Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Dental Development and Anatomy > Incisors > Flashcards

Incisors Flashcards

1
Q

Maxillary Central Incisor
Eruption:
____

A

7-8 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Maxillary Central Incisor Development
n There are ____ developmental lobes
n Three ____ developmental lobes.
n One ____developmental lobe.

A

four
facial (labial)
palatal (lingual)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Maxillary Central Incisor Development
n There are ____ facial (labial) developmental grooves.
u They are called ____.

A

two

labial lobe grooves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Maxillary Central Incisor Development
n ____ mamelons are visible on the ____ when the tooth first erupts
u These are the incisal borders of the ____
n ____ (through use) wears them away

A

three
incisal edge
developmental lobes
incisal contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Maxillary Central Incisor Development

n The ____ forms the cingulum of the tooth.

A

palatal (lingual) developmental lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor – Facial View
n The maxillary central incisor is wider ____ than any other anterior tooth
n The crown has a greater ____ dimension than mesiodistal dimension.
n The incisocervical dimension of the crown is ____ the mesiodistal dimension

A

M-D
incisocervical
1.5 times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor – Facial View
n The ____ of the crown has been described as:
u an “____” with a ____ gingival side
u as a ____
u as a ____
u as a ____

A 
outline form
imperfect square
rounded
trapezoid
square
rectangle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor – Facial View
n The incisal edge is almost ____mesiodistally
n ____ root
n The root is ____

A

straight
one
cone-shaped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor – Facial View
n The ____ angle is relatively sharp
n The ____ outline of the crown is almost straight

A

mesioincisal

mesial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor – Facial View
n The mesial contact is in the ____ of the crown - near the ____ angle
u Also called the ____

A

incisal 1/3
mesioincisal angle
mesial height of contour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor – Facial View
n The distal outline of the crown is more ____ than the mesial surface
n The distal contact is at the junction of the ____ and the ____
u Also called the ____

A

convex (curved)
incisal 1/3rd
middle 1/3rd
distal height of contour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor–Mesial View
n From the mesial, the crown has has a ____ or ____
n The facial height of contour is in the ____ of the crown
n The incisal aspect of the facial surface is somewhat ____

A

traingular
wedge-shape
cervical 1/3rd
flat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor–Mesial View
n The lingual height of contour is in the ____ of the crown
u It is actually the ____ of the tooth that creates this contour

A

cervical 1/3rd

cingulum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor–Mesial View

n There is a uniquely large incisal curvature of the ____ or ____.

A

cemento-enamel junction CEJ

cervical line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor–Mesial View
n The mesial contact is centered ____
n The concave portion of the lingual surface is called the ____

A

faciolingually

lingual fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor– LingualView
n The lingual fossa is a concavity bound by the ____, ____ and ____.

A

marginal rdiges
cingulum
incisal edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor– LingualView
n The mesial marginal ridge is nearly ____
n The distal marginal ridge is ____

A

straight

curved

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor–Distal View

n The distal contact is centered ____

A

faciolingually

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

UNIQUE CHARACTERISTICS Maxillary Central Incisor–Incisal View
n The crown is roughly ____ from an incisal view
n The incisal edge is slightly curved ____-almost straight
n The faciolingual thickness of the incisal edge is around ____
n the facial surface is only slightly ____, and can be flat on some teeth
n The crown tapers ____

A 
triangular
mesiodistally
1.5 mm
convex
lingually
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Maxillary Lateral Incisor

Eruption: ____

A

8-9 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n Resembles the ____, but the crown is smaller, more slender, and rounder
n The root length is about the same as the the ____
n The incisocervical crown dimension is ____ than the mesiodistal dimension

A

central incisor
central incisor
greater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n The outline form of the crown has been described as generally ____
n There is a great morphologic variation in the ____ crown shape of the maxillary lateral incisor
-oval
-____

A

trapezoidal
facial
elliptical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n The crown exhibits the greatest incidence of variation in ____
n The lateral incisor may be even ____ from the mouth entirely

A

shape

missing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n ____ is a characteristic feature of the lateral incisor crown
n There is a curved ____

A

roundness

incisal edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

UNIQUE CHARACTERISTICS
Maxillary Lateral Incisor – Facial View
n The number and prominence of mamelons ____ – usually subtle
u most commonly there are ____ mamelons vs. central incisor (____).
n ____ wears them away

A

varies
two
three
incisal contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n The ____ outline of the crown is convex
n The ____ corner is rounded

A

mesial

mesioincisal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n The mesial contact point on is located at the junction of the ____ and ____ thirds

A

incisal

middle

28
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n The ____ outline of the crown is more rounded than the ____ outline
n The ____ corner is more rounded then the ____ angle

A

distal
mesial
distoincisal
mesioincisal

29
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n The distal contact point is located near the ____.

A

middle 1/3rd

30
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor – Facial View
n ____ root
n The root is ____ in shape
u The root is commonly bent toward the ____ in the apical 1/3rd

A

one
conical
distal

31
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor –Mesial View
n The crown has been described as ____ or ____
n The facial height of contour is in the ____ 1/3rd of the crown
n The lingual height of contour is in the ____ 1/3rd – (____)
n The facial (labial) surface is moderately convex

A 
triangular
wedge-shaped
cervical
cervical
cingulum
32
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor –Mesial View
n The cervical line curves ____ but less than the central incisor
n The mesial proximal contact is centered ____

A

incisally

faciolingually

33
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor– Lingual View
n The ____ marginal ridge is longer and straighter than the ____ marginal ridge
n The distal marginal ridge is more curved ____ and is ____ incisocervically than the mesial marginal ridge
n The ____ is well developed

A 
mesial
distal
incisocervically
shorter
lingual fossa
34
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor– Lingual View
n The cingulum is narrow ____
n A lingual pit is frequently detectable at the ____ of the cingulum
n Some teeth have a ____

A

mesiodistally
incisal border
linguogingival fissure (groove)

35
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor– Lingual View
n The ____ may be shallow or deep (deeper than the central incisor)
n The marginal ridges and cingulum form the characteristic letter ____

A

lingual fossa

“U”

36
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor –Distal View
n The distal marginal ridge is not as ____ as the mesial marginal ridge.
n There is less____ of the CEJ
n The distal contact is centered____


A

concave
incisal curvature
faciolingually

37
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor –Incisal View
§ The crown is ____ from an incisal view
n The facial surface is distinctly ____
n The lingual surface has a distinctly round ____


A

triangular
rounded
cingulum

38
Q

UNIQUE CHARACTERISTICS Maxillary Lateral Incisor –Incisal View
n The cingulum is nearly ____
n A linguogingival fissure (groove), when present,
u originates from the ____ and extends onto the ____ slightly to the ____

A

mesiodistally
lingual pit
cingulum
distal

39
Q

Mandibular Central Incisor

Eruption: ____

A

4-6 years

40
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – Facial View
n The mandibular central incisor has a uniquely small ____ crown dimension
n Are the ____ in the mouth
n The mesial and distal halves of the crown are ____

A

mesiodistal
smallest teeth
bilaterally symmetrical

41
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – Facial View
n The incisal edge is almost flat and positioned perpendicular to the ____
n The outline form of the crown has been described as ____

A

long axis bisector

trapezoidal

42
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – Facial View
n The mesial and incisal surfaces form an angle (mesio incisal angle) that is nearly a ____
n The disto incisal angle is ____ to the mesio incisal angle

A

90degree angle

very similar

43
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor –
Facial View
n The mesial and distal crown surfaces are ____ and taper evenly
n The mesial contact is located in the ____l one-third
n The distal contact is located in the ____ one-third at the same position as the ____ proximal contact*

A

straight
incisal
incisal
mesial

44
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor –
Facial View
n ____, short root
n The root tapers ____ on both
sides and is narrow
n The root is ____
n There may be a slight ____ curvature to the root apex
n The root terminates in a small pointed taper

A

one
evenly
conical
distal

45
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – Mesial View
n The outline form of the crown is ____ or ____
n The facial height of contour is in the ____l one-third of the crown
n The facial surface is ____ incisal to (above) the height of contour

A

triangular
wedge-shaped
cervical
flat

46
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – Mesial View
n The lingual height of contour is in the ____ one-third of the crown at the cingulum
n The mesial contact is centered ____

A

cervical

faciolingually

47
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – LingualView
n The lingual surface is very smooth and does not have ____
n There is a shallow ____ located in the middle of the lingual surface

A

grooves, ridges, pits

lingual fossa

48
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – LingualView
n The cingulum is ____ on the crown and ____ than the maxillary incisors

A

centerd

less developed

49
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – Distal View
n The CEJ curves incisally less on the ____ surface than the ____ surface
n The distal contact location is centered ____

A

distal
mesial
faciolingually

50
Q

UNIQUE CHARACTERISTICS Mandibular Central Incisor – Incisal View
n The crown had been described as:
u ____
u ____
n The incisal edge is straight
____.
n The incisal edge is perpendicular to the ____

A

triangular
diamond-shaped
mesiodistally
faciolingual bisector line

51
Q

Mandibular Lateral Incisor

Eruption: ____

A

7-8 years

52
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Facial View
n The outline form of the crown is ____
n The incisocervical crown dimension is ____ than the mesiodistal crown dimension
n ____ than the mandibular central incisor

A

trapezoidal
greater
larger

53
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Facial View
n The mesial half of the crown is ____ as the distal half
n The mesioincisal angle is ____
n The distoincisal angle is more ____
n The incisal edge may slope cervically toward the ____

A

not the same
sharp
rounded
distal

54
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Facial View
n The ____ outline is straighter than the ____ outline
n The mesial contact point is in the ____ 1/3rd, close to the incisal edge
n The distal contact point is in the ____ 1/3rd, but located more ____ than the mesial contact

A 
mesial
distal
incisal
incisal
cervical
55
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Facial View
n The root is ____ than the central incisor
n The root tapers on ____ and is also very narrow

A

longer

both sides

56
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Mesial View
n The outline form of the crown is ____ or ____
n The facial height of contour is in the ____ one-third of the crown
n The facial surface is also ____ incisal to the height of contour

A

triangular
wedge-shaped
cervical
flat

57
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Mesial View
n The lingual height of contour is just ____ to the CEJ (cervical line) in the ____ 1/3rd
n The mesial contact is centered ____

A

incisal
cervical
faciolingually

58
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Lingual View
n The lingual surface is very smooth without ____
n The lingual fossa is smooth and ____
n The cingulum is offset to the ____ and ____

A

grooves, ridges, or pits
barely visible
distal
less developed

59
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Distal View
n The cervical line curves less than the ____ surface
n The distal contact is centered ____ and more ____ than the mesial surface

A

mesial
faciolingually
gingival

60
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Incisal View
n The crown had been described as
u ____
u ____
n The crown appears “twisted” on the ____
u the distal portion of the incisal edge is located
____ to the mesial aspect of the incisal edge

A

triangular
diamond-shaped
root
lingual

61
Q

UNIQUE CHARACTERISTICS Mandibular Lateral Incisor – Incisal View
n The crown is not ____. The incisal edge does not form a right angle with the faciolingual crown bisecting line
n The distoincisal corner may be located more ____ than the mesioincisal corner

A

bilaterally symmetrical

lingually

62
Q

I-G Contact Position: Max CI: ____
Max LI : ____
Man CI: ____
Man LI: ____

A

IJ
JM
II
II

63
Q

B-L Contact Position:
All contact points are ____ on all the anterior teeth
Buccal Height of Contour Position:
All buccal heights of contour are in the ____ 1/3rd for all the anterior teeth

A

centered

cervical

64
Q

Lingual Height of Contour Position:

All lingual heights of contour are in the ____ 1/3rd for all the anterior teeth

A

cervical

65
Q

Proximal (Mesial/Distal): ____ or ____
Facial/Lingual:
All incisors are described to be shaped like a ____.
The maxillary lateral may be different sometimes and can also be described as ____ or ____. (However, if asked what is most common, the correct answer would be trapezoial….)

A 
triangle
wedge shaped
trapezoid
elliptical
oval

Dental Development and Anatomy (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions