Mandibular Canines

Question 1

When do mn canines….
calcify
erupt
root complete

Answer 1

calcify- 4 months
erupt- 9-10yrs old
root completion- 13yrs old

Question 2

Which crown is longer incisogingivally, maxillary canine or mandibular canine?

Answer 2

mandibular canine

Question 3

Which root is shorter, maxillary canine or mandibular canine

Answer 3

mandibular canine *overall length mostly the same due to longer crown

Question 4

When looking at the OVERALL size, which tooth is smaller, mx canine or mn canine

Answer 4

mn canine usually smaller

Question 5

Compared to mx canines, mn canines have a ______ developed lingual surface.

Answer 5

less

Question 6

Where is the height of contour for mn canines (for the facial and lingual)

Answer 6

both are cervical 1/3rd

Question 7

FACIAL VIEW: are imbrication lines usually present on mn canines?

Answer 7

no

Question 8

FACIAL VIEW: similar to mx canine, mn canines have ______ mesial outlines with a ______ mesioincisal angle.

Answer 8

straight; sharp

Question 9

FACIAL VIEW: similar to mx canines, mn canines have ______ distal outlines with a ______ distoincisal angle.

Answer 9

covex; rounded

Question 10

FACIAL VIEW: compared to mx canines, mn canines have a more _______ cervical line.

Answer 10

symmetrical

Question 11

FACIAL VIEW: the height of contour is more prominent and farther from the CEJ on which canine, mx or mn

Answer 11

maxillary canine

Question 12

FACIAL VIEW: where is the mesial contact area?

Answer 12

incisal 1/3rd

Question 13

FACIAL VIEW: where is the distal contact area?

Answer 13

junction of incisal and middle 1/3rd

Question 14

compared to mx canines, mn canines cusp tips are not as…..

Answer 14

long or sharp

Question 15

FACIAL VIEW: which cusp ridge is shorter, mesial or distal

Answer 15

mesial *almost horizontal

Question 16

LINGUAL VIEW: compared to mx canines, mn canines have a _______ lingual surface.

Answer 16

smoother

Question 17

LINGUAL VIEW: compared to mx canines, mn canines incisal portion is ________.

Answer 17

thinner

Question 18

LINGUAL VIEW: describe the cingulum of mn canines

Answer 18

often distal to center
less developed than mx canines

Question 19

LINGUAL VIEW: which marginal ridge appears longer, MMR or DMR

Answer 19

MMR

Question 20

The CEJ height of contour appears greater on the mesial or distal?

Answer 20

mesial

Question 21

INCISAL VIEW: the cusp tip is ______ to the root bisector

Answer 21

lingual (may be centered)

Question 22

INCISAL VIEW: which surface can be seen more from this view, facial or lingual

Answer 22

facial

Question 23

INCISAL VIEW: compared to mx canines, mn canines have a more ______ incisal view.

Answer 23

symmetrical

Question 24

INCISAL VIEW: incisal wear appears on the….

Answer 24

facial

Question 25

Describe the root of mn canines

Answer 25

single, straight, 2nd longest in the mouth

Question 26

Which vertical root depression of mn canines is more prominent, mesial or distal?

Answer 26

distal (*more prominent than on mx canines)

Question 27

True or false: mn canine roots may bifurcate in the apical 1/3

Answer 27

True *one facial one lingual

Question 28

Describe the pulp chamber and pulp horns of mn canines

Answer 28

-large pulp chamber
-1 pulp horn

Question 29

How many root canals do mn canines have

Answer 29

-if single rooted, 1
-if fluted, 2 may form that either join at apex or have separate foramina
-if bifurcated, 2 are present with own apical foramen

Question 30

OVERALL compared to mx canines, mn canines may have….

Answer 30

-narrower crown mesiodistally
-longer crown
-shorter root
-smoother lingual surface
-less developed cingulum
-less prominent marginal ridges
-less developed cusp tip
-thinner cusp ridges
-more incisal distal contact
-possible bifurcated roots