Dental Anatomy > Deciduous Teeth > Flashcards

Deciduous Teeth Flashcards

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1
Q

what is the order of eruption of deciduous teeth?

A
  1. central incisors
  2. lateral incisors
  3. first molars
  4. canines
  5. second molars

Mandibular before maxillary

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2
Q

order of exfoliation of deciduous teeth

A
  1. central incisors
  2. lateral incisors
  3. first molars
  4. canines
  5. second molars

mandibular before maxillary

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3
Q

high peak of attack of caries is at about ___ years of age when there are about __% of primaries left

A
  • 13 years old
  • 5%
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4
Q

primary teeth are completely finished for only ___ before root resportion begins

A

1-2 years

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5
Q

how many primary teeth are there?

A

20

  • per arch:
  • 4 incisors
  • 2 canines
  • 2 molars
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6
Q

differences between primary and permanent teeth:

primary teeth are ___ in dimension

A

smaller

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7
Q

differences between primary and permanent teeth:

primary crowns are ___ in comparison to length than permanent

A

wider

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8
Q

differences between primary and permanent teeth:

roots of anterior primary teeth are ___ and ___

A

narrower and longer

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9
Q

differences between primary and permanent teeth:

roots of primary molars are ___ and flare more so that _____

A
  • longer
  • permanents can develop between them
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10
Q

differences between primary and permanent teeth:

cervical ridges of primary anteriors are ___ prominent, requiring ____

A
  • more
  • more care in operative work
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11
Q

differences between primary and permanent teeth:

crowns and roots of primary teeth at cervix are ___ slender

A

more

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12
Q

differences between primary and permanent teeth:

cervical ridges on primary molars are much more ___, especially on ___

A
  • pronounced
  • 1st molars
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13
Q

differences between primary and permanent teeth:

buccal and lingual surfaces of primary teeth are ___ above cervical line

A

flatter

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14
Q

differences between primary and permanent teeth:

primary teeth are ___ pigmented, giving a ___ appearance

A
  • less
  • whiter
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15
Q

describe the enamel, dentin, and pulp of deciduous teeth

A
  • enamel is thin with a consistent depth
  • dentin is thin
  • pulp horns are high with large pulp chambers
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16
Q

from the labial aspect, the maxillary deciduous central incisor’s mesiodistal measurement is ____ than cervicoincisal length

A
  • greater
  • this is the opposite of permanents
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17
Q

from the labial aspect, the maxillary deciduous central incisor labial surface is ___ and the incisal edge is nearly ___

A
  • smooth
  • straight
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18
Q

from the labial aspect, the maxillary deciduous central incisor’s root is ___ shaped, and the sides taper ___

A
  • cone
  • evenly
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19
Q

from the labial aspect, the maxillary deciduous central incisor’s root length is ___ in comparison to crown length

A

greater

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20
Q

from the labial aspect, the maxillary deciduous central incisor, the marginal ridges are ___

A

well developed

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21
Q

from the labial aspect, the maxillary deciduous central incisor has a highly developed ___, which extends into the concavity and divides it into ___

A
  • cingulum
  • fossae
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22
Q

from the labial aspect, the maxillary deciduous central incisor’s root narrows ___

A

lingually

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23
Q

from the mesial and distal aspects, the maxillary deciduous central incisor’s crown appears thicker at ____ and even on the ____

A
  • middle 1/3
  • incisal 1/3
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24
Q

from the mesial and distal aspects, the maxillary deciduous central incisor’s cervical crown curves toward the ____

A
  • incisal
  • this is less than on the permanent
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25
from the mesial and distal aspects, the maxillary deciduous central incisor's root shows an \_\_\_
even taper
26
from the mesial and distal aspects, the maxillary deciduous central incisor has more pronounced \_\_\_\_\_
cervical ridges
27
from the incisal aspects, the maxillary deciduous central incisor's ridge is ____ over main bulk and is \_\_\_\_
* centered * straight
28
from the incisal aspects, the maxillary deciduous central incisor's labial surface is ___ and ___ than the lingual surface
broader and smoother
29
from the incisal aspects, the maxillary deciduous central incisor's labial surface tapers toward \_\_\_\_
cingulum
30
the maxillary deciduous lateral incisor is similar to the central incisor, only \_\_\_
smaller
31
the maxillary deciduous lateral incisor's cervicoincisal length is ____ than mesiodistal widtch
greater
32
the maxillary deciduous lateral incisor's root appears ___ in comparison to the crown
longer
33
from the labial view of the maxillary deciduous canine, the crown is more constricted at the \_\_\_\_
cervix
34
from the labial view of the maxillary deciduous canine, the mesial and distal surfaces are more \_\_\_
convex
35
from the labial view of the maxillary deciduous canine, it has a long and well developed \_\_\_
cusp
36
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
37
from the labial view of the maxillary deciduous canine, the mesial cusp slope is ___ than distal
longer
38
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
39
from the lingual view of the maxillary deciduous canine, pronounced enamel ridges \_\_\_\_
merge with others
40
from the lingual view of the maxillary deciduous canine, it's root tapers \_\_\_\_
evenly
41
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
42
from the mesial view of the maxillary deciduous canine, the outline is similar to ____ and \_\_\_\_
lateral and central
43
from the mesial view of the maxillary deciduous canine, it has a ____ labiolingual measurement at the cervical 1/3
greater
44
the mesial view of the maxillary deciduous canine gives an appears of a \_\_\_
tooth on steroids
45
T or F: the distal view of the maxillary deciduous canine is just the reverse of the mesial view
true
46
from the incisal aspect of the maxillary deciduous canine, it is ___ shaped
diamond
47
from the mesial view of the maxillary deciduous canine, the tip of the cusp is ___ to the center of the crown
distal
48
from the mesial view of the maxillary deciduous canine, the mesial slope is ___ than the distal slope
longer
49
from the labial aspect of the mandibular deciduous central incisor, the surface is flat with no \_\_\_
developmental grooves
50
from the labial aspect of the mandibular deciduous central incisor, the mesial and distal sides taper evenly from \_\_\_\_
contact areas
51
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
52
from the labial aspect of the mandibular deciduous central incisor, the root is ___ and evenly \_\_\_
* long * tapered
53
from the lingual aspect of the mandibular deciduous central incisor, the ___ and ___ can easily be seen
marginal ridges and cingulum
54
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
55
from the lingual aspect of the mandibular deciduous central incisor, there may be a slight concavity or \_\_\_\_
lingual fossa
56
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
57
from the mesial aspect of the mandibular deciduous central incisor, the cerivcal bulges are \_\_\_
prominent
58
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
59
T or F: the distal view of the mandibular deciduous central incisor is the reverse of the mesial view
true
60
from the distal aspect of the mandibular deciduous central incisor, a ____ on the distal side of the root is often seen
developmental depression
61
from the incisal aspect of the mandibular deciduous central incisor, the edge is ___ and bisects the crown \_\_\_\_
* straight * labiolingual
62
from the incisal aspect of the mandibular deciduous central incisor, the lingual surface will taper toward the \_\_\_
cingulum
63
from the incisal aspect of the mandibular deciduous central incisor, a flattened labial surface can be seen, only slightly ___ on the lingual
concage
64
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
65
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
66
the mandibular deciduous canine is very similar to the maxillary canine except the crown and root might be a little \_\_\_\_
shorter
67
the mandibular deciduous canine's cervical ridges are ____ as the maxillary canine
not as pronounced
68
the mandibular deciduous canine's distal slope is ___ than the mesial slope
* longer * this aids in proper intercuspation
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