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Dental Anatomy Anterior Teeth
How many developmental lobes do anterior teeth have?
On the labial surface of anterior teeth these outline the separations among the labial developmental lobes.
Lingual lobe of an anterior tooth
the lingual surface on anteriors is bordered mesially and distally on each side by a rounded raised bordered
Some anteriors have a more complex lingual surface with shallow, wide depressions
pits on the lingual surface of anterior teeth, located in the deepest part of the fossa
a sharp, deep, V-shaped linear depression that marks the junction among the developmental lobes
a shallower, more irregular linear depression may also be present on the lingual surface of anteriors
rounded enamel extensions on the incisal ridge from the labial and lingual views, they are extensions from the three labial developmental lobes
This is wehere the height of contour for both labial and lingual surfaces of all anteriors is found
each of these teeth has a crown that is larger in all dimensions especially mesioditally, when compared with a mandibular.
The incisal edge of these teeth is just labial to the long axis of the root from either proximal view
Both types of maxillary incisors are _____ mesiodistally than labiolingually.
7 to 8
At what age do the maxillary central incisors erupt?
This is the age at which the roots are completed for permanent maxillary central incisors
These teeth have a sharp mesioincisal angle, more rounded distoincisal angle and a more pronounced mesial CEJ curvature
8 and 9
These are the numbers for permanent maxillary central incisors
7 and 10
These are the numbers for permanent maxillary lateral incisors
24 and 25
These are the numbers for permanent mandibular central incisors
23 and 26
These are the numbers for permanent mandibular lateral incisors
What are the three pulp chambers of the central incisors called?
the slight ridges that run mesiodistally in the cervical third of anteriors
The distal outline of the maxillary central incisor is different form the mesial outline because it is _________
On the lingual surface of the maxillary central incisor this feature is well developed and located slightly off center toward the distal.
8 to 9
At what age do the permanent maxillalry lateral incisors erupt?
This is the age at which the roots are completed for permanent maxillary lateral incisors
6 to 7
At what age do the permanent mandibular central incisors erupt?
This is the age at which the roots are completed for permanent mandibular lateral incisors
7 to 8
At what age do the permanent mandibular lateral incisors erupt?
This is the age at which the roots are completed for permanent mandibular central incisors
11 to 12
At what age for the permanent maxillary canines erupt?
This is the age at which the roots are completed for permanent mandibular canines
9 to 10
At what age do the permanent mandibular canines erupt?
13 to 15
This is the age at which the roots are completed for permanent maxillary canines
This permanent anterior tooth can have 1 or 2 roots
these permanent anterior teeth has a conical root with no grooves
mandibular central incisors
these permanent anterior teeth occlude with only one opposing tooth
these permanent anterior teeth have less prominent lingual structures
mandibular lateral incisors
the crown of these anterior teeth appears rotated on its root axis
maxillary lateral incisors
these anterior teeth often have a lingual pit
these anterior teeth have th longest roots
these canines have a larger cingulum when compared with canines from the opposing arch
these canines have thinner marginal ridges when compared with canines from the opposing arch
these canines are wider (mesiodistally) when compared with canines from the opposing arch
these anterior teeth are wider labiolingually than mesiodistastally
these canines have contact areas that are more incisally located when compared with canines from the opposing arch
6 and 11
These are the numbers for permanent maxillary canines
22 and 27
These are the numbers for permanent mandibular canines
these canines have a sharper cusp tip when compared with canines from the opposing arch