page 642-651 Flashcards
(229 cards)
1
Q
Lat Inc.
A
Third most common congenitally missing tooth (next to third molars).
2
Q
Lat Inc.
A
Third most variable tooth form (next to third molars).
Peg lateral (microdont)
■ Dens-in-dente
3
Q
Lat Inc
A
Most common tooth to have a palato-radicular groove
4
Q
Occlusal shape is oval; proximal shape is triangular.
■
A
Lat inc
5
Q
MMR (straight) > DMR.
■ M-I corner sharper than D-I.
A
Lat Inc.
6
Q
M-D dimension > F-L (from occlusal).
A
Lat Inc Max
7
Q
■ Most developed lingual anatomy of all anterior teeth.
A
Max Lat Inc
8
Q
Lingual surface is the most concave of all incisors.
■
A
Max Lat Inc
9
Q
Cingulum: central. Often prominent (talon cusp),
creating a lingual pit.
A
Max Lat Inc
10
Q
Root just as long as maxillary central.
■ Typically curves to the distal.
A
Max Lat Inc
11
Q
Occludes with mandibular lateral incisor and canine.
A
max Lat Inc
12
Q
Longest tooth.
■ Longest cusp.
A
Max canine
13
Q
Third longest crown (next to mand canine and max central).
A
max canine
14
Q
■ Widest (B-L) anterior tooth.
■ Maxillary tooth least likely to be extracted.
A
max canine
15
Q
Has prominent facial ridge.
A
max canine
16
Q
■ Cusp tip centered over root (from facial).
A
max canine
17
Q
Mesial cusp ridge < distal.
A
max canine
18
Q
Mesial surface is straighter (less convex) than the distal.
A
max canine
19
Q
F-L dimension > M-D (from occlusal).
■
A
max canine
20
Q
max canine
A
Has a prominent lingual ridge, which splits the lingual fossa into mesial and distal fossae.
21
Q
Cusp tip located slightly M-F (from occlusal).
A
Max canine
22
Q
Cingulum: central and prominent
A
max canine
23
Q
Longest root.
■
A
max canine
24
Q
Root is oval-shaped and flattened M-D (deeper on distal).
A
max canine
25
Occludes with mandibular canine and first premolar
max canine
26
Largest of all premolars.
max FIRST PREMOLAR
27
Crown morphology
■ Has a prominent buccal ridge.
max first premolar
28
Only permanent tooth with mesial cusp ridge \> distal cusp ridge.
max first premolar
29
Has a prominent mesial marginal ridge groove, which can make scaling
difficult.
max first premolar
30
Occlusal shape is hexagonal; proximal shape is trapezoidal
max first premolar
31
max 1st premolar
## Footnote
Occlusal table has long central groove with fewer supplemental
grooves. No central pit, but has mesial/distal pits.
32
2 cusps: buccal (slightly distal), palatal (slightly mesial).
max first premolar
33
Buccal cusp height \> palatal
max first premolar
34
max first premolar
Only premolar with two roots (B \> P).
35
max first premolar
Has a prominent mesial root concavity
36
Sits most vertically (B-L) in alveolar bone.
max first premolar
37
Occludes with mandibular first and second premolars.
max first premolar
38
Shorter and smaller than maxillary first premolar.
max 2nd premolar
39
Distal cusp ridge \> mesial cusp ridge.
max 2nd premolar
40
Has a buccal ridge, but not as prominent as first premolar.
max 2nd premolar
41
Occlusal shape is hexagonal;
proximal shape is trapezoidal
max 2nd premolar
42
tf max 2nd premolar
## Footnote
Occlusal table is more ovoid and symmetrical than maxillary first premolar
T
43
max 2nd premolar
Occlusal table has a short central groove with more supplemental grooves. Has “wrinkled” appearance.
44
max 2nd premolar
2 cusps: buccal, palatal (slightly mesial).
45
max 2nd premolar
Buccal cusp height = palatal.
46
Only premolar without a mesial root depression
max 2nd premolar
47
Occludes with mandibular second premolar and first molar.
max 2nd premolar
48
Largest permanent tooth.
max 1st molar
49
Only tooth that is broader lingually than buccally.
max 1st molar
50
Widest tooth (B-L).
max 1st molar
51
First permanent maxillary tooth to erupt.
max 1st molar
52
Only tooth with a pronounced distal concavity at the CEJ, which can make scaling difficul
max 1st molar
53
Has a long buccal groove with a central pit.
max 2nd premolar
54
Has a distolingual groove with a pit (on all maxillary molars
max 1st molar
55
Occlusal shape is rhomboidal; proximal shape is trapezoidal.
max 1st molar
56
4 cusps: MB, ML (largest), DB, DL (smallest).
max 1st molar
57
fifth cusp of Carabelli lingual to ML cusp.
max 1st molar
58
Primary cusp triangle: formed by ML, MB, and DB cusps (same for
all maxillary molars).
max 1st molar
59
Secondary cusp triangle: formed by DL cusp.
max 1st molar
60
Cusp heights: ML \> MB \> DB (primary cusp triangle) \> DL (secondary cusp triangle) \> Carabelli.
max 1st molar
61
Only tooth with two triangular ridges on one cusp (ML cusp): form the transverse and oblique ridges.
max 1st molar
62
most prominent oblique ridge of all maxillary molars.
max 1st molar
63
max 1st molar
transverse groove of the oblique ridge connects the central and distal fossae
64
3 roots: MB, DB (shortest), palatal (longest).
max 1st molar
65
Distance from furcation entrance to CEJ:
Mesial (3.6 mm) \< buccal (4.2 mm) \< distal (4.8 mm).
max 1st molar
66
Apices are closest to maxillary sinus.
max 1st molar
67
MB and DB roots are often shaped like “plier handles.”
max 1st molar
68
MB root has more common (94%) and deeper (0.3 mm) concavities than other roots.
max 1st molar
69
Occludes with mandibular first and second molars
max 1st molar
70
Similar to maxillary first molar but smaller and more angular.
max 2nd molar
71
Second most common tooth to have cervical enamel projections (next
to mandibular second molar).
max 2nd molar
72
Closest tooth to the opening of Stenson’s (parotid) duct.
max 2nd molar
73
Has a short buccal groove without a pit.
max 2nd molar
74
max 2nd molar
Occlusal table is usually rhomboidal, but can be heart-shaped if the
DL cusp is absent; proximal shape is trapezoidal.
75
76
4 cusps: MB, ML (largest), DB, DL (smallest).
max 2nd molar
77
Has smaller oblique ridge with a transverse groove.
max 2nd molar
78
Roots are typically longer, closer together, and more distally inclined
than the maxillary first molar. Occasionally fused.
max 2nd molar
79
max 2nd molar
Longer root trunk than maxillary first molar.
80
Occludes with mandibular second and third molars.
max 2nd molar
81
Most variable shape of any other tooth (with mandibular third molar).
max 3rd molar
82
Second most congenitally missing tooth (next to mandibular third
molar).
max 3rd molar
83
Shortest permanent tooth.
max 3rd molar
84
Most common tooth to have enamel pearls (with mandibular third molars).
max 3rd molar
85
Shortest maxillary crown.
max 3d molar
86
Occlusal table is usually heart-shaped since DL cusp has little or no
development; proximal shape is trapezoidal
max 3rd molar
87
Crown tapers lingually.
max 3rd molar
88
3 cusps: MB, DB, lingual.
max 3rd molar
89
Oblique ridge is poorly developed and often absent
max 3rd molar
90
Roots are often fused and distally inclined.
max 3rd molar
91
Occludes only with mandibular third molar
max 3rd molar
92
Smallest tooth.
■ Narrowest (M-D) tooth.
■ Most symmetrical tooth.
mand CI
93
Greatest mesial CEJ contour of mandibular teeth.
■ First succedaneous tooth to erupt
mand CI
94
MMR = DMR
Mand CI
95
D-I corner is equally as sharp as M-I.
mand CI
96
Incisal edge lingual to long axis (from proximal).
mand CI
97
mand CI
F-L dimension \> M-D (from occlusal).
98
Incisal edge perpendicular to B-L bisector (from occlusal).
mand cI
99
Cingulum: central and indistinct
mand cI
100
Root has mesial and distal (deeper) concavities (hourglass shaped).
■ Longer than maxillary centra
mand CI
101
Occludes with maxillary central incisor.
■ Only anterior tooth to occlude with one tooth.
mand CI
102
Slightly larger in all dimensions than the mandibular central.
■ Second smallest tooth (next to mandibular central).
mand LI
103
mand LI
Not as symmetrical as the mandibular central
104
Crown is tilted distally on the root (from facial).
mand LI
105
MMR \> DMR.
■ Incisal edge lingual to long axis (from proximal).
mand LI
106
mand LI
F-L dimension \> M-D (from occlusal).
■ Incisal edge is twisted disto-lingually (from occlusal).
107
mand LI
Cingulum: slightly distal and indistinct
108
Longest root of all incisors.
■
mand LI
109
Root has mesial (deeper) and distal concavities (hourglass shaped).
mand LI
110
Root has mesial (deeper) and distal concavities (hourglass shaped).
mand LI
111
Longest crown.
■ Second longest tooth (next to max canine). Longest tooth in mandible.
mand canine
112
Second longest root (next to max canine).
■ Mandibular tooth least likely to be extracted.
mand canine
113
Has a facial ridge, but less prominent than max canine
mand canine
114
Mesial cusp ridge \< distal
mand canine
115
Mesial surface is nearly parallel with the long axis.
■ Cusp tip slightly lingual to long axis (from proximal).
mand canine
116
F-L dimension \> M-D (from occlusal).
mand canine
117
Has a lingual ridge, but less prominent than max canine.
mand canine
118
Cusp tip located slightly distal (from occlusal).
■
mand canine
119
Cingulum: slightly distal and less prominent than max canine
mand canine
120
mand canine
Root is oval-shaped and flattened M-D (deeper on mesial).
■
121
Anterior tooth most likely to have a bifurcated root.
■ Only root that may be mesially inclined.
mand canine
122
mand canine
Occludes with maxillary lateral incisor and canine
123
Unique characteristics
■ Smallest of all premolars
mand 1st premolar
124
mand 1st premolar
Has a prominent mesio-lingual groove.
■ MMR \< DMR.
125
mand 1st premolar
Occlusal shape is diamond-shaped; proximal shape is rhomboidal
(tilted lingually)
126
Only posterior tooth with an occlusal plane tilted lingually
mand 1st premolar
127
Has most prominent transverse ridge of all premolars, which splits
mesial and distal fossae. No central groove.
mand 1st premolar
128
2 cusps: buccal (functional), lingual (nonfunctional).
mand 1st premolar
129
mand 1st premolar
Buccal cusp is larger (2/3 of occlusal surface) than the lingual.
130
Root is broader (B-L), and may have proximal concavities.
mand 1st premolar
131
mand 1st premolar
Occludes with maxillary canine and first premolar
132
Most congenitally missing premolar.
mand 2nd premolar
133
mand 2nd premolar
The gingival papilla between the first and second premolar is the shortest
134
Lingual surface is wider (M-D) than that of the mandibular first premolar
mand 2nd premolar
135
Lingual surface is wider (M-D) than that of the mandibular first premolar
mand 2nd premolar
136
mand 2nd premolar
Mesial marginal ridge has slight concavity.
■
137
Only premolar with five lobes: three buccal and two lingual.
mand 2nd premolar
138
Occlusal shape is square; proximal shape is rhomboidal (tilted lingually).
mand 2nd premolar
139
Y (most common configuration): 3 cusps—buccal \> ML \> DL,
with a single central pit.
mand 2nd premolar
140
H:
mand 2nd premolar
2 cusps—buccal and lingual with short central groove
141
U:
mand 2nd premolar
2 cusps—buccal and lingual with crescent-shaped central groove.
142
Buccal cusp is shorter and blunter than lingual cusps.
■
mand 2nd premolar
143
ML cusp is larger than the DL cusp
mand 2nd premolar
144
.
■ Mesial marginal ridge has slight concavity.
mand 2nd premolar
145
Root is longer than the mandibular first premolar.
■ Apex closest to mental foramen
mand 2nd premolar
146
Occludes with maxillary first and second premolars
mand 2nd premolar
147
mand 1st molar
Largest mandibular tooth.
■ Widest tooth (M-D).
148
First permanent tooth to erupt, and most often restored/extracted.
mand 1st molar
149
Can see all 5 cusps from the buccal.
■ Buccal cusps are shorter and blunter then the lingual cusps.
mand 1st molar
150
Occlusal shape is pentagonal; proximal shape is rhomboidal (tilted
lingually 15–20°).
mand 1st molar
151
5 cusps: MB (largest), DB, distal (smallest), ML (tallest), DL.
mand 1st molar
152
Occlusal pattern resembles a +\< with a twisted central groove
mand 1st molar
153
Has two transverse ridges, three fossae with pits, two buccal grooves
(MB and DB), and a short lingual groove
mand 1st molar
154
mand 1st molar
Roots are usually widely separated.
155
The mesial root is longer and wider (B-L).
mand 1st molar
156
Both roots have concavities (mesial slightly more prominent).
mand 1st molar
157
The root trunk is typically shorter than the mandibular second
molar
mand 1st molar
158
mand 1st molar
Occludes with the maxillary second premolar and first molar.
159
Most symmetrical molar.
mand 2nd molar
160
Most common tooth to have cervical enamel projections
mand 2nd molar
161
The B-L dimension is greater at the mesial than distal
mand 2nd molar
162
Cusps are same height when viewed from buccal
mand 2nd molar
163
Occlusal shape is rectangular; proximal shape is rhomboidal (tilted
lingually 15–20°).
mand 2nd molar
164
4 cusps: MB (largest), DB, ML, DL.
mand 2nd molar
165
Occlusal pattern resembles a + with a straight central groove.
■
mand 2nd molar
166
Has two transverse ridges, three fossae with pits, three secondary grooves,
one buccal groove with a pit, and a short lingual groove.
mand 2nd molar
167
Roots are closer together than the mandibular first molar and inclined distally.
mand 2nd molar
168
The root trunk is typically longer than the mandibular first molar
mand 2nd molar
169
Occludes with the maxillary first and second molar.
mand 2nd molar
170
mand 3rd molar
Most variable morphology (with maxillary third molar).
171
Most common congenitally missing tooth.
■ Most frequently impacted tooth.
mand m3rd molar
172
Most common tooth to have enamel pearls (with maxillary third molars).
mand 3rd molar
173
Has bulbous crown that tapers distally.
mand 3rd molar
174
mand 3rd molar
Occlusal shape can be similar to mandibular first or second molars;
proximal shape is rhomboidal (tilted lingually 15–20°).
175
Occlusal shape can be similar to mandibular first or second molars;
proximal shape is rhomboidal (tilted lingually 15–20°).
mand 3rd molar
176
4 or 5 cusps: MB, DB, distal (can be absent), ML, DL.
mand 3rd molr
177
MB cusp \> DB cusp
mand 3rd molar
178
mand 3rd molar
Has an irregular groove pattern.
179
Roots are usually short, distally inclined, and often fused.
mand 3rd molar
180
Typically has distally inclined root trunk and apices
mand 3rd molar
181
mand 3rd molar
Occludes with maxillary second and third molar
182
There are 20 total
primary teeth
183
There are no premolars.
in prim. teeth
184
A-T
primary teeth
185
Lighter (whiter) in color
Thinner (only about 1 mm thick)
enamel of primary teth
186
Less calcified (more caries prone)
No mamelons (but still develop from lobes)
Stops abruptly at the CEJ
enamel of primary teeth
187
Thinner (easier to have pulp exposure)
primary teeth
188
More bulbous (larger cervical bulges)
Buccal and lingual surfaces are flatter above the HOC
crown of primary teeth
189
Smaller occlusal tables
Fewer grooves and pits (shallower and smoother
primary teeth
190
Anterior crowns: wider M-D and shorter inciso-cervically
Posterior crowns: narrower M-D and shorter occluso-cervially
crown of primary teeth
191
More constricted (narrower cervix)
CEJ of primary teeth
192
Shorter
Narrower
root trunk of Primary teeth
193
Longer and more slender relative to crown size
Smaller crown:root ratio
root of primary teeth
194
root of primary tooth
* More tapered (anterior teeth)
More divergent (posterior teeth)
195
Allows for proper alignment of the permanent incisors.
■ Occurs in about 50% of primary dentitions.
prim. space
196
max primary space
Maxillary: Between lateral incisor and canine (mesial to canine).
197
■ Mandibular: Between canine and first molar (distal to canine
mand. primary space
198
Maxillary: 68.2 mm (longer).
max arc length
199
Mandibular: 61.8 mm.
mand arc length
200
Straighter incisal edge than permanent maxillary central.
■ No mamelons.
primary central inc.
201
primary CI
Prominent facial and lingual cervical ridges.
202
Occludes with mandibular central and lateral incisors.
primary CI
203
Straighter incisal edge than permanent maxillary lateral.
■ No mamelons.
primary LI
mac
204
Prominent facial and lingual cervical ridges.
primary LI
max
205
primary LI
max
Occludes with mandibular lateral incisor and canine.
206
primaary canine
max
Only primary tooth in which facial shape is pentagonal (not trapezoidal
207
Longer and sharper cusp than permanent maxillary canine
primary canine
max
208
primary canine
max
Only primary tooth with mesial cusp ridge \> distal cusp ridge.
209
Occludes with mandibular canine and first molar
primary canine
max
210
primary 1st molar
max
Smallest primary molar.
■ Generally resembles a permanent maxillary premolar
211
Occlusal shape is rectangular.
■ Occlusal surface has H-shaped configuration.
primary 1st molar
max
212
primry 1st molar
max
Has a prominent buccal cervical ridge.
213
primary 1st molar
max
4 cusps: MB (largest), ML (sharpest), DB, DL (smallest).
214
primary 1st molar
max
Occludes with mandibular first and second molars.
215
Generally resembles permanent maxillary first molar but smaller.
■ Occlusal shape is rhomboidal.
prim. 2nd molar
max
216
Widest (B-L) primary tooth.
■ Has a prominent buccal cervical ridge.
primary 2nd molar
max
217
prim. 2nd molar
max
Has an oblique ridge.
218
4 cusps: MB (largest), ML (almost as large as MB), DB, DL (smallest).
primary 2nd molar
max
219
May have a fifth cusp of Carabelli.
prim. 2nd molar
max
220
Occludes only with mandibular second molar.
primary 1stmolar
MAx
221
Straighter incisal edge than permanent mandibular central.
■ No mamelons.
mand CI
222
Prominent facial and lingual cervical ridges.
■ Occludes only with maxillary central incisor.
prim. CI
223
Straighter incisal edge than permanent mandibular lateral.
■ No mamelons
prim.mand LI
224
Prominent facial and lingual cervical ridges.
■ More exaggerated incisal edge slope than permanent mandibular lateral.
prim. mand LI
225
Occludes with maxillary central and lateral incisors.
primary mand LI
226
primary mand canine
Distal cusp ridge \> mesial cusp ridge.
227
primary mand canine
Occludes with maxillary lateral incisor and canine.
228
https://drive.google.com/open?id=0B8uJUY-tie8GR2dNMHp6VzlRRVU
https://drive.google.com/open?id=0B8uJUY-tie8GRVVybFZMNG1LS3M
229
