permanent Canines, Morphology

Front 1

1. Funcition of canines?
2. How are they different from all the other teeth in the mouth?
3. How many roots do they have?

Back 1

-used for piercing and tearin
-longest teeth in mouth (most stable)
-eminent facially, with esthetic support
-cornerstones of mouth, important in occlusion
-single rooted
-only teeth to have a single conical cusp.

Front 2

1. Mesial CEJ is more _____ than distal CEJ and becomes less prnounced posterily
2. Root inclines ______
3. Distal crown contours are more ____ than mesial
4. Distal contact areas are more ____ positioned

Back 2

1. more incisally postioned
2. incline distally
3. more rounded
4. more gingival

Front 3

1. When does maxillary canine erupt?
2. How many deveopmental lobes?

Back 3

1. erupts at age 11-12
2. 4 developmental lobes

Front 4

Maxillary canine facial aspect
1. Cusp tip is wehre?
2. Mesial contact?
3. Distal contact?
4. Mesial cusp ridge is more ___ than distal?

Back 4

1. cusp tip is line with center of root
2. at junction of incisal and middle 1/3s
2. more gingivally; concave between contact area and coervical line
3. mesial cusp ride is shorter than distal

Front 5

Lingual aspect - maxillary canine
1. Promintent what?
2. Where does the lingual ridge extend from?
3. How is the root appear?

Back 5

1. prominent cingulum and marginal ridges
2. ridge extends from cingulum to cusp tip; divides fossa into ML fossa and DL fossa
4. lingal aspects of crow and root narrower than facial MD.

Front 6

Mesial aspect - maxillary canine
1. Crown appears in what shape?
2. Height of countour is where?
3. Where is the lingual contour convex?

Back 6

1. crown is wedge shaped
2. labial outline from hiegh of contour to incisal is slightly rounded to flat
3. lingual outlie is convex at cingulum

Front 7

Maxillary canine - distal aspect
1. Where is the contact area?

Back 7

in middle 1/3, also mid labio lingual

Front 8

Maxillary canine (cuspid)
1. outline form isn't what? What half is more convex?
2. where is the cusp?
3. What dimension is greater, FL or MD?

Back 8

1. Mesial half is flat and dista half is highly convex and narrow
2. cusp tip slightly mesial and facial to center of crown
3. FL greater than MD

Front 9

Root of maxillary canine
1. Root is wider FL or MD?
2. How many pulp canals?
3. What portion may incline distally? Do we see a bifurcation?

Back 9

1. longest root of all teeth
2. wider FL than MD
3. single pulp canal
4. apical third may incline distally, possible bifurcation

Front 10

Mandibular canine
1. What age does it erupt?
2. How is different from all the other teeth in the mouth?

Back 10

1. Erupts age 9-10
2. Lst one to to be lost in the mouth
second longest teeth in mouth.

Front 11

Mandibular canine (facial)
1. How is it different than maxillary canine?
2. Where is the mesial contact are?
3. Where is the distal contact?
4. Describe the shape of the mesial cusp ridge?
5. How is the crown shaped in relation to the long axis of the root?
6. Where is the cusp tip?

Back 11

1. narrower than max canine
2. mesial crown and root outline is straight.
3. mesial contact is ine line with incisal third
4. distal contact is at junction of incisal and middle thirds.
5. mesial cups is shorter and more horiontal than distal slope
6. crown is tilted distally with respect to long axis of tooth
7. cusp tip is line w/ center of root

Front 12

Mandibular canine (lingual aspect)
1. Describe the surface of this
2. How is this different from the maxillary canine?

Back 12

1. smooth and regular
2. cingulum, marginal ridges, lingual ridge, and fossae are less promnent than in max canine

Front 13

Mandibular canine (mesial aspect)
1. Less _____ than max canine
2. _____ less pronounced
3. Narrower FL or MD than max canine?
4. Cusp tip is where?
5. Where is the contact area?

Back 13

1. less labial than max canine
2. lingual profile is less prnounded
3. FL narrower compared to max canine
4. cus tip lingual or on bisecting line
5. contact is at incisal or third

Front 14

Mand. canine (distal )
1. Where is the contact area?
2. Distal surface is shorter ______ than mesial?

Back 14

1. at junction of incisal and middle thirds
2. distal surface shorter incisocervically than mesial

Front 15

How is the incisal aspect of the mand canine different from the max canine?

Back 15

more symmetrical and smoother outline form
-cingulum is offset slightly to distal

Front 16

Root of mand canine
1. Describe the overall shape
2. Narrow MD or FL?
3. M and D aspects are waht?
4. What shape is the cervical out line form?
5. What is unique about the number of roots?
6. What may happen with the apical third?

Back 16

1. single, straight longest in mand arch
2. narrower MD than FL
3. M and D aspects flat and may have developmental depressions
4. cervical cross section shows ovoid outline form
5. occasional root bifuractions wtih one facial and one lingual branch
6. apical third may incline distally