Deciduous Teeth Flashcards
what is the order of eruption of deciduous teeth?
- central incisors
- lateral incisors
- first molars
- canines
- second molars
Mandibular before maxillary
order of exfoliation of deciduous teeth
- central incisors
- lateral incisors
- first molars
- canines
- second molars
mandibular before maxillary
high peak of attack of caries is at about ___ years of age when there are about __% of primaries left
- 13 years old
- 5%
primary teeth are completely finished for only ___ before root resportion begins
1-2 years
how many primary teeth are there?
20
- per arch:
- 4 incisors
- 2 canines
- 2 molars
differences between primary and permanent teeth:
primary teeth are ___ in dimension
smaller
differences between primary and permanent teeth:
primary crowns are ___ in comparison to length than permanent
wider
differences between primary and permanent teeth:
roots of anterior primary teeth are ___ and ___
narrower and longer
differences between primary and permanent teeth:
roots of primary molars are ___ and flare more so that _____
- longer
- permanents can develop between them
differences between primary and permanent teeth:
cervical ridges of primary anteriors are ___ prominent, requiring ____
- more
- more care in operative work
differences between primary and permanent teeth:
crowns and roots of primary teeth at cervix are ___ slender
more
differences between primary and permanent teeth:
cervical ridges on primary molars are much more ___, especially on ___
- pronounced
- 1st molars
differences between primary and permanent teeth:
buccal and lingual surfaces of primary teeth are ___ above cervical line
flatter
differences between primary and permanent teeth:
primary teeth are ___ pigmented, giving a ___ appearance
- less
- whiter
describe the enamel, dentin, and pulp of deciduous teeth
- enamel is thin with a consistent depth
- dentin is thin
- pulp horns are high with large pulp chambers
from the labial aspect, the maxillary deciduous central incisor’s mesiodistal measurement is ____ than cervicoincisal length
- greater
- this is the opposite of permanents
from the labial aspect, the maxillary deciduous central incisor labial surface is ___ and the incisal edge is nearly ___
- smooth
- straight
from the labial aspect, the maxillary deciduous central incisor’s root is ___ shaped, and the sides taper ___
- cone
- evenly
from the labial aspect, the maxillary deciduous central incisor’s root length is ___ in comparison to crown length
greater
from the labial aspect, the maxillary deciduous central incisor, the marginal ridges are ___
well developed
from the labial aspect, the maxillary deciduous central incisor has a highly developed ___, which extends into the concavity and divides it into ___
- cingulum
- fossae
from the labial aspect, the maxillary deciduous central incisor’s root narrows ___
lingually
from the mesial and distal aspects, the maxillary deciduous central incisor’s crown appears thicker at ____ and even on the ____
- middle 1/3
- incisal 1/3
from the mesial and distal aspects, the maxillary deciduous central incisor’s cervical crown curves toward the ____
- incisal
- this is less than on the permanent
from the mesial and distal aspects, the maxillary deciduous central incisor’s root shows an ___
even taper
from the mesial and distal aspects, the maxillary deciduous central incisor has more pronounced _____
cervical ridges
from the incisal aspects, the maxillary deciduous central incisor’s ridge is ____ over main bulk and is ____
- centered
- straight
from the incisal aspects, the maxillary deciduous central incisor’s labial surface is ___ and ___ than the lingual surface
broader and smoother
from the incisal aspects, the maxillary deciduous central incisor’s labial surface tapers toward ____
cingulum
the maxillary deciduous lateral incisor is similar to the central incisor, only ___
smaller
the maxillary deciduous lateral incisor’s cervicoincisal length is ____ than mesiodistal widtch
greater
the maxillary deciduous lateral incisor’s root appears ___ in comparison to the crown
longer
from the labial view of the maxillary deciduous canine, the crown is more constricted at the ____
cervix
from the labial view of the maxillary deciduous canine, the mesial and distal surfaces are more ___
convex
from the labial view of the maxillary deciduous canine, it has a long and well developed ___
cusp
from the labial view of the maxillary deciduous canine, how does the crest of contour mesially compare to permanent maxillary canines?
it is not as far down as permanents
from the labial view of the maxillary deciduous canine, the mesial cusp slope is ___ than distal
longer
from the labial view of the maxillary deciduous canine, it’s root is ___ and ___, and more than ___ the length of the crown
- long and slender
- twice
from the lingual view of the maxillary deciduous canine, pronounced enamel ridges ____
merge with others
from the lingual view of the maxillary deciduous canine, it’s root tapers ____
evenly
describe the ridges and grooves of the maxillary deciduous canine from the lingual aspect, going from distal to mesial
- disto marginal ridge
- distolingual developmental groove
- lingual ridge connecting cusp tip and cingulum
- mesiolingual developmental groove
- mesial marginal ridge
from the mesial view of the maxillary deciduous canine, the outline is similar to ____ and ____
lateral and central
from the mesial view of the maxillary deciduous canine, it has a ____ labiolingual measurement at the cervical 1/3
greater
the mesial view of the maxillary deciduous canine gives an appears of a ___
tooth on steroids
T or F:
the distal view of the maxillary deciduous canine is just the reverse of the mesial view
true
from the incisal aspect of the maxillary deciduous canine, it is ___ shaped
diamond
from the mesial view of the maxillary deciduous canine, the tip of the cusp is ___ to the center of the crown
distal
from the mesial view of the maxillary deciduous canine, the mesial slope is ___ than the distal slope
longer
from the labial aspect of the mandibular deciduous central incisor, the surface is flat with no ___
developmental grooves
from the labial aspect of the mandibular deciduous central incisor, the mesial and distal sides taper evenly from ____
contact areas
from the labial aspect of the mandibular deciduous central incisor, the heavy look at the root trunk gives an appearance similar to the ___
maxillary permanent lateral incisor
from the labial aspect of the mandibular deciduous central incisor, the root is ___ and evenly ___
- long
- tapered
from the lingual aspect of the mandibular deciduous central incisor, the ___ and ___ can easily be seen
marginal ridges and cingulum
from the lingual aspect of the mandibular deciduous central incisor, the lingual surface may have a ___ look at ___ to ___ 1/3
- flattened
- middle to incisal
from the lingual aspect of the mandibular deciduous central incisor, there may be a slight concavity or ____
lingual fossa
from the mesial aspect of the mandibular deciduous central incisor, the incisal ridge is centered over the center of the root and ____
labial and lingual crests of contour
from the mesial aspect of the mandibular deciduous central incisor, the cerivcal bulges are ___
prominent
from the mesial aspect of the mandibular deciduous central incisor, the labiolingual measurement is only ___mm smaller than maxillary central. this is important for ___
- 1mm
- strength
T or F:
the distal view of the mandibular deciduous central incisor is the reverse of the mesial view
true
from the distal aspect of the mandibular deciduous central incisor, a ____ on the distal side of the root is often seen
developmental depression
from the incisal aspect of the mandibular deciduous central incisor, the edge is ___ and bisects the crown ____
- straight
- labiolingual
from the incisal aspect of the mandibular deciduous central incisor, the lingual surface will taper toward the ___
cingulum
from the incisal aspect of the mandibular deciduous central incisor, a flattened labial surface can be seen, only slightly ___ on the lingual
concage
the mandibular deciduous lateral incisor’s outlines are similar to the central, only this tooth is ___ than the central except for the ___ measurement, which is about the same
- larger
- labiolingual
from the incisal aspect of the mandibular deciduous central incisor, it’s incisal ridge tends to slope downward ___ so that the contact area on the ___ is ___
- distal
- distal
- lower
the mandibular deciduous canine is very similar to the maxillary canine except the crown and root might be a little ____
shorter
the mandibular deciduous canine’s cervical ridges are ____ as the maxillary canine
not as pronounced
the mandibular deciduous canine’s distal slope is ___ than the mesial slope
- longer
- this aids in proper intercuspation
