upper central permanent incisor Flashcards
what are the tiny bumps present on incisal edges called?
mamelons
when does the upper central permanent incisor erupt?
8 years
when does the upper central incisor start to calcify?
3-4 months
when is the root completed of the upper central incisor?
Root complete 10 years
pulp morphology of upper central permanent incisor?
In cross section- canal is round towards apex.
what happens with age to the pulp chamber and root canal ?
With age, pulp chamber and root canal reduces in size due to 2ndary dentine
what is a possible abnormality of upper incisors?
Peg - shaped lateral
Partial anodontia
the root of an incisor is approximately how man times of the root?
one and a half
the labial surface of an upper permanent central incisor has how many shallow grooves near the incisor edge?
two
the palatal surface of an upper permanent central incisor has a marked bulge near the cervical margin called ?
a cingulum
the palatal surface of an upper permanent incisor is bounded mesially and distally by two roots by two what?
marginal ridges