Dental Anatomy Compendium Flashcards
1
Q
What is the formula for the primary dentition per maxillary/mandibular quadrant?
A
i 2/2
c 1/1
m 2/2
2
Q
What is the formula for the permanent dentition per maxillary/mandibular quadrant?
A
i 2/2
c 1/1
p 2/2
m 3/3
3
Q
What in the Contact area of Maxillary Lateral incisors (M and D)?
A
M - Junction of incisal & middle 1/3
D - Middle 1/3
4
Q
Contact area of Maxillary canine (M and D)
A
M - Junction of incisal & middle 1/3
D - Middle 1/3
5
Q
Contact area of MANDIBULAR central incisors and lateral incisors (M and D)
A
M - Incisal 1/3
D - Incisal 1/3
6
Q
What in the Contact area of Maxillary Central incisors (M and D)?
A
M - Incisal 1/3
D - Junctional of Incisal & Middle 1/3
7
Q
Contact area of mand canine (M and D)?
A
M - Incisal 1/3
D - Middle 1/3
8
Q
What are the letters for the contact areas for the Maxillary and Mandibular anterior teeth (incisocervically) ?
A
Maxillary: IJ JM JM
Mandibular: II II IM
9
Q
GENERALLY, where is the occlusocervical contact area on posterior teeth? and what are the 2 exceptions?
A
Middle 1/3 of crown (M contact more occlusally) (contact area = ovoid, slightly wider F/L)
Exception :
- Mand 1st premolar M contact which is more cervical due to sloped MMR
- Max and mand molars M contacts are at junction of occl and middle 1/3
10
Q
GENERALLY, where is the faciolingual proximal contact area located?
A
- ALL teeth have contact areas on Middle 1/3 (posterior teeth slightly more facial).
- Posterior teeth tend to have theirs slightly more facial
11
Q
All teeth generally have facial heights of contour at the _________ of the crown although Mandibular Molars are more @ junction of _________ & __________
A
-Cervical 1/3
- Cervical
- Middle 1/3
12
Q
Facial heights of contour are also termed _________ and extend in a _______________ direction parallel to the _______________
A
- Cervical ridges
- Mesiodistal
- Cervical line (CEJ)
13
Q
Facial heights of contour are most prominent on ____________ .
They are least prominent on _____________.
A
- Mandibular posterior teeth
- Mandibular anterior teeth
14
Q
Anterior teeth have lingual heights of contour at the _________ of crown. Also termed _____________
A
- Cervical 1/3
- Cervical ridges
15
Q
Posterior teeth have lingual heights of contour at the ________ of the crown. What is the exception to this?
A
- Middle 1/3
- Exception: Mand 2nd PREMOLAR - lingual ht. of contour is occlusal 1/3 (due to diminished lingual crown height & cusp size)
16
Q
CEJ is also known as what?
A
Cervical line
17
Q
The CEJ dips ___________ on the proximal surfaces of teeth
A
incisally/occlusally
18
Q
The CEJ dips more so on the ________ teeth than the _______ teeth.
A
- Anterior
- Posterior
19
Q
The CEJ dips more on the __________ ____________ surface than on the __________
A
- Mesial proximal
- Distal
20
Q
The CEJ dips more so on __________ teeth than on ________ teeth
A
- Maxillary
- Mandibular
21
Q
On which tooth and surface would the most SEVERE CURVATURE be found on?
A
The mesial surface of the MAXILLARY CENTRAL INCISOR
22
Q
On which tooth and surface would the LEAST CURVATURE be found on?
A
Distal surface of the MANDIBULAR 3rd MOLAR
23
Q
What can be found around every tooth contact area: occlusal (incisal), lingual, gingival, and facial?
A
4 V-shaped (embrasures)
24
Q
Lingual embrasures are _________ than facial embrasures on all permanent teeth because of _____________.
- (Generally teeth are _________ facially than they are lingually)
- Exceptions?
A
- Wider
- Faciolingual convergence
–wider
Exceptions:
- 1) Max 1st MOLAR
2) 3-cusp variety mandibular 2nd PREMOLAR b/c lingual calibration on these 2 teeth is greater than it is on facial
3) Mandibular Central Incisors–facial & lingual embrasures are same size
25
Top 5 largest incisal embrasures
1. Max lateral incisors and canine (LARGEST)
2. Mand lateral incisors and canine
3. Max central and lateral incisors
4. Max central incisors
5. Mand central and lateral incisors
26
What is the smallest incisal embrasure?
Between the Mandibular central incisors (SMALLEST)
27
What is the LARGEST occlusal embrasure?
Between Maxillary CANINE and 1st PREMOLAR
28
When do primary teeth show first evidence of calcification in utero ?
2nd trimester (~14 weeks)
29
Which primary teeth complete calcification by 11 months ?
Maxillary 2nd Molars
30
Primary mandibular teeth usually erupt before ___________ counterparts?
-Maxillary
31
Which primary teeth are the first to erupt? In how many months?
- Mandibular CENTRAL incisors
| - 8-10 months
32
Which primary teeth are last to erupt? In how many months?
- Maxillary 2nd Molars
| - 29 months
33
All primary roots have completed formation by?
39 months (maxillary canines)
34
Which primary maxillary tooth erupts at 10 months?
Central incisor (E, F)
35
Which primary maxillary tooth erupts at 11 months?
Lateral incisor (D, G)
36
Which primary maxillary tooth erupts at 19 months?
Canine (C, H)
37
Which primary maxillary tooth erupts at 16 months?
1st molar (B, I)
38
Which primary maxillary tooth erupts at 29 months?
2nd molar (A, J)
39
When is the first evidence of calcification for primary Maxillary centrals (E, F)
14 weeks
40
When is the first evidence of calcification for primary Maxillary laterals (D, G)
16 weeks
41
When is the first evidence of calcification for primary Maxillary canines ( C, H)
17 weeks
42
When is the first evidence of calcification for primary Maxillary 1st (B, I) and 2nd molars (A, J) ?
1st= 15
2nd= 19
43
When is the crown completed for primary Maxillary centrals (E, F)
1.5 months
44
When is the crown completed for maxillary primary Laterals (D, G)
2.5 months
45
When is the crown completed for primary Maxillary canines (C, H)
9 months
46
When is the crown completed for primary Maxillary First Molars (B, I)
6 months
47
When is the crown completed for primary Maxillary Second Molars (A, J)
11 months
48
When is the root completed for primary Maxillary centrals (E, F)
1.5 years
49
When is the root completed for maxillary primary Laterals (D, G)
2 yrs
50
When is the root completed for primary Maxillary canines (C, H)
3.25 years
51
When is the root completed for primary Maxillary First Molars (B, I)
2.5 yrs
52
When is the roots completed for primary Maxillary Second Molars (A, J)
3 yrs
53
When is the primary Maxillary centrals exfoliated (E, F)
6.5 yrs
54
When is the maxillary primary Laterals exfoliated (D, G)
7.5 yrs
55
When is the primary Maxillary canines exfoliated (C, H)
11 yrs
56
When is the primary Maxillary First Molars exfoliated (B, I)
10 yrs
57
When is the primary Maxillary Second Molars exfoliated (A, J)
11 yrs
58
Which mandibular primary tooth erupted at 8 months?
Mandibular central (P,O)
59
Which mandibular primary tooth erupted at 11 months?
Mandibular lateral (Q, N)
60
Which mandibular primary tooth erupted at 19 months?
Canines (R, M)
61
Which mandibular primary tooth erupted at 16 months?
1st molar (S, L)
62
Which mandibular primary tooth erupted at 27 months?
2nd molar (T, K)
63
When is the first evidence of calcification for primary Mandibular centrals ?
14 weeks (in utero)
64
When is the first evidence of calcification for primary Mandibular laterals ?
16 weeks (in utero)
65
When is the first evidence of calcification for primary Mandibular canines ?
17 weeks (in utero)
66
When is the first evidence of calcification for primary Mandibular 1st and 2nd molars ?
1st molars: 15.5 weeks (utero)
2nd molars: 18 weeks (utero)
67
which primary mandibular tooth has a crown completed at 2.5 months?
centrals
68
which primary mandibular tooth has a crown completed at 3 months?
laterals
69
which primary mandibular tooth has a crown completed at 9 months?
canines
70
which primary mandibular tooth has a crown completed at 5.5 months?
1st molars
71
which primary mandibular tooth has a crown completed at 10 months?
2nd molars
72
which primary mandibular teeth have roots completed at 1.5 years?
centrals and laterals
73
which primary mandibular tooth has a root completed at 3.25 years?
canines
74
which primary mandibular tooth has a root completed at 2.25 years?
1st molars
75
which primary mandibular tooth has a root completed at 3 years?
2nd molars
76
which primary mandibular tooth is exfoliated at 6.5 years?
centrals
77
which primary mandibular tooth is exfoliated at 7.5 years?
laterals
78
which primary mandibular tooth is exfoliated at 10.5 years?
canines
79
which primary mandibular tooth is exfoliated at 10 years?
1st molars
80
which primary mandibular tooth is exfoliated at 11 years?
2nd molars
81
Which permanent teeth are the first to initiate calcification and do so after birth?
1st molars
82
Mandibular teeth erupt before their __________ counterparts except the maxillary ______________ which may erupt at the __________ time or before the mandibular ______________
- maxillary
- 2nd PREMOLARS
- same
- 1st PREMOLARS
83
Which teeth are the first permanent teeth to erupt ?
- At which age?
- what does this initiate?
- 1st molars (at 6 yrs of age)
| - This initiates the "mixed dentition" phase
84
Which permanent teeth are the 1st succedaneous teeth to erupt?
-when does this occur?
- Mandibular central incisors
| - 6-7 yrs of age
85
Which permanent teeth are the LAST succedaneous teeth to erupt?
Maxillary canines
86
Which permanent teeth are the LAST to initiate calcification?
-At what age?
- 3rd molars
- 9 years old
Note: Also the LAST to complete crown formation & erupt
87
Which permanent teeth initially calcify at 3.5 months?
Maxillary & Mandibular CENTRALS
| and Mandibular Laterals
88
Which permanent teeth initially calcify at 1 year?
Maxillary laterals
89
Which permanent teeth initially calcify at 2 years?
Maxillary and Mandibular 1st and 2nd PREMOLARS
90
Which permanent teeth initially calcify at 3 years?
Maxillary and Mandibular 2nd Molars
91
Which permanent teeth initially calcify at 9 years?
Maxillary and Mandibular 3rd Molars
92
Which permanent teeth initially calcify at birth?
Maxillary and Mandibular 1st Molars
93
Which permanent teeth initially calcify at 4.5 months?
Maxillary and Mandibular Canines
94
In a Facial or Lingual view all teeth are _____________ with the _________ parallel side oriented cervically (gingival)
- TRAPEZOIDAL
| - shorter
95
In a proximal view, all anterior teeth are ________________ with the apex oriented _________
- TRIANGULAR
| - incisally
96
In a proximal view, maxillary posterior teeth are ___________. With the _________ parallel side orientated occlusally
- TRAPEZOIDAL
| - shorter
97
In a proximal view, Mandibular posterior teeth are ___________
-RHOMBOIDAL
98
In a proximal view, which teeth are centered over the long axis bisector of the tooth ?
Maxillary incisors
99
In a proximal view, which teeth have a cusp tip that is centered over or slightly facial to the ling axis bisector of the tooth (never lingual)
Maxillary canines
100
In a proximal view, which teeth are lingual to the long-axis bisector of the tooth?
Mandibular Incisors & canines
101
The mesial cusp ridge is slightly shorter that the distal cusp ridge in which teeth?
-Exceptions?
Teeth with one facial cusp
EXCEPTIONS:
1) MAX 1st PREMOLAR
2) PRIMARY MAX CANINES
102
________ of teeth when measured occlusocervially tend to get __________ from the canine to the __________
- Crowns
- shorter
- 3rd molar
103
All teeth develop from ________ lobes
Exceptions?
4 lobes
- EXCEPTIONS:
1) Permanent MAX 1st molar
2) Permanent MAND 1st molar
3) 3-cusp MAND 2nd Premolar (all exceptions develop from 5 lobes)
104
Generally the _________ portion of a tooth is better developed and measures more ________________ as well as ______________ than does the _______ portion
- Mesial
- Occlusocervically
- Cervivoapically
- distal
105
When comparing like classifications of teeth (molars vs premolars) the more ___________ the tooth, there is the likelihood for it to have more ____________ anatomy, sometimes termed ___________ anatomy.
- Posterior the tooth
- Supplemental
- "tertiary anatomy" (supplemental ridges, grooves, etc)
Note: 3rd M > 2nd M > 1st M
106
The LARGEST cusp on molars will be the __________ supporting cusp.
Maxillary?
Mandibular?
- Mesial
- MAX: ML
- Mandibular MF
107
The roots of all teeth are inclined ________
distally
108
If a single root has _______ canals, they will be oriented one ______________ and one _______________
- 2 canals
- Facial
- Lingual
109
Teeth erupt with as many ___________ as they have cusps. The ________ follows the overall outline of the crown so its WIDEST portion will correlate to the _________ of the __________
-Pulp horns
-Pulp chamber
-WIDEST
Crown
110
Single molar MF root with more than one canal is ?
Maxillary 1st molar
111
Single molar M root with more than one canal is ?
- Mandibular 1st molar
| - Mandibular 2nd molar
112
Single molar D root with more than one canal ?
- Mandibular 1st (31.6%) molar
| - Mandibular 2nd (14.9%) molar
113
Which tooth has M & D root depressions and is also the anterior tooth most linked to have BIFURCATED ROOT?
Mandibular canine
114
Which tooth has M & D that is the next most likely, root depressions?
Mandibular lateral incisors (next most likely)
115
Which tooth rarely & least likely has M & D root depression
Mandibular central incisors
116
Which teeth do NOT HAVE multiple canals?
-Maxillary anterior teeth
117
Which teeth have 2 canals (ALWAYS) and 2 roots (usually) ; F and L rarely 3 but if so MF, DF, & L ?
MAX premolars
118
Which variant pulp morphology can have 2 canals & occasionally 2 root?
Maxillary premolars
119
Mandibular 2nd Premolars MOST likely have ________ root and _________ canal:
- 1 root
| - 1 canal
120
Which tooth is the only tooth with a pulp WIDER Mesiodistally than Faciolingually?
Maxillary central incisor
121
Which tooth is significant faciolingual faber, hence the pulp chamber are TRIANGULAR when viewed incisally in cross section?
Maxillary central & laterals incisors
122
What are the characteristics of Maxillary Central incisors?
1) M-D crown dimension GREATEST of ANY ANTERIOR
2) M curvature of cervical line toward incisal GREATEST of any tooth
3) Incisal ridge CENTERED LABIOLINGUALLY
123
What are the characteristics of Max Laterals?
1) M-D crown dimension SMALLEST of any MAX tooth
2) Tooth w/ MOST developmental abnormalities (exempting 3rd molars)
3) MOST cervically located contact area of any incisor (centered D contact area)
4) M-D ( 6.5 mm) and F-L ( 6.0 mm) dimensions CLOSER than any other anterior
5) Incisal ridge centered labiolingually
124
What are the characteristics of MAND Centrals?
1) Crown SMALLEST of any tooth
2) Bilaterally symmetrical crown
3) PRoximoincisal line angles SHARPEST of any tooth
(shared w/ MI line angle of MAX lateral incisor)
4) Proximal Contact at the same level as incisal 1/3
5) incisal edge lingual to FL bisector (shared w/ all MAND ANT teeth)
6) Unique characteristics shared w/ MAND LATERAL
- FEWEST facial Dev. depression, line & groove
- SMOOTHEST lingual contours
- LEAST developed Cingulum
125
What are the features for MAND LATERALS?
1) Crown "twisted" on root; seen from 2 views
- Mesial: can be seen lingually of DMR
- Incisal : from mesial --> distal, incisal ridge curves lingually
2) Shared unique characteristics w/ Mandibular Central
3) MI line angle sharp; DI less so
126
Which tooth/teeth has...
1) The GREATEST overall tooth length
2) Longest root length of any maxillary/ mandibular teeth?
1) Mandibular Canine and Maxillary Canine
2) Maxillary Canine- LONGEST of any tooth
Mandibular Canine- LONGEST of any Mandibular tooth
127
Which tooth has F-L dimensions greatest of any anterior tooth?
Maxillary Canine
128
Which tooth has a Distal bulge (pinched or stretched distally)
Maxillary Canine
129
Which tooth is the ONLY premolar with mesial cusp ridge linger than dotal cusp ridge (facial cusp) ?
Maxillary 1st Premolar
130
Which tooth has an I-C crown length GREATEST of any tooth?
Mandibular Canine
131
Which tooth has a cusp tip centered w/ or Facial to FacioLingual bisector (never lingual) ?
Maxillary Canine
132
Which tooth has a Mesial crown & root surfaces aligned in a straight line?
Mandibular Canine
133
Which tooth has the greatest cervical prominence of any anterior tooth?
Maxillary Canine
134
Which tooth from a proximal view: facial crown and root curvature "C" shaped
Mandibular Canine
135
Which tooth has a Facial ridge prominence greatest of any anterior tooth?
Maxillary Canine
136
Which tooth has Distal contact area centered F-L and C-I ?
Maxillary Canine
137
Which tooth has a cusp tip/incisal edge Lingual to FacioLingual bisector(shared with all mandibular anterior teeth)
Mandibular Canine
138
Which tooth has a ML & DL fossae each have distinct boundaries w/ the Lingual ridge being common to BOTH and the cingulum being the MOST cervical boundary of each
Mandibular Canine
139
Which tooth has a Mesial marginal ridge (developmental) groove ?
Maxillary 1st Premolar
140
Which tooth has a Mesial crown concavity?
Maxillary 1st Premolar
141
Which tooth has a Mesial root depression?
Maxillary 1st Premolar
142
Which tooth has a L cusp 1.0 mm shooter than F cusp?
Maxillary 1st Premolar
143
Which tooth has a deep central developmental groove?
Maxillary 1st Premolar
144
Which tooth has more bilaterally symmetrical than any other posterior tooth?
Maxillary 2nd Premolar
145
Which tooth has the presence of ML groove (unique, only tooth to have this developmental groove)
Mandibular 1st Premolar
146
Which tooth has F-L frown dimension smallest of any posterior tooth and the same as the mandibular canine (7.5mm)
Mandibular 1st Premolar
147
Which tooth has cusp heights closer than any other premolar ?
Maxillary 2nd Premolar
148
Which tooth has M and D fossae closer to one another than any other posterior tooth?
Maxillary 2nd Premolar
149
Which tooth has FL (7.5mm) ---MD (7.0 mm) crown dimensions closer than any other mandibular tooth hence occlusal crown from is said to be diamond shaped?
Mandibular 1st Premolar
150
Which tooth has 2 varieties:
(a) 2-cusp: "U" or "H" occlusal groove pattern
(b) 3-cusp: "Y" occlusal groove pattern & more common
Mandibular 2nd Premolar
151
Which tooth has M contact area cervical to D contact area?
Mandibular 1st Premolar
152
Which tooth is sloped occlusal surface visible from lingual aspect?
Mandibular 1st Premolar
153
Which tooth has a M marginal ridge slopes lingually (45 degrees) and is cervical to D marginal ridge?
Mandibular 1st Premolar
154
Which tooth has 3-cusps ONLY premolar w/ multiple lingual cusps and develops from 5 lobes?
Mandibular 2nd Premolar
155
Which tooth has a L cusp that is small, non-functional and almost cingulum-like ?
Mandibular 1st Premolar
156
Which tooth has 3-cusp and is the ONLY premolar with a LINGUAL GROOVE?
Mandibular 2nd Premolar
157
This tooth and the 3-cusp variety mandibular 2nd premolar are the ONLY permanent teeth where the Mesiodistal lingual calibration is greater than on the facial
Maxillary 1st Molar
158
Which has 3-cusp and is the ONLY premolar with a CENTRAL FOSSA?
Mandibular 2nd Premolar Mandibular 2nd Premolar
159
Which tooth is a 3- cusp premolar and Maxillary 1st molar ONLY permanent teeth where the lingual calibration measures greater than facial, i.e. the crown does not taper Faciolingually ?
Mandibular 2nd Premolar
160
Which tooth is a 3-cusp premolar L height of contour in occlusal 1/3 of crown ?
Mandibular 2nd Premolar
161
Which tooth is a 3-cusp premolar and the MOST likely premolar to be congenitally missing ?
Mandibular 2nd Premolar
162
Which tooth has a 5th cusp (Carabelli) augments lingual surface of the ML cusp ?
Maxillary 1st Molar
163
Which tooth has 4 primary cusps, RARELY a 5th cusp?
Maxillary 2nd Molar
164
Which tooth has an Oblique ridge (all maxillary molars) formed by the Distal cusp ridge of the ML cusp and the Triangular ridge of the DF cusp ?
Maxillary 1st Molar
165
Which tooth has a Primary cusp triangle (all maxillary molars): MF, DF & ML cusps
Maxillary 1st Molar
166
Which tooth is centered towards the distal contact area?
Maxillary 1st Molar
167
Which tooth has diminished DL cusp size, and the primary cusp triangle remains?
Maxillary 2nd Molar
168
Which tooth has a CENTERED distal contact area?
Maxillary 2nd Molar
169
Which tooth has an Oblique ridge (all maxillary molars)
Maxillary 2nd Molar
170
Which tooth has the SMALLEST OC crown dimension of ANY tooth?
Maxillary 3rd Molar
171
Which tooth has the shortest root(s) of any Maxillary tooth
Maxillary 3rd Molar
172
Which tooth has a more distal inclination of roots of any maxillary tooth?
Maxillary 3rd Molar
173
Which tooth has a primary cusp triangle present (heart showed crown) or many have vestige of DL cusp (talon)
Maxillary 3rd Molar
174
Which tooth has the LARGEST M-D crown dimension of any tooth (11.0 mm)
Mandibular 1st Molar
175
Which tooth has multiple supplemental ridges & grooves?
Maxillary 3rd Molar
176
Which tooth has the LARGEST F-L crown dimension of ANY mandibular tooth (10.5 mm)
Mandibular 1st Molar
177
Which tooth has an Oblique ridge (all maxillary molars)
Maxillary 3rd Molar
178
Which tooth has the LARGEST O-C crown dimension of any mandibular molar?
Mandibular 1st Molar
179
Which tooth has the LONGEST root length of any molar (14.0 mm)
Mandibular 1st Molar
180
Which tooth has GREATEST Mesiodisal roots separation of any tooth?
Mandibular 1st Molar
181
Which tooth has a characteristic MF crown prominence?
Mandibular 2nd Molar
182
Which tooth has a M root that has the GREATEST F-L dimension of any root
Mandibular 1st Molar
183
Which tooth is the ONLY tooth w/ 2 facial developmental grooves?
Mandibular 1st Molar
184
Which tooth has a characteristic "+" shaped occlusal groove pattern
Mandibular 2nd Molar
185
Which tooth has ALL cusps of "near" equal size?
Mandibular 2nd Molar
186
Which tooth has a centered Distal Proximal contact (along w/ maxillary lateral incisor, canine, 1st molar and 2nd molar) ?
Mandibular 2nd Molar
187
Which tooth has the SMALLEST OC crown dimension of any mandibular tooth?
Mandibular 3rd Molar
188
Which tooth has the WIDEST tooth Mesiodistally ?
Mandibular 1st Molar
189
Which tooth is MORE bulbous crown form than any other mandibular tooth?
Mandibular 3rd Molar
190
Which tooth has a MORE Distal root inclination than any other mandibular tooth ?
Mandibular 3rd Molar
191
Which tooth has the SHORTEST root(s) of any mandibular teeth?
Mandibular 3rd Molar
192
Which tooth has multiple supplemental ridges & groove?
Mandibular 3rd Molar
193
Which tooth is the WIDEST primary tooth Mesiodistally?
Mandibular 2nd Molar
194
Which tooth is the WIDEST anterior tooth Mesiodistally?
Maxillary Central
195
Which tooth is the WIDEST tooth Faciolingually?
Maxillary 1st Molar
196
Which tooth is the WIDEST primary tooth Faciolingually?
Maxillary 2nd Molar
197
Which tooth is WIDEST anterior tooth Faciolingually ?
Maxillary canine
198
Which tooth is the ONLY tooth w/ a pulp chamber WIDER mesiodistally than Faciolingually?
Maxillary Central
199
Which teeth are the ONLY teeth to measure WIDER lingually than facially?
1) Primary MAX 2nd Molar
2) Permanent MAX 1st Molar
3) 3-cusp Variety Mandibular 2nd Premolar
200
Which teeth are considered the LONGEST teeth (from cusp tip to root tip)
1) MAX canine & MAND canine (BOTH 27.0 mm)
201
Which tooth has the LONGEST root (CEJ to apex)
Maxillary Canine (17.0 mm)
202
Which tooth has the TALLEST crown incisogingivally?
1) Mandibular canine ( 11.0 mm ) >
2) Maxillary Central ( 10.5 mm) >
3) Maxillary Canine ( 10.0 mm)
203
The Maxillary Lateral (other than the 3rd molars, are the MOST common permanent tooth to have anomalies). What are they?
1) Dens in dente
2) Congenitally missing (2nd MOST common tooth)
3) Microdontia
4) Peg lateral
5) Supernumerary
204
What is Mesiodens?
The MOST common incident of a supernumerary tooth (between Maxillary central incisors)
205
Which tooth is MOST likely premolar to be congenitally missing?
Mandibular 2nd premolar
206
Which tooth is MOST common tooth to be congenitally missing or malformed?
3rd Molars
207
Which tooth has the SMALLEST anatomical crown?
Mandibular Central
208
Which Anterior tooth has the MOST symmetrical anatomical crown?
Mandibular Central
209
Which Posterior tooth has the MOST symmetrical anatomical crown?
Maxillary 2nd Premolar
210
Which tooth has the NARROWEST M-D measurement ?
Mandibular Central
211
Which tooth has the BEST developed lingual anatomy?
Maxillary Lateral
212
Which tooth is the ONLY tooth with a Linguogingival Groove
Maxillary Lateral
213
Which tooth is the ONLY tooth w/ a Mesiolingual groove?
Mandibular 1st Premolar
214
Which tooth is the ONLY tooth w/ a Mesial marginal developmental groove?
Maxillary 1st Premolar
| Maxillary molars may have Supplemental marginal grooves
215
Which tooth has the SMALLEST facial embrasure in the mouth or the SMALLEST lingual embrasure in the mouth is between what?
The TWO Mandibular central incisors
Note: They are ESSENTIALLY of EQUAL SIZE
216
What is Concrescence?
The cementum of 2 proximal teeth is FUSED together. When seen usually associated w/ 2nd & 3rd Molars as well as anterior teeth.
217
Which teeth are usually IMPACTED?
-Most seen in:
1) 3rd MOLARS
2) MAXILLARY CANINES
3) MANDIBULAR 2nd PREMOLARS
