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structure basics > Lecture 3: Maxillary Incisors > Flashcards

Lecture 3: Maxillary Incisors Flashcards

1
Q

Use of maxillary incisor

A

cut food

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2
Q

shape of maxillary incisor

A

shovel

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3
Q

erupt at ____ years of age

A

7-8

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4
Q

number of maxillary incisors

A

8, 9

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5
Q

facial aspect crown shape of maxillary central incisor

A

trapezoidal

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6
Q

anatomical crown of maxillary central incisor more _____ than it is wide

A

long

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7
Q

Mesiodistal dimension of maxillary central incisor is more ____ than the incisal dimension

A

narrow

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8
Q

point of greatest convexity on a tooth surface

A

height of convexity/contour

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9
Q

height of convexity of maxillary central incisor is in ________ of tooth

A

incisal 1/3

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10
Q

mesial outline of maxillary central incisor from fascial aspect is ______ or _______

A

relatively straight or slightly convex

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11
Q

mesial contact of maxillary central incisor is in what portion of the tooth?

A

incisal 1/3

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12
Q

Distal outline of maxillary central incisor is more _____ than the mesial outline

A

convex

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13
Q

Height of contour or crest of curvature of maxillary central incisor on the distal is at

A

the junction of the middle and incisal 1/3’s

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14
Q

Distal contact of the maxillary central incisor is at

A

the junction of the middle and incisal 1/3’s

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15
Q

Incisal outline of maxillary central incisor is

A

straight

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16
Q

is one of 3 rounded protuberances found on the incisal edges of newly erupted incisors; Generally wear away with time to give a flat incisal edge

A

Mamelon

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17
Q

Mesioincisal angle of maxillary central incisor is a

A

right angle

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18
Q

Distoincisal angle of maxillary central incisor is more _____ than mesioincisal angle

A

rounded

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19
Q

junction of two tooth surfaces

A

Line angle

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20
Q

junction of three tooth surfaces

A

Point angle

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21
Q

Cervical line or CEJ of maxillary central incisor is curved toward

A

the root apex

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22
Q

maxillary central incisor has _____ roots

A

1

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23
Q

shape of root of maxillary central incisor

A

cone shape with blunt apex

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24
Q

Apex of the root of maxillary central incisor is ______ to the long axis of the tooth

A

slightly to the distal

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25
Q

a linear elevation on the surface of a tooth and is named according to location

A

Ridge

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26
Q

Lingual Fossa of maxillary central incisor is bounded by

A

the incisal edge,mesial and distal marginal ridges & the cingulum

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27
Q

bulbous convexity on the cervical third of the lingual surface on an anterior tooth

A

Cingulum

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28
Q

a small pinpoint depression in the depths of developmental processes

A

Pit

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29
Q

Root of maxillary central incisor is _____ shaped from the lingual aspect

A

cone

30
Q

Root of maxillary central incisor tapers toward ______slightly from the lingual aspect

A

distal

31
Q

Crown and root of maxillary central incisor taper to ______;

A

lingual

32
Q

Part of the mesial and distal aspects of the tooth can be seen from the lingual aspect on what tooth?

A

Maxillary central incisor

33
Q

CEJis curved ______ toward the ________ on the lingual side of the maxillary central incisor

A

convex toward the root

34
Q

maxillary central incisor is ____ or _____ shaped from mesial view; Base in cervical area and apex at the incisal edge

A

Triangular or wedge

35
Q

Facial outline of maxillary central incisor is ______, _____ incisally from mesial view

A

slightly curved; flat

36
Q

Lingual outline of maxillary incisor from mesial view is

A

concavo-convex

37
Q

The Incisal edge of maxillary central incisor lies ____ the line from mesial view; Incisal edge maybe ____ to line

A

on; lingual

38
Q

Incisal surface slopes toward the _____; Root is ____ shaped; Apex is _____ from mesial view of central incisor

A

lingual; cone; blunted

39
Q

THE _____ CERVICAL LINE of maxillary central HAS THE GREATEST AMOUNT OF CURVATURE OF ANY TOOTH IN THE MOUTH

A

MESIAL

40
Q

Mesial cervical curvature of maxillary central is ______than distal aspect

A

greater

41
Q

Cervical line of maxillary central is curved _____ toward the ______

A

convexly; incisal

42
Q

Crown of maxillary central looks _____ in incisal 1/3 from distal view

A

thicker

43
Q

Point of convexity of the cingulum of maxillary central

A

distal to the center of the lingual surface

44
Q

Mesial and Distal contact points of maxillary central

A

centered on the proximal surfaces labiolingually

45
Q

the surface of a tooth that adjoins the surface of another tooth in the same arch

A

Proximal surface

46
Q

maxillary central is ____ in shape from incisal view; Tooth is ____ facially than lingually; Facial surface is broad and____; Lingual surface is ____ and curved

A

triangular; wider; flat; narrower

47
Q

where 2 surfaces join

A

Line Angle

48
Q

What is the Universal Notation for the Maxillary right central incisor?

A

9

49
Q

What is the Universal Notation for the Maxillary left central incisor?

A

9

50
Q

When does max central erupt?

A

7-8 years

51
Q

When does max central show first evidence of calcification?

A

3-4 months

52
Q

When is the crown of max central completely formed?

A

4-5 years

53
Q

When is the root development of max central completed?

A

10 years

54
Q

Is max central a succedaneous or a non-succedaneous tooth?

A

succedaneous: replaces primary tooth

55
Q

What is this tooth geometric outline of max central when viewed from the facial?

A

trapezoidal

56
Q

What is this tooth geometric outline of max central when viewed from the lingual?

A

trapezoidal

57
Q

What is this tooth geometric outline of max central when viewed from the incisal?

A

triangular

58
Q

What is this tooth geometric outline of max central when viewed from the mesial?

A

triangular

59
Q

What is this tooth geometric outline of max central when viewed from the distal?

A

triangular

60
Q

Is this #8 or #9?

A

8

61
Q

Which picture shows the Mesialview of a Maxillary Central Incisor?

A

A

62
Q

Name the following structures of Lingual View of max central

A

A: Cingulum

B: Lingual fossa

C: distal marginal ridge

63
Q

Is this the incisalview of #8 or #9?

A

8

64
Q

Where are the F and L height of contour of max central located?

A

cervical 1/3

65
Q

Where are the M and D interproximalcontact areas located on max central?

A

Between cervical portions of 8 & 9 for M; distal between cervical poritons of distal potions of max central and lateral

66
Q

Name the embrasures formed around the M contact area of #8 and #9

A

cervical embrasures and icisal embrasures

67
Q

What is the Universal Notation for the Maxillary right lateral incisor?

A

10

68
Q

What is the Universal Notation for the Maxillary left lateral incisor?

A

10

69
Q

How can you determine whether this is a maxillary central or a lateral incisor?

A

smaller in size, more rounded, have more pronounced mesial and distal marginal ridges, deeper lingual fossa, have lingual developmental groove, more often exhibit lingual pits

70
Q

What is the name of this groove?

A

lingual developmental groove

structure basics (18 decks)

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