Oral Anatomy: Anteriors Flashcards
Where is the greatest CEJ contour of all teeth?
Mesial of max central
T/F: The max central has the longest crown.
False
2nd to mand canine
T/F: Max central has the widest M-D of all anterior teeth.
True
Which teeth have the narrowest incisal embrasure of all max teeth?
Central incisors
How many developmental grooves are on the max central incisor?
4
T/F: From the occlusal view of a max central, the F-L dimension is greater than the M-D.
False
M-D dimension is greater from the occlusal
T/F: The cingulum of the max central leans slightly distal.
True
Which tooth is the least likely to have a divided root canal?
Max central incisor
Which is the most common tooth to have a palato-radicular groove?
Max lateral incisor
T/F: The max lateral is the most common congenitally missing tooth and variable tooth.
False
Third most common
T/F: The occlusal shapes of max centrals and laterals are the both triangular.
False
Max central: triangular
Max lateral: oval
Which tooth has the most developed lingual anatomy of anterior teeth?
Max lateral incisor
Most prominent cingulum, lingual pit, lingual concave surface
T/F: The root of the max central is longer than the max lateral root.
False
Same length
T/F: The max canine is the longest overall tooth, and has the longest cusp.
True
T/F: The max canine has a longer crown than the mand canine.
False
Third longest crown behind mand canine, and max central
Which anterior tooth is the widest buccal-lingually?
Max canine
T/F: The cusp tip of the max canine is centered over the root.
True
Which cusp ridge is the longest in the max canine?
Distal cusp ridge
Which surface of the max canine is the straighter surface?
Mesial
T/F: From the occlusal view of the max canine, the F-L dimension is greater than the M-D dimension.
True
Where is the cusp tip located on the max canine from the occlusal view?
Slightly M-F
T/F: The cingulum of the max canine is centered.
True
Prominent lingual ridge separates fossa into mesial and distal lingual fossae
The __________ has the longest root in the mouth.
max canine
Which is the first succedaneous tooth to erupt?
Mand central
T/F: The incisal edge of the mand central is centered over the long axis.
False
Slightly lingual
T/F: The F-L dimension of the mand central is greater than the M-L dimension, from the occlusal view.
True
Which side of the root of a mand central has a deeper depression?
Distal
T/F: The root of a mand central is longer than a max central.
True
What is the only anterior tooth to occlude with one tooth?
Mand central
The ________ is the second smallest tooth after the mand central.
mand lateral
The crown of a mand lateral is tilted _________.
distally
T/F: The mand lateral is wider F-L than M-D.
True
Which tooth has the longest root of all incisors?
Mand lateral
Which side of the root of a mand lateral has the deepest depression?
Mesial
Which tooth has the longest crown and is the second longest overall tooth?
Mand canine
Which tooth has the second longest root after the max canine?
Mand canine
Which canine has the most prominent facial ridge?
Max canine
T/F: Like the max canine, the mesial cusp ridge of the mand canine is shorter than the distal cusp ridge.
True
Which proximal surface of the mand canine is straight?
mesial
T/F: From the occlusal of the mand canine, the F-L dimension is wider than the M-D dimension.
True
Which two anterior teeth have a wider M-L dimension than F-L dimension when viewed from the occlusal?
Max central and lateral
T/F: The cingulum of the mand canine is slightly distal.
True
Which anterior tooth is most likely to have a bifurcated root?
Mand canine
The root of which anterior tooth may be mesially inclined?
Mand canine
