Upper teeth Flashcards
(Primary) Second tooth to erupt?
Upper central primary incisor
erupts at 8-12th month
Upper central primary incisor
Only tooth where the
mesiodistal diameter is greater than the cervicoincisal length
Upper central primary incisor
squatted aspect
Upper central primary incisor crown labial surface:
incisor edge is _____ ______
nearly straight
Upper central primary incisor crown labial surface:
cervical ridge is ____
obvious
Upper central primary incisor crown labial surface:
development grooves are _____ _____ and the labial surface is very ______
not seen
smooth
Upper central primary incisor crown labial surface:
mesioincisal angle is a _____
right angle
Upper central primary incisor crown labial surface:
disalincisal angle is _____ & _____
round and obtuse
Upper central primary incisor crown labial surface:
Medial surface is ______ and converges towards the ____ _____
straight
main axis
Upper central primary incisor crown labial surface:
distal surface is ______ all along
convex
Upper central primary incisor crown lingual surface:
_____ marginal ridges
well-developed
Upper central primary incisor crown lingual surface:
cingulum development?
highly developed
Upper central primary incisor crown lingual surface:
lingual fossa is ____ and divided into ___ parts by ______
lingual fossa is small and divided into 2 parts by lingual axis ridge
Upper central primary incisor crown lingual surface:
_____ in cervical third
convex
Upper central primary incisor crown mesial and distal surface:
cervical aspect is _____ while incisal aspect is ____
cervical thicker
incisal thinner
Upper central primary incisor crown mesial and distal surface:
The crown appears ____ at the _____ third and even toward the _____ third.
appears thick at middle third
toward incisal third
The curvature of cervical line, represents the
cementoenamel junction (CEJ)
Upper central primary incisor crown mesial and distal surface:
cementoenamel junction/curvature of cervical line curves towards the _____ (2)?
incisal ridge
Upper central primary incisor crown mesial and distal surface:
mesial is ____ than the distal
longer
Upper central primary incisor incisal aspect:
relatively _____
straight
Upper central primary incisor incisal aspect:
labial surface is much _____ & ______ than the lingual
broader and smoother
Upper central primary incisor root:
shape?
cone
Upper central primary incisor root:
cross section shape?
cross section = triangle
Upper central primary incisor root:
deviation of apex towards ? (2)
buccal and distal
Upper central primary incisor root:
pulp chamber?
follows external morphology
Upper central primary incisor root:
Pulp horns?
Accentuated
Mesial most accentuated
Upper lateral primary incisor:
compared to central incisor? (2)
- very similar
- crown smaller in every direction
erupts at 9-13th month
central lateral primary incisor
Upper central primary incisor crown labial surface:
cervico-incisal length is ___ than mesio-distal diameter
greater
Upper central primary incisor crown labial surface:
distoincisal angle is ____
rounder
Upper central primary incisor crown labial surface:
mesial angle is _____
acute
Upper central primary incisor crown labial surface:
surface is _____
flatter
Upper central primary incisor crown labial surface:
mesial surface starts _____ and then angles towards the ____
straight
long axis
Upper central primary incisor crown labial surface:
distal surface?
convex all along
Upper central primary incisor crown lingual surface:
Cingulum development?
less accentuated
Upper central primary incisor crown labial surface:
marginal ridge development?
well developed
Upper central primary incisor crown labial surface:
central ridge?
no central ridge
Upper central primary incisor crown labial surface:
concave or convex?
slightly convex
Upper central primary incisor crown mesial and distal surface:
concave or convex?
convex surfaces
Upper central primary incisor crown mesial and distal surface:
Great ______ diameter at the cervix
labiopalatal
Upper central primary incisor crown mesial and distal surface:
incisal border shape?
triangular
Upper central primary incisor crown incisal surface?
2
- similar to central
- smaller and narrower than central
Upper central primary incisor root:
apex deviated towards ___ & _____
buccal and distal
Upper central primary incisor root:
Slightly squatted in _____ direction
mesio-distal
Upper central primary incisor root:
Much ______ in proportion to its crown than the central incisor ratio
longer
Upper central primary incisor pulp chamber? (2)
- It follows the external morphology
- The mesial pulp horn is more accentuated
Conic and bulky crown
Upper primary canine
Erupts at 16-22nd month
Upper primary canine
One of the first teeth where we see physiological abrasion
Upper primary canine
Upper primary canine crown labial surface:
crown is more constricted at the ____ in relation to the _____ width
cervix in relation to the mesio-distal width