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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
a linear elevation on the surface of a tooth and is named according to location
Ridge
26
Lingual Fossa of maxillary central incisor is bounded by
the incisal edge,mesial and distal marginal ridges & the cingulum
27
bulbous convexity on the cervical third of the lingual surface on an anterior tooth
Cingulum
28
a small pinpoint depression in the depths of developmental processes
Pit
29
Root of maxillary central incisor is _____ shaped from the lingual aspect
cone
30
Root of maxillary central incisor tapers toward \_\_\_\_\_\_slightly from the lingual aspect
distal
31
Crown and root of maxillary central incisor taper to \_\_\_\_\_\_;
lingual
32
Part of the mesial and distal aspects of the tooth can be seen from the lingual aspect on what tooth?
Maxillary central incisor
33
CEJis curved ______ toward the ________ on the lingual side of the maxillary central incisor
convex toward the root
34
maxillary central incisor is ____ or _____ shaped from mesial view; Base in cervical area and apex at the incisal edge
Triangular or wedge
35
Facial outline of maxillary central incisor is \_\_\_\_\_\_, _____ incisally from mesial view
slightly curved; flat
36
Lingual outline of maxillary incisor from mesial view is
concavo-convex
37
The Incisal edge of maxillary central incisor lies ____ the line from mesial view; Incisal edge maybe ____ to line
on; lingual
38
Incisal surface slopes toward the \_\_\_\_\_; Root is ____ shaped; Apex is _____ from mesial view of central incisor
lingual; cone; blunted
39
THE _____ CERVICAL LINE of maxillary central HAS THE GREATEST AMOUNT OF CURVATURE OF ANY TOOTH IN THE MOUTH
MESIAL
40
Mesial cervical curvature of maxillary central is \_\_\_\_\_\_than distal aspect
greater
41
Cervical line of maxillary central is curved _____ toward the \_\_\_\_\_\_
convexly; incisal
42
Crown of maxillary central looks _____ in incisal 1/3 from distal view
thicker
43
Point of convexity of the cingulum of maxillary central
distal to the center of the lingual surface
44
Mesial and Distal contact points of maxillary central
centered on the proximal surfaces labiolingually
45
the surface of a tooth that adjoins the surface of another tooth in the same arch
Proximal surface
46
maxillary central is ____ in shape from incisal view; Tooth is ____ facially than lingually; Facial surface is broad and\_\_\_\_; Lingual surface is ____ and curved
triangular; wider; flat; narrower
47
where 2 surfaces join
Line Angle
48
What is the Universal Notation for the Maxillary right central incisor?
#9
49
What is the Universal Notation for the Maxillary left central incisor?
9
50
When does max central erupt?
7-8 years
51
When does max central show first evidence of calcification?
3-4 months
52
When is the crown of max central completely formed?
4-5 years
53
When is the root development of max central completed?
10 years
54
Is max central a succedaneous or a non-succedaneous tooth?
succedaneous: replaces primary tooth
55
What is this tooth geometric outline of max central when viewed from the facial?
trapezoidal
56
What is this tooth geometric outline of max central when viewed from the lingual?
trapezoidal
57
What is this tooth geometric outline of max central when viewed from the incisal?
triangular
58
What is this tooth geometric outline of max central when viewed from the mesial?
triangular
59
What is this tooth geometric outline of max central when viewed from the distal?
triangular
60
Is this #8 or #9?
#8
61
Which picture shows the Mesialview of a Maxillary Central Incisor?
A
62
Name the following structures of Lingual View of max central
A: Cingulum B: Lingual fossa C: distal marginal ridge
63
Is this the incisalview of #8 or #9?
#8
64
Where are the F and L height of contour of max central located?
cervical 1/3
65
Where are the M and D interproximalcontact areas located on max central?
Between cervical portions of 8 & 9 for M; distal between cervical poritons of distal potions of max central and lateral
66
Name the embrasures formed around the M contact area of #8 and #9
cervical embrasures and icisal embrasures
67
What is the Universal Notation for the Maxillary right lateral incisor?
10
68
What is the Universal Notation for the Maxillary left lateral incisor?
10
69
How can you determine whether this is a maxillary central or a lateral incisor?
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
What is the name of this groove?
lingual developmental groove

structure basics (18 decks)

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