general info and functions about all the teeth Flashcards
1
Q
used for cutting
A
incisors
2
Q
incisors
flat with —— biting edge
A
incisors
flat with horizontal biting edge
3
Q
tf incisors are single rooted
A
T
4
Q
tf incisors are only teeth with mamelons
A
T
5
Q
incisors
A
cut food and ant. guidance
6
Q
help to support the lip and maintain an esthetic appearance
A
incisors
7
Q
articulate speech
A
incisors
8
Q
incisors
The roots frequently incline or curve —-
A
The roots frequently incline or curve distally
9
Q
tf
The distal crown contours of incisor are usually more rounded than the mesial
A
T
10
Q
tf
The mesial contact areas of incisors appear more gingivally positioned
A
F
The distal contact areas appear more gingivally positioned
11
Q
A
12
Q
used for piercing and tearing
A
canines
13
Q
canine
A
longest teeth in mouth
14
Q
eminent facially (esthetic support)
A
canines
15
Q
cornestones of mouth
A
canine
16
Q
tf canines have 2-3 roots
A
F single rooted
17
Q
the only teeth to possess single conical cusp
A
canines
18
Q
canine eminence
A
the positions and forms of canines and their anchorage in the bone, along with the bone ridge over the labial portions of the roots
19
Q
canine eminence
A
significant estetic and cosmetic value
20
Q
canine
A
help form a foundation that ensures normal facial expression at the “corners” of the mouth
21
Q
The distal crown contours of canines
A
are usually more rounded than the mesial
22
Q
The distal contact areas of canines
A
appear more gingivally positioned
23
Q
the roots of canine
A
frequently incline or curve distally
24
Q
All teeth have facial height of contour in
A
cervical third of crown
25
All upper posterior teeth have
lingual height of contour in middle 1/3 of crown
26
All lower posterior teeth have lingual height of contour
more occlusally positioned than upper (middle 1/3 or junction of middle and occlusal 1/3)
27
All upper posterior teeth have ---- ----- lingual surface and a relatively------ buccal surface
All upper posterior teeth have 2 planar lingual surface and a relatively straight buccal surface
28
All lower posterior teeth have ----- ----- buccal surface and a relatively ----- lingual surface
All lower posterior teeth have 2 planar buccal surface and a relatively straight lingual surface
29
All proximal heights of contour ---- with proximal contact areas
All proximal heights of contour coincide with proximal contact areas
30
Proximal contact areas of all ------- teeth generally are ------ and ----- to the midpoint of the crown
Proximal contact areas of all posterior teeth generally are buccal and occlusal to the midpoint of the crown
31
Premolars replace (succeed)
primary molars
32
Mandibular teeth erupt before
maxillary counterparts
33
All anterior teeth and premolars are formed by
4 developmental lobes, 3 facial and 1 lingual
34
Exception
Y-type mandibular 2nd premolar which has
5 lobes (3 facial and 2 lingual)
35
All maxillary premolars have two cusps
of approximately equal size.
36
tf
All mandibular premolars have two cusps of approximately equal size.
F
The mandibular premolars may have more than two cusps (i.e. Y-type P2) and the lingual cusps are less prominent.
37
mandibular premolars incline significantly towards the
lingual
38
Maxillary premolars are wider
buccolingually than mesiodistally
39
The mandibular premolars have approximately equal
buccolingual and mesiodistal dimensions
40
first premolar is usually larger than the second
max premolars
41
second premolar is usually larger than the first
mandibular premolar
42
maxillary first premolar is the only premolar that normally has ---- root branches
maxillary first premolar is the only premolar that normally has two root branches
43
(All premolars “succeed” (erupt in the positions of) the
primary molars
44
hexagon shape
max P1
45
oval;diamond
maxP2;Mand P1
46
square
Mand P2
47
3 to 5 cusps
permanent molars
48
tf largest occlusal surfaces of any teeth is of pre molars
F
molars
49
2;3 roots
low molar; upper molars
50
1 lobe/ cusp
all molars
51
used for grinding
molars
52
pulp horn;lobe; cusp
1;1;1;
molars
53
all molars
one lobe per cusp
54
considered cornerstones to development of occlusion
all molars
55
Permanent molars erupt
distal to primary dentition
56
upper post teet; lower post teeth
2 planar lingual surface and a relatively straight buccal surface; 2 planar buccal surface and a relatively straight lingual surface
57
molar
All proximal heights of contour coincide with proximal contact areas
58
Proximal contact areas of all posterior teeth generally are
------ and ------ to the midpoint of the crown
Proximal contact areas of all posterior teeth generally are buccal and occlusal to the midpoint of the crown
59
wider buccolingually than mesiodistally
Maxillary molars
60
wider mesiodistally than buccolingually
Mandibular molars
61
are the most variable teeth morphologically
Upper and lower 3rd molars
62
are second most variable teeth morphologically
maxillary lateral incisors
63
Permanent mandibular first molars begin calcification
(formation) at birth
64
which one erupts first
mandibular or maxillary counterpart
Mandibular teeth erupt before maxillary counterpart
65
largest teeth in the maxillary arch
max molars
66
Shorter occlusogingivally
ant tooth or max molars
permanent max molars
67
max molars
largest; small
1st; 2nd molar
68
Crowns of max molars are wider ---- than ----
Crowns are wider buccolingually than mesiodistally
69
Three roots normally
permananent max molar
2 buccal 1 lingual
70
Oblique ridge and distolingual groove
max molars
71
rhomboid outline
max molars
| (M# heart)
72
first max molars have
fifth cusp (Carabelli) and is smallest of cusps
73
arrange the cusps of max molar based on size
ML
DB
MB
DL
(ML\>MB\>DB\>DL)
74
erupts at age 18
max third molar
75
sometimes congenitally missing
max 3rd molar
76
Most variable tooth morphologically in the maxillary arch
max 3rd molar
77
tf
max M3 is larger in all dimensions than M2
Smaller in all dimensions than M2
78
short roots
Max M3
79
roots pronounced and distal inclination
max m3
80
irregular profile from the mesial and distal aspect
crown of M3
81
Oblique ridge of Max M3
barely visible
82
Common occlusal outline form is heart shaped due to very small or totally absent DL cusp
Max M3
83
max m3
Pit and groove pattern more variable
84
Crowns appear rectangular from the occlusal aspect
mand molar
85
mand m1
crown is pentagonal
86
mand molars Much larger than premolars except
occlusogingivally where they are slightly shorter
87
arrange the mand molar in terms of size
M1
m2
M3
M1\>M2\>M3
88
mand molar
Crowns are wider mesiodistally than buccolingually
89
Always two lingual cusps of approximately the same size
mand molar
90
Like their maxillary counterparts, no primary predecessors
mand molar
91
proximal aspect of mand molar
crowns appear rhomboidal and are inclined toward the lingual
92
M and D roots
mand molars
93
no primary predecessors
mand molars
94
No ------ in the primary dentition
No premolars in the primary dentition
95
All primary teeth begin calcification process
4-5 months in utero
96
All primary teeth emerge (erupt) by
age 2-3 years (2.5 years average)
97
Roots of primary teeth complete formation approximately
1-2 years after eruption
98
roots are about ---- formed at eruption
half
99
Roots begin to resorb approximately---- years before ----
Roots begin to resorb approximately 2-3 years before exfoliation
100
Primary dentition exists until beginning of ----- dentition with the emergence (eruption) of the permanent first molars at age -----
Primary dentition exists until beginning of mixed dentition with the emergence (eruption) of the permanent first molars at age six
101
permanent 1st molars
erupt distal to the primary second molars
102
permanent molars
have no primary predecessors
103
Erupts at approximately age seven
Maxillary Central Incisor
104
erupts at age 8
max lat incisors
105
Mandibular Central Incisor
Erupts between age 6-7
106
Erupts at age 7-8
Mandibular Lateral Incisor
107
age 10
max second pre molars
108
Maxillary First Premolar erupt
age 9
109
max canine; mand canine
11-12;9-10
110
erupt at age 9
mandib 1st pre-molar
111
mandib 2nd pre-molar
erupt at age 10
112
erupt at age 6
Maxillary First Molar
113
erupt age 12
max second molar
114
max 3rd molar
(Erupts at age 18+)
115
Erupts at age 12
mand M2
116
erupt at age 6
Mandibular First Molar
117
118
4 lobes 1 cusp 1 root 1 root canal
Max central incisor
lateral incisor
canine
119
tf max P1 have 1 cusp 1 root 1 root canal
F
have 2 of each
120
tf max and mandible
central incisor lat incisor and canine P1 have 5 lobes
F
all have 4 lobes
121
tf all teeth have facial cervical HOC at Cervical 1/3
T
122
nill distal contact
M3( max and mindible)
123
only teeth to have incisal 1/3 distal contact
(others are middle 1/3)
(maxilla central incisor is at junction)
Mandible central incisor
Lateral incisor
124
distal contact at junction
maxilla central incisor
125
middle 1/3 mesial contact
maxilla, mandible
P1
P2
M1 M2M3
126
max and mandible central incisor
incisal 1/3 contact
mesial contact
127
diff between mesial contact of maxilla , mandible
lat incisor and canine
maxilla
junction
mandible
middle 1/3
128
1 or 2 roots canals on mandible
lat incisor
129
1 or 2 roots on mandible
canine
130
2 cusps on mandible
P1
131
4 lobes on mandible
Central incisor
lat incisor
canine
P1
M2
132
4 or 5 cusps on maxila
M1
133
4:3 cusp on maxilla
M2;M3
134
3 roots on maxilla
M1-M3
135
3 or 4 root canals on maxila
M1 or M2
136
tf M3 of maxilla has 2 cusps roots root canals
F
alll 3
137
tf P2 and M2 have 4 lobes on maxilla
T
138
tooth on maxilla with 5 lobes
M1
139
4 or 5 lobes
M3 on maxilla
140
lobes; cusps; roots on maxilla
4;2;1;
vs 4;4;3
P2 vs. M2
141
tooth on maxilla with 4 or 5 cusps
M1
142
3 or 4 root canals on maxilla
M1 or M2
143
4 or 5 lobes on maxilla
M3
144
cervical 1/3 lingual hoc on mandible
central inc, lat inc, canine
145
tf all teeth on mandible have middle 1/3 distal contact
F
central and lat incisor dont
146
only teeth on mandible that don;t have middle 1/3 mesial contact, but have incisal 1/3
central incisor
lat incisor
canine
147
cervical 1/3 lingual hoc
central incisor, lat incisor, canine
on mandible
148
tf most of teeth on mandible have middle 1/3 lingual hoc
T
except incisors and canine
149
only teeth of mandible to have 5 lobes
P1 , P2
150
tf M3 of mandible can have only 4 lobes
F
4 or 5
151
4 or 5 lobes, cusps
M3 of mandible
152
4 lobes and 2 cusps on mandible
P1
153
lobes; cusps. roots on mandible
5;5;2
M1
154
3 or 4 root canals on mandible
M1, M2
155
4;4;2 on mandible
| (lobes, cusps, roots)
M2
156
3 or 4 root canals on mandible
M1,M2
157
tf M3 of mandible can have 1 root canal
F
2 to 4
158
3 or 4 root canals on mandible
M1,M2
159
2;1;1
cusps;roots; root canal
of mandible
P1 on mandible
160
1 or 2 roots on mandible
canine
161
5;5;2
lobe; cusps;roots of mandible
M1
162
4;4;2
root, crown, lobe
of mandible
M2
163
3 or 4 root canals on mandible
M1 M2
164
2;1;1
cusp; roots; root canal
on mandible
P1
165
2 or 3 cusps on mandible
P2
166
1 or 2 roots on mandible
canine
167
2 roots on mandible
M1
M2
M3
168
5 lobes and cusps vs
4 lobes and cusps
on mandible
M1 vs. M2
169
3 or 4 root canals on mandible
M1 and M2
170
