Canines

The canine is the only anterior tooth with a

cusp

Mandibular canine eruption

9-10 years

Maxillary canine eruption

11-12 years

From the facial, they look like

premolars

What on the facial surface of canines looks like premolars?

facial ridge and cusp

From the proximal, canines are ___________ shaped or ___________ like incisors

wedge, triangular

Crown outline shape from facial

trapezoid

Crown outline shape from incisal

asymmetric diamond

Crown outline shape from proximal

triangle or wedge

All anatomy is more prominent on the _____________ canine

maxillary

The middle facial lobe forms a prominent

facial ridge

What are present on each side of the facial ridge?

mesial and distal developmental depressions

The depressions may extend where?

onto the cusp ridges

From what aspect are the facial ridge and depressions most prominent?

incisal

The convexity of the facial surface is greater on _____________ canines

mandibular

The maxillary canine is ____________ when viewed from the proximal

convex

The mandibular canine crown and root together produce a __________ shaped curve

C

Canines have what cusp ridges?

mesial and distal

Maxillary canines: the cusp ridges form an angle that is ___________ degrees

90-105

Both M and D cusp ridges on the maxillary canine tend to be

concave

_____________ cusp ridges are shorter than ______________ cusp ridges

M, D

Both the M and D cusp ridges on the mandibular canine form an angle that is ______________ degrees

120

The D cusp ridges is ____________ as the M cusp ridges

about twice as long

Which cusp ridge on the mandibular is more horizontally positioned?

M

Is the maxillary or mandibular cusp tip sharper?

maxillary

On maxillary canines, the D half of the crown appears to be...

compressed faciolingually

On mandibular canines, tooth structure extends ____________ to the root causing the crown to appear bent _________________

distally, distally

What is the M outline of the mandibular canine like?

nearly straight compared to the distal side that is curved

The distal is more curved on the maxillary or mandibular?

maxillary

The ________ point angles are more rounded than the ____________ point angle

DF, MI

The distal bulge is located further cervically on maxillary or mandibular?

maxillary

Where are imbrication lines found?

maxillary canines

How many fossae do canines have?

2

Are lingual ridges more prominent on maxillary or mandibular?

maxillary

Which marginal ridge is more likely to be irregular?

distal

Which marginal ridge is more elevated?

distal

Which marginal ridge is shorter?

distal

On maxillary canines, the cingulum is _______________

centered mesiodistally

What is the cingulum like on mandibular canines?

located more cervically and slightly offset to the distal. also less prominent

Where is the lingual ridge more prominent?

maxillary

What does the lingual ridge separate?

mesial lingual fossa and distal lingual fossa

Where are the lingual fossae located?

between the lingual ridge and marginal ridges on maxillary canines

Are the lingual fossae visible on mandibular canines?

they are shallow to nonexistent

On the maxillary, what are common?

lingual pits and or developmental grooves

Where can pits be located?

incisal of cingulum

What is absent on mandibular canines?

lingual pits and grooves

What is the CEJ like on canines?

asymmetrical and slightly offset to the D on the lingual

On both maxillary and mandibular, what direction do the crowns taper?

lingually

HOC for maxillary facial

cervical 1/3

HOC for mandibular facial

cervical 1/3

HOC for maxillary lingual

cervical 1/3

HOC for mandibular lingual

cervical 1/3

Is the maxillary canine or mandibular canine larger?

maxillary

Are the incisal edges and cusp ridges thicker on max or mand?

maxillary

Cusp tips are positioned over the _________________ of the root

mesio-distal center

On maxillary canines, the cusp tip is _________________ to the long axis

facial

On mandibular canines, the cusp tip is __________________ to the long axis

lingual or in line

The _______________ surface of the maxillary canine occludes with the __________________ surface of the mandibular canine

mesiolingual, distofacial

The mesial portion of the crown has _____________ faciolingual dimension than the distal aspect

greater

The ________________ canine is more symmetrical than the ________________ canine

mandibular, maxillary

Maxillary canine mesial HOC

incisal to middle 1/3

Maxillary canine distal HOC

middle 1/3

Mandibular canine mesial HOC

incisal 1/3

Mandibular canine distal HOC

incisal/middle 1/3

Maxillary canines: the crown surface is _______________ in all directions

convex

The root surface of maxillary canines usually has what?

shallow depression

The mandibular canine cervical crown surface is usually

flat or slightly convex

The maxillary canine root usually has what?

sharp curve in the apical 1/3 towards the M or D

The mandibular canine root may do what?

curve facially in apical 1/3

Bifurcated root may be present on what canine?

mandibular

The maxillary crown is wider in what dimension?

M-D

The mandibular crown is wider in what dimension?

I-Gi

The _____________ root is longer

maxillary

Max or mand: mesial cusp ridge is shorter an positioned almost horizontally

mandibular

The canine has the greatest _________________ + ____________________ length

crown plus root

What tooth has the largest and most prominent cingulum of any anterior tooth?

max canine

What tooth has the greatest faciolingual crown dimension of any anterior tooth?

max canine

Max or mand: the distal half of the crown is compressed faciolingually

max

What tooth has the greatest I-Gi crown dimension of any tooth?

mand canine

What is the longest root in the mandibular arch?

canine

Where is the incisal edge relative to the long axis in mand canines?

lingual