Maxillary Lateral Incisor Arch Traits

Question 1

Eruption stage of Max. L. Incisor

Answer 1

8-9 years

Question 2

at what age is the root completed

Answer 2

age 11

Question 3

what are the maxillary laterals also called?

Answer 3

gender teeth

-more rounded is more feminine

Question 4

size compared to centrals?

Answer 4

smaller except root may be longer but not always

Question 5

what part of the tooth is very rounded from the labial view?

Answer 5

MI and DI

-DI is more rounded because distal contacts are more cervically placed

Question 6

Mesial contact from labial view?

Answer 6

junction of incisal and middle 1/3

Question 7

Distal contact from labial view?

Answer 7

center of middle 1/3

Question 8

Root travels where from labial view?

Answer 8

tend to incline distally

Question 9

from the lingual view why is the MMR and DMR more prominent?

Answer 9

due to deeper fossa/pit

Question 10

CEJ shape from lingual view compared to C. Incisor

Answer 10

less curvature

Question 11

crest of curvature from mesial view

Answer 11

slightly more incisally placed compared to central (in cervical 1/3)

Question 12

from the distal view which ridge gives a thicker appearance?

Answer 12

the distal marginal ridge

Question 13

From the Incisal view the cingulum is where to the midline?

Answer 13

distal to midline

Question 14

Anomalies/Variations of max. incisors

Answer 14

labial outline-centrals can become tapered, squared, or ovid & laterals can become pegged
labial lobes-centrals have deep grooves
mamelons-vary in number
Cingulum- The central has a talon cusp which interferes with person closing