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Dental Anatomy > Deciduous Teeth > Flashcards

Deciduous Teeth Flashcards

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
Q

from the mesial and distal aspects, the maxillary deciduous central incisor’s root shows an ___

A

even taper

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26
Q

from the mesial and distal aspects, the maxillary deciduous central incisor has more pronounced _____

A

cervical ridges

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27
Q

from the incisal aspects, the maxillary deciduous central incisor’s ridge is ____ over main bulk and is ____

A
  • centered
  • straight
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28
Q

from the incisal aspects, the maxillary deciduous central incisor’s labial surface is ___ and ___ than the lingual surface

A

broader and smoother

29
Q

from the incisal aspects, the maxillary deciduous central incisor’s labial surface tapers toward ____

A

cingulum

30
Q

the maxillary deciduous lateral incisor is similar to the central incisor, only ___

A

smaller

31
Q

the maxillary deciduous lateral incisor’s cervicoincisal length is ____ than mesiodistal widtch

A

greater

32
Q

the maxillary deciduous lateral incisor’s root appears ___ in comparison to the crown

A

longer

33
Q

from the labial view of the maxillary deciduous canine, the crown is more constricted at the ____

A

cervix

34
Q

from the labial view of the maxillary deciduous canine, the mesial and distal surfaces are more ___

A

convex

35
Q

from the labial view of the maxillary deciduous canine, it has a long and well developed ___

A

cusp

36
Q

from the labial view of the maxillary deciduous canine, how does the crest of contour mesially compare to permanent maxillary canines?

A

it is not as far down as permanents

37
Q

from the labial view of the maxillary deciduous canine, the mesial cusp slope is ___ than distal

A

longer

38
Q

from the labial view of the maxillary deciduous canine, it’s root is ___ and ___, and more than ___ the length of the crown

A
  • long and slender
  • twice
39
Q

from the lingual view of the maxillary deciduous canine, pronounced enamel ridges ____

A

merge with others

40
Q

from the lingual view of the maxillary deciduous canine, it’s root tapers ____

A

evenly

41
Q

describe the ridges and grooves of the maxillary deciduous canine from the lingual aspect, going from distal to mesial

A
  • disto marginal ridge
  • distolingual developmental groove
  • lingual ridge connecting cusp tip and cingulum
  • mesiolingual developmental groove
  • mesial marginal ridge
42
Q

from the mesial view of the maxillary deciduous canine, the outline is similar to ____ and ____

A

lateral and central

43
Q

from the mesial view of the maxillary deciduous canine, it has a ____ labiolingual measurement at the cervical 1/3

A

greater

44
Q

the mesial view of the maxillary deciduous canine gives an appears of a ___

A

tooth on steroids

45
Q

T or F:

the distal view of the maxillary deciduous canine is just the reverse of the mesial view

A

true

46
Q

from the incisal aspect of the maxillary deciduous canine, it is ___ shaped

A

diamond

47
Q

from the mesial view of the maxillary deciduous canine, the tip of the cusp is ___ to the center of the crown

A

distal

48
Q

from the mesial view of the maxillary deciduous canine, the mesial slope is ___ than the distal slope

A

longer

49
Q

from the labial aspect of the mandibular deciduous central incisor, the surface is flat with no ___

A

developmental grooves

50
Q

from the labial aspect of the mandibular deciduous central incisor, the mesial and distal sides taper evenly from ____

A

contact areas

51
Q

from the labial aspect of the mandibular deciduous central incisor, the heavy look at the root trunk gives an appearance similar to the ___

A

maxillary permanent lateral incisor

52
Q

from the labial aspect of the mandibular deciduous central incisor, the root is ___ and evenly ___

A
  • long
  • tapered
53
Q

from the lingual aspect of the mandibular deciduous central incisor, the ___ and ___ can easily be seen

A

marginal ridges and cingulum

54
Q

from the lingual aspect of the mandibular deciduous central incisor, the lingual surface may have a ___ look at ___ to ___ 1/3

A
  • flattened
  • middle to incisal
55
Q

from the lingual aspect of the mandibular deciduous central incisor, there may be a slight concavity or ____

A

lingual fossa

56
Q

from the mesial aspect of the mandibular deciduous central incisor, the incisal ridge is centered over the center of the root and ____

A

labial and lingual crests of contour

57
Q

from the mesial aspect of the mandibular deciduous central incisor, the cerivcal bulges are ___

A

prominent

58
Q

from the mesial aspect of the mandibular deciduous central incisor, the labiolingual measurement is only ___mm smaller than maxillary central. this is important for ___

A
  • 1mm
  • strength
59
Q

T or F:

the distal view of the mandibular deciduous central incisor is the reverse of the mesial view

A

true

60
Q

from the distal aspect of the mandibular deciduous central incisor, a ____ on the distal side of the root is often seen

A

developmental depression

61
Q

from the incisal aspect of the mandibular deciduous central incisor, the edge is ___ and bisects the crown ____

A
  • straight
  • labiolingual
62
Q

from the incisal aspect of the mandibular deciduous central incisor, the lingual surface will taper toward the ___

A

cingulum

63
Q

from the incisal aspect of the mandibular deciduous central incisor, a flattened labial surface can be seen, only slightly ___ on the lingual

A

concage

64
Q

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

A
  • larger
  • labiolingual
65
Q

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 ___

A
  • distal
  • distal
  • lower
66
Q

the mandibular deciduous canine is very similar to the maxillary canine except the crown and root might be a little ____

A

shorter

67
Q

the mandibular deciduous canine’s cervical ridges are ____ as the maxillary canine

A

not as pronounced

68
Q

the mandibular deciduous canine’s distal slope is ___ than the mesial slope

A
  • longer
  • this aids in proper intercuspation

Dental Anatomy (11 decks)

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