Dental Anatomy Anterior Teeth

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4

How many developmental lobes do anterior teeth have?

developmental depressons

On the labial surface of anterior teeth these outline the separations among the labial developmental lobes.

cingulum

Lingual lobe of an anterior tooth

marginal ridge

the lingual surface on anteriors is bordered mesially and distally on each side by a rounded raised bordered

fossa

Some anteriors have a more complex lingual surface with shallow, wide depressions

developmental pits

pits on the lingual surface of anterior teeth, located in the deepest part of the fossa

developmental groove

a sharp, deep, V-shaped linear depression that marks the junction among the developmental lobes

supplemental groove

a shallower, more irregular linear depression may also be present on the lingual surface of anteriors

mamelons

rounded enamel extensions on the incisal ridge from the labial and lingual views, they are extensions from the three labial developmental lobes

Cervical third

This is wehere the height of contour for both labial and lingual surfaces of all anteriors is found

Maxillary incisors

each of these teeth has a crown that is larger in all dimensions especially mesioditally, when compared with a mandibular.

Maxillary incisors

The incisal edge of these teeth is just labial to the long axis of the root from either proximal view

Wider

Both types of maxillary incisors are _____ mesiodistally than labiolingually.

7 to 8

At what age do the maxillary central incisors erupt?

10

This is the age at which the roots are completed for permanent maxillary central incisors

Permanent 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

pulp horns

What are the three pulp chambers of the central incisors called?

imbrication lines

the slight ridges that run mesiodistally in the cervical third of anteriors

rounder

The distal outline of the maxillary central incisor is different form the mesial outline because it is _________

cingulum

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?

11

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?

10

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?

9

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?

13

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

mandibular canine

This permanent anterior tooth can have 1 or 2 roots

maxillary incisors

these permanent anterior teeth has a conical root with no grooves

mandibular central incisors

these permanent anterior teeth occlude with only one opposing tooth

mandibular incisors

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

canines

these anterior teeth have th longest roots

maxillary canines

these canines have a larger cingulum when compared with canines from the opposing arch

mandibular canines

these canines have thinner marginal ridges when compared with canines from the opposing arch

maxillary canines

these canines are wider (mesiodistally) when compared with canines from the opposing arch

canines

these anterior teeth are wider labiolingually than mesiodistastally

mandibular canines

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

maxillary canine

these canines have a sharper cusp tip when compared with canines from the opposing arch

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