Maxillary Canines Flashcards
Canines=_______=________.
cuspids; eye teeth (slang)
Canines can sometimes be referred to as “______________”.
the cornerstones of the mouth
Which teeth are the longest in the permanent dentition?
canines *anchored by their long roots
mx canines are usually longer than mn
Canine eminence
thick labial bony plate
Canines are the most stable teeth in the mouth because of ….
-self cleaning qualities
-smooth pointed shape
-thick crown
-strong anchorage (long roots)
What is the canine form from the facial and the proximal?
facial- pentagonal
proximal- triangular
List the functions of permanent canines
-holding, tearing, grasping
-cut pierce or shear food
-supports muscles of lips and cheeks
-protect (separate) posterior teeth during mandibular movements (called canine guidance)
List the clinical significances of permanent canines
-good abutment tooth (for implants)
-forms facial image
-guidepost (canine guidance)
-often last tooth to be lost to periodontal disease
When do the mx canines…
calcify
erupt
root complete
calcify- 4months
erupt- 11-12yrs old
root completion- 13-15yrs old
Where is the height of contour for mx canines?
cervical 1/3rd
Which incisal cusp ridge of mx canines is shorter- mesial or distal
mesial
FACIAL VIEW: where is the mesial contact area?
junction of incisal and middle 1/3rd
FACIAL VIEW: where is the distal contact area?
middle 1/3rd
FACIAL VIEW: compared to mx central incisors, mx canines crown and root are ________ mesiodistally.
narrower
FACIAL VIEW: the cervical line crests slightly ______ to the center of the tooth.
mesial
FACIAL VIEW: describe the mesial outline
straighter with a slight convexity at the contact area
FACIAL VIEW: describe the distal outline
rounded, shorter than mesial, concave from the contact to the cervical line
FACIAL VIEW: describe the distal bulge
convex tooth structure, extends beyond the root outline
FACIAL VIEW: are imbrication lines usually present?
yes; in the cervical 1/3rd of the crown
LINGUAL VIEW: the lingual sides of the crown are _________ than the labial/facial.
narrower
LINGUAL VIEW: which surface shows more curvature of the cervical line, lingual or labial/facial?
lingual
LINGUAL VIEW: which tooth has the largest cingulum of all anterior teeth?
maxillary canines
LINGUAL VIEW: describe the lingual ridge
well developed
runs from cusp tip to cingulum
LINGUAL VIEW: describe the marginal ridges
bulky
MMR- longer than distal
DMR- more prominent
LINGUAL VIEW: the mesial and distal fossa are on the side of the ________ ridge.
lingual
MESIAL/DISTAL VIEW: on the mesial surface, the cusp tip is slightly _____ to the root bisector
facial
MESIAL/DISTAL VIEW: on the mesial, the cervical line curves toward the….
cusp
MESIAL/DISTAL VIEW: the CEJ has more curvature on which surface, mesial or distal?
mesial
MESIAL/DISTAL VIEW: which marginal ridge is heavier on the distal rather than mesial view, MMR or DMR
DMR
INCISAL VIEW: which tooth is the widest labiolingually
mx canines
INCISAL VIEW: which half is thinner, mesial or distal
distal *thinner labiolingually, but wider mesiodistally
INCISAL VIEW: which half is more convex, mesial or distal
mesial
INCISAL VIEW: describe the “distal ear”
slight concavity on the facial surface of the distal half that stretches to reach the premolars
INCISAL VIEW: wear facets are seen on which surface
lingual *diamond shaped pattern often found on cusp
INCISAL VIEW: which contour is more curved, lingual or labial/facial
lingual *more of the lingual surface is visible from incisal view
INCISAL VIEW: the cusp tip is _______ to the center labiolingually, and is _________ to the center mesiodistally.
labial; mesial
Describe the root of mx canines
single, conical, apex is pointed/sharp
The apex portion of mx canine roots usually points….
distally
From the proximal view, a ____________ may be present on mx canines
longitudinal groove
The root of mx canines are wider _______ than _______.
faciolingually; mesiodistally
Describe the cross sectional view of mx canines
tapers from the labial toward the lingual
The developmental depression seen on the mesial/distal view of mx canines is more pronounced on the….
distal
How many root canals and pulp horns do mx canines have
1 root canal
1 pulp horn extending to cusp tip
