Upper teeth Flashcards
1
Q
(Primary) Second tooth to erupt?
A
Upper central primary incisor
2
Q
erupts at 8-12th month
A
Upper central primary incisor
3
Q
Only tooth where the
mesiodistal diameter is greater than the cervicoincisal length
A
Upper central primary incisor
squatted aspect
4
Q
Upper central primary incisor crown labial surface:
incisor edge is _____ ______
A
nearly straight
5
Q
Upper central primary incisor crown labial surface:
cervical ridge is ____
A
obvious
6
Q
Upper central primary incisor crown labial surface:
development grooves are _____ _____ and the labial surface is very ______
A
not seen
smooth
7
Q
Upper central primary incisor crown labial surface:
mesioincisal angle is a _____
A
right angle
8
Q
Upper central primary incisor crown labial surface:
disalincisal angle is _____ & _____
A
round and obtuse
9
Q
Upper central primary incisor crown labial surface:
Medial surface is ______ and converges towards the ____ _____
A
straight
main axis
10
Q
Upper central primary incisor crown labial surface:
distal surface is ______ all along
A
convex
11
Q
Upper central primary incisor crown lingual surface:
_____ marginal ridges
A
well-developed
12
Q
Upper central primary incisor crown lingual surface:
cingulum development?
A
highly developed
13
Q
Upper central primary incisor crown lingual surface:
lingual fossa is ____ and divided into ___ parts by ______
A
lingual fossa is small and divided into 2 parts by lingual axis ridge
14
Q
Upper central primary incisor crown lingual surface:
_____ in cervical third
A
convex
15
Q
Upper central primary incisor crown mesial and distal surface:
cervical aspect is _____ while incisal aspect is ____
A
cervical thicker
incisal thinner
16
Q
Upper central primary incisor crown mesial and distal surface:
The crown appears ____ at the _____ third and even toward the _____ third.
A
appears thick at middle third
toward incisal third
17
Q
The curvature of cervical line, represents the
A
cementoenamel junction (CEJ)
18
Q
Upper central primary incisor crown mesial and distal surface:
cementoenamel junction/curvature of cervical line curves towards the _____ (2)?
A
incisal ridge
19
Q
Upper central primary incisor crown mesial and distal surface:
mesial is ____ than the distal
A
longer
20
Q
Upper central primary incisor incisal aspect:
relatively _____
A
straight
21
Q
Upper central primary incisor incisal aspect:
labial surface is much _____ & ______ than the lingual
A
broader and smoother
22
Q
Upper central primary incisor root:
shape?
A
cone
23
Q
Upper central primary incisor root:
cross section shape?
A
cross section = triangle
24
Q
Upper central primary incisor root:
deviation of apex towards ? (2)
A
buccal and distal
25
Upper central primary incisor root:
| pulp chamber?
follows external morphology
26
Upper central primary incisor root:
| Pulp horns?
Accentuated
Mesial most accentuated
27
Upper lateral primary incisor:
compared to central incisor? (2)
- very similar
| - crown smaller in every direction
28
erupts at 9-13th month
central lateral primary incisor
29
Upper central primary incisor crown labial surface:
cervico-incisal length is ___ than mesio-distal diameter
greater
30
Upper central primary incisor crown labial surface:
| distoincisal angle is ____
rounder
31
Upper central primary incisor crown labial surface:
| mesial angle is _____
acute
32
Upper central primary incisor crown labial surface:
| surface is _____
flatter
33
Upper central primary incisor crown labial surface:
| mesial surface starts _____ and then angles towards the ____
straight
long axis
34
Upper central primary incisor crown labial surface:
| distal surface?
convex all along
35
Upper central primary incisor crown lingual surface:
| Cingulum development?
less accentuated
36
Upper central primary incisor crown labial surface:
| marginal ridge development?
well developed
37
Upper central primary incisor crown labial surface:
| central ridge?
no central ridge
38
Upper central primary incisor crown labial surface:
| concave or convex?
slightly convex
39
Upper central primary incisor crown mesial and distal surface:
concave or convex?
convex surfaces
40
Upper central primary incisor crown mesial and distal surface:
Great ______ diameter at the cervix
labiopalatal
41
Upper central primary incisor crown mesial and distal surface:
incisal border shape?
triangular
42
Upper central primary incisor crown incisal surface?
| 2
- similar to central
| - smaller and narrower than central
43
Upper central primary incisor root:
| apex deviated towards ___ & _____
buccal and distal
44
Upper central primary incisor root:
| Slightly squatted in _____ direction
mesio-distal
45
Upper central primary incisor root:
| Much ______ in proportion to its crown than the central incisor ratio
longer
46
Upper central primary incisor pulp chamber? (2)
- It follows the external morphology
| - The mesial pulp horn is more accentuated
47
Conic and bulky crown
Upper primary canine
48
Erupts at 16-22nd month
Upper primary canine
49
One of the first teeth where we see physiological abrasion
Upper primary canine
50
Upper primary canine crown labial surface:
crown is more constricted at the ____ in relation to the _____ width
cervix in relation to the mesio-distal width
51
Upper primary canine crown labial surface:
| mesial and distal surfaces are more _____
convex
52
Upper primary canine crown labial surface:
| Cusp is ____ than in permanent canines
longer
53
Upper primary canine crown labial surface:
| cusp slope?
Mesial slope is longer than distal
54
Upper primary canine crown lingual surface:
| Presence of _____? (2)
cingulum and marginal ridges
55
Upper primary canine crown lingual surface:
| ____ divides area into ____
central ridge divides into 2 shallow fossas
56
Upper primary canine crown lingual surface:
| 2 fossas?
mesiolingual and distolingual fossas
57
Upper primary canine crown mesial surface:
| outline similar to? (2)
central and lateral incisor
58
Upper primary canine crown mesial surface:
| Greater _______ at the cervical ______
labiolingually at cervical third
59
Upper primary canine crown distal surface:
Curve from cervical line to cusp ____ accentuated than mesial aspect
less
60
Upper primary canine incisal aspect:
| Crown shape?
diamond
61
Upper primary canine incisal aspect:
| Tip of cusp is ____ to the center of crown
distal
62
Upper primary canine incisal aspect:
| Cusp slope?
Mesial longer
63
Root twice as long as crown?
Upper primary canine
64
Upper primary canine root shape? (3)
long, slender, conic
65
Upper primary canine root:
curves ____ & _____ from ____ third towards apex
distal and buccal from central third
66
Upper primary canine crown root:
pulp chambers? most accentuated?
3
| central
67
Upper first primary molar ____ than maxillary second molar
smaller
68
Acts as a transition tooth between the anterior
| sector and the molars
Upper first primary molar
69
Erupts at 13-19th month
Upper first primary molar
70
Upper first primary molar crown facial surface:
Widest measurement?
diameter between mesial and distal contact surfaces at middle third
71
Upper first primary molar crown facial surface:
| crown converges towards...?
cervix
72
Upper first primary molar crown facial surface:
| Occlusal line?
slightly scalloped but with no definite form
73
Upper first primary molar crown facial surface:
| smooth vs rough? (2)
smooth
| -little evidence of developmental grooves
74
Upper first primary molar crown lingual surface:
| crown convergence?
Crown converges considerably in a lingual
| direction
75
Upper first primary molar crown lingual surface:
| mesiodistal diameter?
shorter at lingual surface
76
Upper first primary molar most prominent, longest, sharpest cusp?
lingual
77
Upper first primary molar mesial aspect:
| cervical third ______ than occlusal third
greater
78
Upper first primary molar mesial aspect:
| convexity evident on ....?
buccal outline of cervical third
79
Zuckerkandl tubercle
Upper first primary molar
80
Upper first primary molar mesial aspect:
| Cervical line curves towards _____ surface
occlusal
81
Upper first primary molar distal aspect:
| Crown is ____ distally than mesially
narrower
82
Upper first primary molar distal aspect:
| Crown tapers maredly towards the _____
distal end
83
Upper first primary molar distal aspect:
| Distobuccal cusp? (2)
Long and sharp
84
Upper first primary molar distal aspect:
| Cervical line?
May curve occlusally
85
Upper first primary molar occlusal surface:
______ & _____ angle are greater than the ______ & _____ diameter
Mesiobuccal and distobuccal > mesiolingual and distolingual
86
Upper first primary molar occlusal surface:
Convergence? (3)
Double convergence
- mesial and distal towards palatal and buccal
- palatal towards distal
87
Upper first primary molar occlusal surface contains? (7)
- Central fossa
- central groove
- mesial triangular fossa
- distal triangular fossa
- Mesial marginal ridge
- distal marginal ridge (thin and poorly defined)
- Buccal developmental groove
88
Which tooth has a distal marginal ridge thin and poorly defined
Upper first primary molar
89
Upper first primary molar cusp sizes?
Palatal > Mesiobuccal > distobuccal cusps
90
Upper first primary molar biggest diameter?
buccal surface
91
Upper first primary molar buccal surface? (2)
very oblique and very convex
92
Upper first primary molar palatal surface?
Very convex
93
Upper first primary molar mesial surface? (2)
Not very oblique or convex
94
Upper first primary molar distal surface? (2)
More oblique and convex than mesial
95
Upper first primary molar number of roots and shape? (3)
3 slender and long roots
96
Upper first primary molar root:
| Largest?
lingual
97
Upper first primary molar root mesial surface:
extends ___ in a marked angle
lingually
98
Upper first primary molar root:
| curve?
toward buccal at apical third
99
Upper first primary molar root:
| bifurcation point?
near CEJ at distal surface
100
Upper first primary molar pulp chamber? (2)
o It follows the external morphology
| o The mesial pulp horns are more accentuated
101
Erupts at 25-33rd month?
Upper second primary molar
102
Very similar to first permanent molar but smaller
Upper second primary molar
103
Tooth displays isomorphism
Upper second primary molar
104
Upper second primary molar buccal surface:
| cusps?
2 well defined
105
Upper second primary molar buccal surface:
| buccal groove?
can be seen
106
Upper second primary molar buccal surface:
| crown? (2)
- longer than first molar
| - narrower at cervix
107
Upper second primary molar lingual surface:
| cusps?
3
- mesiolingual
- distolingual
- tubercle of carabelli (supplemental)
108
Tubercle of carabelli?
Upper second primary molar
109
Upper second primary molar:
| Well defined ______ separates the ______ cusp from the _______ cusp
developmental groove
| separates mesiolingual from distolingual
110
Upper second primary molar mesial surface:
Larger cusp?
Mesiolingual cusp with
| tubercle of carabelli appears larger than mesiobuccal cusp
111
Upper second primary molar mesial surface:
crown appears _____ because of its width _____ in comparison with its
length
short
buccolingually
112
Upper second primary molar distal surface:
The distal _____ of the crown is less than the
mesia
calibration
113
Upper second primary molar distal surface:
Larger cusp?
distobuccal and distolingual cusps are about the same
114
Upper second primary molar occlusal surface:
shape?
rhomboidal
115
Upper second primary molar occlusal surface:
| buccal surface?
flat
116
Upper second primary molar occlusal surface consists of: (9)
- Central fossa
- central groove
- mesial triangular fossa
- distal triangular fossa
- Mesial marginal ridge
- distal marginal ridge
- oblique ridge
- Distal developmental groove
- lingual developmental groove
117
Which tooth has an oblique ridge? what does it connect?
Upper second primary molar
- DB with ML cusps
118
Upper second primary molar cusps? and size?
5 cusps
| -ML>MB>DB>DP>carabelli
119
Upper second primary molar roots from buccal aspect?
Appear slender
120
Upper second primary molar roots from buccal aspect:
| bifurcation?
Bifurcation between the buccal roots is close to the cervical line of the crown
121
Upper second primary molar roots from lingual aspect? (2)
- All three roots are visible,
| - lingual root the largest and thickest.
122
Upper second primary molar roots from mesial:
mesiobuccal root? (2)
-broad and flat
123
Upper second primary molar roots from mesial:
| Lingual root?
somewhat the same curvature as the lingual
| root of the maxillary first molar
124
Upper second primary molar roots from distal?
- all three roots are seen
| - distobuccal is shorter and barrower than others
125
Upper second primary molar roots from distal:
| Bifurcation point?
between the distobuccal and the lingual
roots is more apical in location than any other point of the
bifurcation
126
Upper second primary molar pulp chamber? (2)
o It follows the external morphology.
o The mesial pulp horns are more accentuated. (The
MB the most)
