Maxillary Canines

Question 1

Canines=_______=________.

Answer 1

cuspids; eye teeth (slang)

Question 2

Canines can sometimes be referred to as “______________”.

Answer 2

the cornerstones of the mouth

Question 3

Which teeth are the longest in the permanent dentition?

Answer 3

canines *anchored by their long roots
mx canines are usually longer than mn

Question 4

Canine eminence

Answer 4

thick labial bony plate

Question 5

Canines are the most stable teeth in the mouth because of ….

Answer 5

-self cleaning qualities
-smooth pointed shape
-thick crown
-strong anchorage (long roots)

Question 6

What is the canine form from the facial and the proximal?

Answer 6

facial- pentagonal
proximal- triangular

Question 7

List the functions of permanent canines

Answer 7

-holding, tearing, grasping
-cut pierce or shear food
-supports muscles of lips and cheeks
-protect (separate) posterior teeth during mandibular movements (called canine guidance)

Question 8

List the clinical significances of permanent canines

Answer 8

-good abutment tooth (for implants)
-forms facial image
-guidepost (canine guidance)
-often last tooth to be lost to periodontal disease

Question 9

When do the mx canines…
calcify
erupt
root complete

Answer 9

calcify- 4months
erupt- 11-12yrs old
root completion- 13-15yrs old

Question 10

Where is the height of contour for mx canines?

Answer 10

cervical 1/3rd

Question 11

Which incisal cusp ridge of mx canines is shorter- mesial or distal

Answer 11

mesial

Question 12

FACIAL VIEW: where is the mesial contact area?

Answer 12

junction of incisal and middle 1/3rd

Question 13

FACIAL VIEW: where is the distal contact area?

Answer 13

middle 1/3rd

Question 14

FACIAL VIEW: compared to mx central incisors, mx canines crown and root are ________ mesiodistally.

Answer 14

narrower

Question 15

FACIAL VIEW: the cervical line crests slightly ______ to the center of the tooth.

Answer 15

mesial

Question 16

FACIAL VIEW: describe the mesial outline

Answer 16

straighter with a slight convexity at the contact area

Question 17

FACIAL VIEW: describe the distal outline

Answer 17

rounded, shorter than mesial, concave from the contact to the cervical line

Question 18

FACIAL VIEW: describe the distal bulge

Answer 18

convex tooth structure, extends beyond the root outline

Question 19

FACIAL VIEW: are imbrication lines usually present?

Answer 19

yes; in the cervical 1/3rd of the crown

Question 20

LINGUAL VIEW: the lingual sides of the crown are _________ than the labial/facial.

Answer 20

narrower

Question 21

LINGUAL VIEW: which surface shows more curvature of the cervical line, lingual or labial/facial?

Answer 21

lingual

Question 22

LINGUAL VIEW: which tooth has the largest cingulum of all anterior teeth?

Answer 22

maxillary canines

Question 23

LINGUAL VIEW: describe the lingual ridge

Answer 23

well developed
runs from cusp tip to cingulum

Question 24

LINGUAL VIEW: describe the marginal ridges

Answer 24

bulky
MMR- longer than distal
DMR- more prominent

Question 25

LINGUAL VIEW: the mesial and distal fossa are on the side of the ________ ridge.

Answer 25

lingual

Question 26

MESIAL/DISTAL VIEW: on the mesial surface, the cusp tip is slightly _____ to the root bisector

Answer 26

facial

Question 27

MESIAL/DISTAL VIEW: on the mesial, the cervical line curves toward the….

Answer 27

cusp

Question 28

MESIAL/DISTAL VIEW: the CEJ has more curvature on which surface, mesial or distal?

Answer 28

mesial

Question 29

MESIAL/DISTAL VIEW: which marginal ridge is heavier on the distal rather than mesial view, MMR or DMR

Answer 29

DMR

Question 30

INCISAL VIEW: which tooth is the widest labiolingually

Answer 30

mx canines

Question 31

INCISAL VIEW: which half is thinner, mesial or distal

Answer 31

distal *thinner labiolingually, but wider mesiodistally

Question 32

INCISAL VIEW: which half is more convex, mesial or distal

Answer 32

mesial

Question 33

INCISAL VIEW: describe the “distal ear”

Answer 33

slight concavity on the facial surface of the distal half that stretches to reach the premolars

Question 34

INCISAL VIEW: wear facets are seen on which surface

Answer 34

lingual *diamond shaped pattern often found on cusp

Question 35

INCISAL VIEW: which contour is more curved, lingual or labial/facial

Answer 35

lingual *more of the lingual surface is visible from incisal view

Question 36

INCISAL VIEW: the cusp tip is _______ to the center labiolingually, and is _________ to the center mesiodistally.

Answer 36

labial; mesial

Question 37

Describe the root of mx canines

Answer 37

single, conical, apex is pointed/sharp

Question 38

The apex portion of mx canine roots usually points….

Answer 38

distally

Question 39

From the proximal view, a ____________ may be present on mx canines

Answer 39

longitudinal groove

Question 40

The root of mx canines are wider _______ than _______.

Answer 40

faciolingually; mesiodistally

Question 41

Describe the cross sectional view of mx canines

Answer 41

tapers from the labial toward the lingual

Question 42

The developmental depression seen on the mesial/distal view of mx canines is more pronounced on the….

Answer 42

distal

Question 43

How many root canals and pulp horns do mx canines have

Answer 43

1 root canal 1 pulp horn extending to cusp tip