Mandibular Canines Flashcards
When do mn canines….
calcify
erupt
root complete
calcify- 4 months
erupt- 9-10yrs old
root completion- 13yrs old
Which crown is longer incisogingivally, maxillary canine or mandibular canine?
mandibular canine
Which root is shorter, maxillary canine or mandibular canine
mandibular canine *overall length mostly the same due to longer crown
When looking at the OVERALL size, which tooth is smaller, mx canine or mn canine
mn canine usually smaller
Compared to mx canines, mn canines have a ______ developed lingual surface.
less
Where is the height of contour for mn canines (for the facial and lingual)
both are cervical 1/3rd
FACIAL VIEW: are imbrication lines usually present on mn canines?
no
FACIAL VIEW: similar to mx canine, mn canines have ______ mesial outlines with a ______ mesioincisal angle.
straight; sharp
FACIAL VIEW: similar to mx canines, mn canines have ______ distal outlines with a ______ distoincisal angle.
covex; rounded
FACIAL VIEW: compared to mx canines, mn canines have a more _______ cervical line.
symmetrical
FACIAL VIEW: the height of contour is more prominent and farther from the CEJ on which canine, mx or mn
maxillary canine
FACIAL VIEW: where is the mesial contact area?
incisal 1/3rd
FACIAL VIEW: where is the distal contact area?
junction of incisal and middle 1/3rd
compared to mx canines, mn canines cusp tips are not as…..
long or sharp
FACIAL VIEW: which cusp ridge is shorter, mesial or distal
mesial *almost horizontal
LINGUAL VIEW: compared to mx canines, mn canines have a _______ lingual surface.
smoother
LINGUAL VIEW: compared to mx canines, mn canines incisal portion is ________.
thinner
LINGUAL VIEW: describe the cingulum of mn canines
often distal to center
less developed than mx canines
LINGUAL VIEW: which marginal ridge appears longer, MMR or DMR
MMR
The CEJ height of contour appears greater on the mesial or distal?
mesial
INCISAL VIEW: the cusp tip is ______ to the root bisector
lingual (may be centered)
INCISAL VIEW: which surface can be seen more from this view, facial or lingual
facial
INCISAL VIEW: compared to mx canines, mn canines have a more ______ incisal view.
symmetrical
INCISAL VIEW: incisal wear appears on the….
facial
Describe the root of mn canines
single, straight, 2nd longest in the mouth
Which vertical root depression of mn canines is more prominent, mesial or distal?
distal (*more prominent than on mx canines)
True or false: mn canine roots may bifurcate in the apical 1/3
True *one facial one lingual
Describe the pulp chamber and pulp horns of mn canines
-large pulp chamber
-1 pulp horn
How many root canals do mn canines have
-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
OVERALL compared to mx canines, mn canines may have….
-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
