dental anatomy: central incisor practice

how many maxillary incisors are there?

4

whats the function of the maxillary incisors

to cut food

when does the maxillary central incisor erupt?

between the age of 7 - 8 and it’s the second permanent tooth to erupt

describe the distal margin

shorter & rounded

describe the mesial margin

sharp & meets incisal edge

describe the disoincisal angle

rounded

describe the mesioincisal angle

sharp

how many developmental grooves are there on the labial aspect?

2

where is the convexity located on the tooth in the labial aspect?

convexity is located on the cervical third

the ________ curvature of cervical line is more pronounced compared to any other tooth

mesial

state the symmetry of the crown profile

bilaterally symmetrical

state when’s the first evidence of calcification

3-4 months

at what age is the crown completed

4-5 years

at what age is root completion

10 years

state the crown length

10.5

state the mediodistal diameter at contact area

8.5

state the mesiodistal diameter at cervial line

7.0

state the labiolingual diameter at crest of curvature

7.0

state the labiolingual diameter at cervical line

6.0

state the curvature of central line in mesial side

3.5

state the curvature of central line in distal side

2.5

label

A = lingual fossa

B = cingulum

C = marginal ridges

D = lingual ridge