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dental anatomy > primary dentition > Flashcards

primary dentition Flashcards

1
Q

order the eruption sequence of primary dentition

lateral incisors

central incisor

Second molars

canines

primary molars

A

Central incisors 

Lateral incisors 

First molars (“One year molars”) 

Canines 

Second molars (“Two year molars”)

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2
Q

very similar in form to permanent counterparts, but smaller and less pronounced morphologic features

A

incisor

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3
Q

tf incisors primary teeth have no mammelons

A

T

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4
Q

crown of incisors (primary)

A

appear squatted

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5
Q

tf primary incisors onlhave buccal cervical ridges

A

F

buccal and cervical ridges

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6
Q

incisor primary teeth

A

mesial CEJ more incisally positioned than distal

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7
Q

roots of incisor(primary teeth)

A

narrow and pointed

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8
Q

—- angle of lower lateral incisor (primary) quite rounded

A

DI angle of lower lateral incisor (primary) quite rounded

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9
Q

diamond shaped crown4

A

– maxillary canine primary teeth

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10
Q

diff between maxillary canine and permanent max canine

A

max canine

has longer mesial cusp ridge (slope) than distal slope

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11
Q

maxillary canine (primary) has marked —- and —- cervical bulges

A

maxillary canine has marked facial and lingual cervical bulges

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12
Q

arrow-shaped crown

A

primary mandibular canine

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13
Q

mandib canine(primary tooth)

A

mandibular canine has shorter mesial slope than distal slope

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14
Q

more slender with less prominent marginal ridges on lingual aspect

A

primary mandib canine

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15
Q

basically resembles maxillary premolar

A

max 1st molar

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16
Q

major cusps of max 1st molar

A

MB and Ml

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17
Q

DB and DL cusps

A

insig in size of max first molar

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18
Q

largest cusp of max 1st molar

A

MB

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19
Q

tf max 1st molar crown is more wide occlusocervically than mesiodistally

A

F

crown wider mesiodistally than occlusocervically

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20
Q

primary max 1st molar

prominent —– and —– cervical heights of contour (bulges)

A

 prominent B & L cervical heights of contour (bulges)

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21
Q

slender and flared

A

roots of max 1st molar

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22
Q

how many roots are on primary 1st molar

A

3

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23
Q

tf primary 1st molar has a huge root trunk

A

F

small root trunk

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24
Q

morphologically identical to permanent maxillary 1st molar including cusp of Carabelli;

A

primary max 2nd molar

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25
Q

smaller and squatter than permanent maxillary 1st molar

A

primary maxillary 2nd molar

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26
Q

roots of primary max 2nd molar

A

more flared and slender

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27
Q

small rot trunk

A

prrimary max 2nd molar

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28
Q

primary max 2nd molar

A

greatest faciolingual diameter of all primary teeth

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29
Q

tf primary max 2nd molar is smaller than primary 1st molar

A

f

larger than primary 1st molar

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30
Q

primary mandib 2nd molar

A

identical to permanent mandibular 1st molar

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31
Q

primary mandib 2nd molar

A

smaller and squatter than permanent mandibular 1st molar

32
Q

cervical bulges and constriction

A

primary mand 2nd molar

33
Q

more flared and slender than permanent 1st molar

A

roots of primary mandib 2nd molar

34
Q

how many roots for primary mandib 2nd molars

A

2

M and D

35
Q

small root trunk

A

primary mandib 2nd molar

36
Q

tf primary teeth are darker than perament teeth

A

F

lighter

37
Q

have more pronounced cervical ridges (

primary teeth or permanent

A

primary teeth

38
Q

more constricted at the cervix (neck)

primary or permanent

A

primary teeth

39
Q

tf crown roots are long and narrow in relation to crown width and length

A

T

40
Q

most unique primary tooth morphologically

A

primary mandibular first molar

41
Q

Primary teeth are smaller in overall dimensions

A

to permanent teeth

42
Q

large pulps with long pulp horns

A

primary teeth

43
Q

more flared and slender roots which extend beyond the crown outlines, thus allowing space for the growth and development of the succeeding permanent teeth

A

primary molar

44
Q

primary molars

A

short root trunks

and furcation areas approaching the CEJ

45
Q

tf Primary pre-molars have buccal and lingual surfaces that are more convergent occlusally, result in narrow occlusal table

A

f

Primary molars have buccal and lingual surfaces that are more convergent occlusally

46
Q

correct the statement

primary teeth; thin enamel with dispersed thickness

A

primary teeth; thin enamel with consistent thickness

47
Q

difference between primary molar and permanent molars

A

enamel rods of primary molars at the CEJ point occlusally rather than gingivally as with permanent molars

48
Q

tf

Primary teeth have lot of dentin between pulp and dentino-enamel junction (DEJ)

A

F

Primary teeth have little dentin between pulp and dentino-enamel junction (DEJ)

49
Q

comparatively longer and narrower roots with respect to their crowns

A

primary ant teeth

50
Q

primary ant teeth vs permanent ant teeth

A

primary ant teeth

appear wider mesiodistally and shorter occlusocervically

51
Q

lack mammelons on incisal ridge

A

primary ant teeth

52
Q

tf The teeth of children and young people are more sensitive than the teeth of older people to thermal change and dental operative procedures

A

t

53
Q

leeway space

A

Primary molars are wider mesiodistally than the premolars that replace them

54
Q

leeway space

A

allows space for some mesial movement of the permanent first molars as the premolars erupt

55
Q

As jaws grow, spacing between —- ——occurs thus providing room for the larger permanent successors to erupt

A

As jaws grow, spacing between primary anteriors occurs thus providing room for the larger permanent successors to erupt

56
Q

erupt at age 7-8

A

lower lat inc

upper central inc

57
Q

upper m1 and lower canine

A

erupt at age 9-10

58
Q

erupt at age 6-7

A

lower m1 and Central incisor

59
Q

erupt at age 10-12

A

lower p1

upper P2

60
Q

erupt at 17-21

A

m3 up and down

61
Q

erupt at age 11-12

A

upper canine

and lower P2

62
Q

erupt at age 11-13

A

lower M2

63
Q

erupt at age 12-13

A

upper M2

64
Q

erupt at age 10-11

A

upper P1

65
Q

lat inc of upp

A

erupt at 8-9

66
Q

primary teeth

A

Guide the permanent teeth to erupt at the correct position in the dental arch since the permanent teeth grow under the primary teeth

67
Q

The current U.S. population with access to fluoridated water is approximately — percent.

A

The current U.S. population with access to fluoridated water is approximately 74 percent.

68
Q

—- of all dental fluorosis was the very mild to mild form of dental fluorosis

A

94%

69
Q

1986

A

dental fluorosis was present in 22.3% of the children examined

70
Q

tf primary molar have Thicker dentin in central fossa than

permanent molar

A

T

71
Q

thinner enamel

primary or permanent molar

A

primary molar

72
Q

Higher pulp horns and larger pulp chamber

primary or permanent molar

A

primary molar

73
Q

tf permanent molar have

More pronounced cervical ridges than primary molar

A

F

primary>permanent

74
Q

tf in prmary molar . Enamel rods near CEJ slope gingivally

A

F

. Enamel rods near CEJ slope occlusally

75
Q

. More constricted cervix

primary molar or permanent molar

A

primary molar

76
Q

slender and longer , flared root

A

primary molar

77
Q
A

dental anatomy (12 decks)

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