DA Fun Facts (in order) Flashcards
(298 cards)
1
Q
The primary tooth that has the most distinctly prominent facial cervical ridge is ____
A
Mandibular 1st molar
2
Q
The lingual cusp of the maxillary premolars is off set to the ____
A
Mesial. The 1st more than the 2nd
3
Q
The primary _____ generally exhibits cusp of Carabelli
A
Maxillary Second Molar
4
Q
Mamelons that remain beyond the age of 10 generally indicate an ____
A
open bite
5
Q
Mandibular ____ and Maxillary ____ generally occlude with only one opposing tooth
A
Central incisors, third molars
6
Q
The developmental groove between the df cusp and the dl cusp of the mandibular 1st molar is called the ____
A
distofacial groove
7
Q
The roots of the maxillary second molar tend to be less ____ and have greater ____ inclinations than the first molar
A
divergent, distal
8
Q
The teeth whose function is primarily biting are ____ and ____
A
incisors and canines
9
Q
The tooth with the longest root is the ____
A
Maxillary canine
10
Q
The groove pattern for the mandibular first molar is considered a ____
A
Y (dryopethicus) pattern
11
Q
The groove pattern for the mandibular second molar is consider a ____
A
Cross (+) pattern
12
Q
When compared to a maxillary canine the mandibular canine has proximal contact areas located more ____
A
incisally
13
Q
The mandibular 1st PREmolar, the mesial marginal ridge located more ____ than the distal
A
cervical
14
Q
The oblique ridge of maxillary molar forms the ____ boundary of the central fossa
A
distal
15
Q
A transverse ridge results from the union of the ____ and ____ triangular ridges
A
facial, lingual
16
Q
For multirooted teeth dentin continues to form MOST rapidly at the ____ and ____ of the pulp chamber
A
floor and roof
17
Q
____ are the only anterior teeth that are wider mesio-distally than facio-lingually
A
Maxillary incisors
18
Q
____ are the only maxillary teeth that are wider mesio-distally than facio-lingually
A
Maxillary incisors
19
Q
____ are the only posterior teeth that are wider mesio-distally than facio-lingually
A
Mandibular Molars
20
Q
____ are the only mandibular teeth that are wider mesio-distally than facio-lingually
A
Mandibular Molars
21
Q
Mandibular 1st molar usually has ____ roots and ____ canals
A
2 roots, 3 canals
22
Q
Mandibular 1st molars usually have two canals in the ____ root
A
mesial
23
Q
The primary ____ is the primary tooth that generally has an oblique ridge
A
maxilary 2nd molar
24
Q
The mesiolingual cusp of the Maxillary molars occludes in the ____ of the mandibular molars
A
central fossa
25
The distobuccal cusp of the mandibular molars occludes in the ____ of the maxillary molars
central fossa
26
The primary second molar exhibits ____ cusps than the primary first molar
more
27
The occlusal outline of a mandibular first molar is a ____
pentagon
28
The lingual concavity of the maxillary anterior teeth is most influenced by the ____
side shift of the mandible
29
The side shift of the mandible is also known as the ____
Bennet movement
30
The contact between a max central and lateral incisor makes the lingual embrasure ____ than the facial
larger
31
The non-molar tooth that most frequently has a mesial and distal pulp horn is the ____
maxillary central incisor
32
The cervical ridge is most prominent for primary maxillary teeth on the ____
MF surface of the 1st molar
33
The non-working condyle moves ____
downward, forward and medial
34
The non-molar tooth that most frequently exhibits three roots is the ____
maxillary 1st premolar
35
The dentin that is most highly mineralized is ____
intratubular (peritubular) dentin
36
The primary spacing for the anterior teeth is most frequently caused by ____
growth of the dental arches
37
The ____ are the only teeth that have potential of contacting both anterior and posterior teeth
Maxillary canine, mandibular 1st premolar
38
The mesiofacial and distolingual angles from the occlusal outline tend to be ____ angles
acute
39
This mesiolingual and distofacial angles from the occlusal outline tend to be ____ angles
obtuse
40
The obtuse corners coincide with the direction of the ____ ridge
oblique
41
The occlusal outline from an occlusal view for the maxillary first molar is ____
rhomboidal
42
There are a total of ____ teeth in the permanent dentition that normally have cingulums
12
43
All ____ teeth (12) generally have cingulums
anterior
44
The ____ is the anterior tooth that most frequently exhibits a bifurcated root
mandibular canine
45
The bifurcation for the mandibular canine roots when present creates a ____ and ____ root
facial, lingual
46
The cross section of the mandibular canine at the CEJ is ____ but wider mediodistally at the ____
ovoid, facial (labial)
47
The non-molar that is least likely to have a bifurcated root is the ____
maxillary central incisor
48
The size and position of the cusps are more identical for the ____ maxillary premolar than the ____ maxillary premolar
2nd, 1st
49
The ____ has the most pronounced developmental marginal groove of any max tooth
maxillary 1st premolar (mesial marginal developmental groove)
50
The Y type mandibular premolar has ____ facial and ____ lingual cusps
1, 2
51
The primary and permanent ____ is the most bilaterally symmetrical tooth
mandibular central incisor
52
The ____ generally have the most prominent marginal ridges of all anterior teeth
maxillary lateral incisors
53
____ have the most distinct and deepest lingual fossa’s of all anterior teeth
maxillary lateral incisors
54
The ____ is the posterior tooth that has the greatest cervico-occlusal crown height
maxillary 1st premolar
55
The oblique ridge connects the ____ and ____ cusps
mesiolingual, distofacial
56
The occlusal outline for the mandibular 1st premolar occlusal view is ____
diamond shaped
57
The last primary teeth to erupt are the ____
maxillary 2nd molars
58
The softest dental tissue is ____
cementum
59
The hardest dental tissue is ____
enamel
60
All premolars are wider ____ than ____
faciolingually, mesiodistally
61
The ____ has two cusps that are of equal height
maxilary 2nd premolar
62
The upper compartment of the tmj is that space between the ____ and the ____ and ____
disc, articular fossa, eminence
63
When a 4th pulp canal is present in a maxillary first molar it is located in the ____ root
Mesiofacial
64
The crown form of canines from a facial view is ____
pentagonal
65
____ have proximal contacts at approximately the same levels on mesial & distal
mandibular central incisors
66
The ____ and ____ have a mesial concavity that makes it difficult to adapt a matrix band
maxillary 1st premolar and mandibular 1st molar
67
When viewed from the occlusal the arrangement of the teeth are ____
parabolic
68
Viewed from the occlusal the 4 ____ are aligned in a straight line
mandibular posterior teeth
69
____ is the only primary posterior tooth to have oblique & transverse ridges &DL groove
Primary maxillary 2nd molar
70
The thickest section of the articular disc when seen in the sagittal plane is the ____
posterior border
71
Except for third molars the ____ exhibits the most deviation in crown morphology
maxillary lateral incisors
72
The ____ of the periodontal ligament provide the major support for a tooth during function
oblique fibers
73
The largest root of the maxillary molar is the ____
palatal
74
The smallest root of the maxillary molar is the ____
distofacial
75
The pulp chamber of a mature tooth contains ____
blood vessels, nerves and lymph vessels
76
The mandibular primary primate space is located between ____
canine and 1st molar
77
The occlusal table of a posterior tooth makes up ____ of the total facio-lingual dimension
55-65%
78
In a healthy mouth the alveolar process is thinnest around the ____
facial of the mandibular central incisors
79
The crown of the mandibular second molar inclines to the ____
mesial and lingual
80
True or False: The epithelial attachment is always an actual part of a tooth’s periodontium
TRUE
81
Continued eruption of a tooth through the surrounding tissue makes the clinical crown appear ____
longer
82
The primary ____ has a crown that somewhat resembles a permanent premolar
maxillary 1st molar
83
The maxillary first primary molar has a root that resembles a typical permanent ____
molar
84
____ plays the greatest role in discluding the posterior teeth in latero-protrusive movement
Anterior guidance
85
Viewed from the occlusal the basic coronal outline of a mandibular second premolar is ____
pentagonal
86
Ligaments associated with the TMJ serve to ____
protect surrounding and supporting tissues from damage
87
Facial view of a primary mandibular 1st molar the CEJ is most apically positioned toward the ____
mesial 1/3
88
The ____ has the greatest m-d diameter of all molars
Mandibular 1st molar
89
Other than 3rd molars the tooth that is most often congenitally missing is the ____
maxillary lateral incisor
90
The mesio-distal width of the mandibular lateral incisor is ____ than the mandibular central incisor
wider
91
The mesio-distal width of the maxillary lateral incisor is ____ than the maxillary central incisor
narrower
92
2 key features that differentiate a mandibular 1st & 2nd molar are the number of ____ and number of ____
developmental grooves, cusps
93
The incisal embrasure between the maxillary centrals is ____ than between the central and the lateral
smaller
94
The premolar that has a longer mesio-facial cusp ridge than disto-facial cusp ridge is the ____
maxillary 1st premolar
95
The ____ cusp of the maxillary 1st premolar is offset to the distal
facial
96
A common trait of maxillary premolars is that their ____ cusps are off set to the mesial
lingual
97
For molar teeth the root canals join the pulp chamber ____
apical to the CEJ
98
The ____ periodontal fibers travel from one root to an adjacent root surface
transseptal
99
The usually pattern of eruption for primary teeth is:
centrals, laterals, 1st molars, canines, 2nd molars
100
In the rare event of a second canal for a mandibular 1st premolar it is most likely located to the ____
lingual
101
The mesiolingual developmental groove on tooth # 21 originates from the ____
occlusal pit
102
The mesiolingual developmental groove on tooth # 21 extends onto the ____
proximal surface
103
The physiologic rest position is established when the ____
muscles of mastication are in tonic equilibrium
104
The ____ provide some degree of protection for lips, cheeks and tongue
overjet and overbite
105
The ____ of an anterior tooth is the first to calcify
incisal ridge
106
A crown of the maxillary first molar has a ____ distolingual groove than the second molar
shorter
107
The principle muscles that retrude the mandible are the ____
posterior fibers of the temporalis
108
____ is an excess of calcified tissue formation at the root apex
Hypercementosis
109
At mid root cross section of first molars the largest is the ____
mesial of the mandibular
110
The premolar with the steepest cusp inclines is the ____
maxillary 1st premolar
111
The primary mandibular 1st molar usually exhibits a ____ (negative anatomy on occlusal table)
mesial and distal triangular fossa
112
The maxillary lateral incisor is usually ____ the maxillary central in root length
equal to or larger than
113
The ____ angle of the maxillary lateral has the greatest convexity of all maxillary anterior teeth
distoincisal
114
The geometric form of anterior teeth when viewed from the proximal is ____
triangular
115
The ____ of maxillary molar is the only one that is not part of the molar cusp triangle
distolingual cusp
116
True or False: The mandibular central incisors have contact points at the same incisocervical level
TRUE
117
Mandibular molars have long axis of their root apices ____ and their crowns ____
facial, lingual
118
Caries stimulates the production of ____ dentin
tertiary
119
The largest cusp of the mandibular first molar is the ____
Mesiofacial
120
In cervical cross section the root of the mandibular canine is flattened in a ____ direction
mesiodistal
121
The primary ____ exhibits a prominent cervical ridge both on the facial and lingual surfaces
maxillary central incisor (tooth F)
122
____ is the predominant connective tissue for periodontal ligament fibers
Collagen
123
The ____ has a uniquely prominent triangular ridge
Mandibular 1st premolar
124
The ____ has frequently both a separate mesial and distal pit
Mandibular 1st premolar
125
The____ ligament limits the extent of jaw opening
Temperomandibular ligament
126
The ____ ligament initiates translation of the condyle down the articular eminence
Temperomandibular ligament
127
The tooth that is most likely forced into the maxillary sinus during an extraction is the ____
maxillary 1st molar
128
The ____ is an extrinsic muscle of the tongue that causes it to retract
styloglossus
129
Facial view of maxillary molars the apex of the lingual root is in line with the ____ of the tooth
facial groove
130
The premolar that is most likely to have a crescent-shaped central developmental groove is ____
Mandibular 2nd premolar
131
The ____ molar is the molar that most frequently has only 3 cusps
Maxillary 3rd
132
Mesiolingual groove is an identifying characteristic for the ____
Mandibular 1st premolar
133
Bennett movement occurs during the ____
earliest stage of lateral movement
134
The ____ muscles are primarily responsible for protrusive movement
lateral pterygoid
135
The lingual cusp of the ____ is approximately 2/3rds the height of the facial cusp
mandibular 1st premolar
136
The first succedanous tooth to erupt in the mouth is the ____
permanent mandibular central incisor
137
The Y type mandibular 2nd premolar has ____ of occlusal pits as the mandibular 1st molar
the same number
138
From the facial or lingual view canines have a ____ outline
pentagonal
139
The ____ has a distal concavity that can pose special problems in matrix placement
Maxillary 1st molar
140
The cervical cross section of the ____ exhibits a kidney shaped root outline
maxillary 1st premolar
141
The cervical cross section of the ____ exhibits a kidney shaped pulp chamber floor
Mandibular 1st premolar
142
The ____ lobe of the maxillary canine includes the cusp tip
middle facial
143
The number of lobes that form the anterior teeth is ____
4
144
The number of lobes that form the posterior teeth coincides with the number of ____
cusps
145
The ____ is the anterior-posterior curvature of the occlusal surfaces as seen in a facial view
Curve of Spee
146
The ____ periodontal ligament fibers reduces the likelihood of forceful impaction into the alveolus
Oblique
147
The height of contour is in the ____ for the facial surfaces of all teeth
gingival 1/3
148
The apex of the triangular-shaped boundary of the interproximal space is the ____ of the teeth
contact area
149
From a facial view the crown of a primary canine has a mesio-incisal slope ____ than the distoincisal
longer
150
The cusp tip of the primary canine is generally off set to the ____
distal
151
A primary molar lacks an identifiable ____
root trunk
152
The ____ from a proximal view tends to be positioned with the most nearly vertical axis
maxillary canine
153
____ is the cemental union of 2 fully formed teeth that were originally separate entities
Concrescence
154
The apex of a tooth is fully formed ____ after it erupts in the mouth
2-3 years
155
The ____ is the prime mover in effecting a left working movement
right lateral pterygoid
156
The mesial surface of the crown of the ____ is almost parallel to the long axis
mandibular canine
157
The smallest cusp of the mandibular 1st molar is the ____
distal cusp
158
The cross sectional outline at the cervical is roughly triangular for the permanent ____
maxillary 2nd molars
159
The TMJ has ____
2 synovial cavities
160
The cervical line of permanent teeth has the greatest depth of curvature on the ____ aspect of a tooth.
mesial
161
The primary ____ has the smallest faciolingual crown dimension
primary mandibular central incisor
162
The primary ____ has the most distinct transverse ridge
primary mandibular 1st molar
163
The condyle on the working side generally rotates about a ____ and ____
vertical axis, translates laterally
164
Occlusal view the greatest faciolingual diameter of a mandibular 2nd molar is in the ____
mesial 1/3
165
More of the occlusal surface can be seen from the mesial than distal for a ____
Mandibular 1st premolar
166
The Bennett movement is the bodily shift of the mandible ____ the working condyle
toward
167
The ____ of a Maxillary lateral incisor is an anatomical feature that complicates root planning
DL groove
168
Perikymata are a result of ____
normal enamel apposition
169
____ periodontal ligament fibers are most likely to be found in the middle 1/3 of the root
Oblique
170
The mandibular centrals and laterals most frequently have concave areas on ____ root surfaces
mesial and distal
171
The mandibular canine has a ____ cingulum than the maxillary canine
less prominent
172
The mandibular canine is ____ mesiodistally than the maxillary canine
narrower
173
The ____ has a continuous convex facial surface from incisal to apical end
mandibular canine
174
Accessory pulp canals may be found in the ____ of the root
cervical 1/3
175
Accessory pulp canals may contain ____ tissue
nervous and vascular
176
Accessory pulp canals may be found in ____ of molars
furcation areas
177
Accessory pulp canals allow the pulp tissue to ____
communicate with the PDL space
178
The TMJ is protected by ____, ____, ____, and ____
sinovial fluid, fibrocartilage, ligament suspension and masticatory muscles
179
The most caries prone surfaces of molars are the ____ and the ____
lingual of maxillary, facial of mandibular
180
The function of the pulp is to ____
form and supply nutrients and transmit sensory stimuli
181
In delayed resorption of primary incisors the permanent incisors usually erupt ____
lingually
182
The disk of the TMJ is moved forward principally by the ____
lateral pterygoid
183
Primary molars differ from permanent molars in that their roots are ____
more divergent
184
The primary teeth that differ most from permanent teeth are the ____
first molars (particulary mandibular)
185
The highest and sharpest cusp on a primary mandibular first molar is the ____
mesiolingual
186
The ____ has the greatest facio-lingual axial inclination
Maxillary central incisor
187
The shortest interdental papilla is between the ____
mandibular 2nd premolar and 1st molar
188
In cross section the root of the mandibular canine is ____
irregularly oval
189
The percentage of dentin that is organic is ____
20-30%
190
The anterior tooth that most likely would demonstrate a lingual pit cavity is ____
maxillary lateral incisor
191
Calcification of the primary roots is normally completed at ____
3-4 years of age
192
Interradicular fibers are not ____ fibers
gingival
193
Approximately ____ of permanent root formation is completed at the time the tooth erupts
50%
194
The ____ has the greatest faciolingual diameter of the crown for all teeth
Maxillary 1st molar
195
Tooth contact almost exclusively determines ____
intercuspal position
196
____ is a muscle guide position
Pysiological rest position
197
____ is a ligament guided position
Centric relation
198
____ is another term for intercuspal position
Centric occlusion
199
The ideal position and height of lingual cusps of MAND 1st molar accommodates a ____ movement
working movement
200
The ____ has the longest root
Maxillary canine
201
The premolar that most frequently has a single central pit is the ____
Mandibular 2nd premolar
202
____ separates cusp ridges from marginal ridges
developmental grooves
203
The ____ most often is in abnormal relation and contact with adjacent teeth
maxillary lateral incisor
204
The lingual cusp of a ____ is similar in development to the cingulum of a canine
Mandibular 1st premolar
205
Teeth are in contact in intercuspal position during ____
Non-masticatory swallowing
206
The mesiolingual cusp of the ____ is the largest and longest posterior cusp
Maxillary 1st molar
207
Contraction of the ____ produces forward movement of the condyle from the articular fossa
lateral pterygoid
208
The ____ has a wider m-d width toward the lingual than toward the facial
Maxillary 1st molar
209
The ____ tends to taper toward the facial rather than toward the lingual
Maxillary 1st molar
210
Physiological rest position is also known as ____
Postural position
211
The primary ____ most often bears the greatest resemblance to a premolar
Maxillary 1st molar
212
In Posselt’s envelope of motion ____ is the most superior point
Maximum intercuspal position
213
The molar that has the most distinct transverse ridge separating the mesial fossa is the ____
Mandibular 1st molar
214
The ____ is a depression in the temporal bone, just anterior to the auditory canal
glenoid fossa
215
The center of the ____ on a Maxillary 1st molar is at the same level with the marginal ridge
oblique
216
____ is a developmental abnormality characterized by the presence of fewer teeth than usual
Oligodontia
217
teeth # ____ and ____ are the non molar teeth having the sharpest demarcation between pulp chamber & canal
#5 and #12 (Maxillary 1st premolars)
218
____ covers the articulating osseous structures of the TMJ
Dense, avascular, fibrous connective tissue
219
The ____ is the only premolar that frequently only has one pulp horn
Mandibular 1st premolar
220
The facial surfaces of mandibular molars are located ____ the border of the ascending ramus
medial to
221
The facial masticatory mucosa (attached gingival) is narrowest for the mandibular first premolar
mandibular 1st premolar
222
The ____ occurs at the junction of the dental papilla & the inner enamel
DEJ
223
Of the 3 furcations of a maxillary 1st molar the ____ is the closest to the cervical line
mesial
224
Of the 3 furcations of a maxillary 1st molar the ____ is the furthest from the cervical line
distal
225
The ____ muscle isa muscle of mastication but is NOT an elevator of the mandible
lateral pterygoid
226
True or False: Maintenance of the epithelial attachment is a function of the periodontal ligament
False - It is NOT a function of the PDL
227
Periodontal ligament fibers are made up of ____
collagen
228
Periodontal ligament fibers support the tooth connecting to the dental alveolar bone via the ____
cementum
229
The primary ____ does NOT look like any permanent tooth
Mandibular 1st molar
230
The primary ____ resembles a premolar
Maxillary 1st molar
231
____ have the greatest morphological variation. ____ have the second most morphological variation
3rd Molars, Maxillary lateral incisors
232
____ from an occlusal view are frequently heart shaped because the are missing the DL cusp
Maxillary 3rd Molars
233
Mandibular centrals distinguished by the cervical curvature, which is greater on the ____ than the ____
mesial, distal
234
Marginal ridge heights for posterior teeth are generally more occlusal on the ____ than on the ____
mesial, distal
235
The ____ has its mesial marginal ridge more cervical than the distal
Mandibular 1st premolar
236
Supernumerary teeth when seen in the maxilla are usually found between the ____ or as ____
central incisors, 4th molars
237
The primate space develops in the maxillary primary dentition between the ____ and ____
lateral incisor, canine
238
The primate space develops in the mandibular primary dentition between the ____ and ____
Canine, 1st molar
239
The main component of enamel is ____
inorganic matter (NOT collagen)
240
The direction of primary enamel rods in the cervical third is in an ____ direction
occlusal
241
The direction of enamel rods in permanent teeth in the cervical third is in a ____ direction
gingival
242
The lower compartment of the tmj is located between the ____ and the ____
condyle, disc
243
Primary teeth are ____ than permanent teeth are consequently are more worn
less mineralized
244
The usual overjet is ____
2-4 mm
245
The difference in space from the primary to the permanent dentition is ____
2-4 mm
246
All teeth have ____ (positive anatomy feature)
distal and mesial marginal ridges
247
The lingual cusp of the mandibular 1st premolar in normal occlusion contacts what?
does not occlude with anything
248
____ occurs when the mastication muscles are in tonic equilibrium
Physiologic rest position
249
When the mandible moves from centric occlusion to edge to edge the condyles move ____
forward and downward
250
____ has greateast MD crown dimension of any ANTERIOR tooth
Maxillary central incisor
251
____ has measurement that is nearly identical for Inciso-Cervical versus Mesio-distal
Maxillary central incisor
252
____ has GREATEST cervical curvature (on mesial) of any other tooth
Maxillary central incisor
253
____ mesio-distal crown width SMALLEST of any MAXILLARY tooth
Maxillary lateral incisor
254
____ has MOST crown shape variations
Maxillary lateral incisor
255
____ has mesio-distal measurement that is nearly identical to facio-lingual. Closest of all
Maxillary lateral incisor
256
____ has distal contact that farthest cervically of any INCISOR
Maxillary lateral incisor
257
____ has distal contact centered both Inciso-cervically and facio-lingually
Maxillary lateral incisor
258
____ SMALLEST crown dimensions of ANY tooth
Mandibular central incisor
259
____ most symmetrical crown
Mandibular central incisor
260
____ has sharpest set of incisal angles (mesial and distal)
Mandibular central incisor
261
____ Proximal contacts at same level
Mandibular central incisor
262
____ crown twisted on root
Mandibular lateral incisor
263
____ GREATEST OVERALL total tooth length
Maxillary canine (tied with mandibular canine according to Dr. Arcoria)
264
____ has a distal bulge
Maxillary canine
265
____ has GREATEST F-L crown dimension of any ANTERIOR tooth
Maxillary canine
266
____ cusp tip located facial to lingual axis
Maxillary canine
267
____ has GREATEST cervical prominence of any ANTERIOR tooth
Maxillary canine
268
____ distal contact is centered
Maxillary canine
269
____ has longest root of any other tooth
Maxillary canine
270
____ has longest CROWN dimension of any other tooth
Mandibular canine
271
____ has straightest mesial alignment of crown to root
Mandibular canine
272
____ makes a C shape from crown tip to root apex when viewed proximally
Mandibular canine
273
____ has incisal edge lingual to long axis
Mandibular canine
274
____ has the LONGEST ROOT length of any MANDIBULAR tooth
Mandibular canine
275
____ only premolar with longer mesial cusp ridge
Maxillary 1st premolar
276
____ only tooth with mesial marginal ridge groove and mesial corwn concavity and mesial root depression
Maxillary 1st premolar
277
____ is the most symmetrical POSTERIOR tooth
Maxillary 2nd premolar
278
____ has cusp heights closer in height to each other than any other PREMOLAR
Maxillary 2nd premolar
279
____ has fossae that are closest in size compared to any other posterior tooth
Maxillary 2nd premolar
280
____ facio-lingually smallest of any posterior tooth
Mandibular 1st premolar
281
____ is closest of all MANDIBULAR TEETH in FL versus M-D diameter
Mandibular 1st premolar
282
____ most variation of all posterior teeth in facial versus lingual cusp height
Mandibular 1st premolar
283
____ only tooth with a mesio-lingual groove
Mandibular 1st premolar
284
____ has mesial marginal ridge that is more cervical than distal marginal ridge
Mandibular 1st premolar
285
____ ONLY premolar with multiple lingual cusps
Mandibular 2nd premolar (Y type)
286
____ ONLY premolar with a lingual groove
Mandibular 2nd premolar (Y type)
287
____ ONLY premolar with a central fossa
Mandibular 2nd premolar (Y type)
288
____ closest in size FL vs MD of any MAXILLARY POSTERIOR tooth
Maxillary 1st molar
289
____ LARGEST M-D crown dimension of ANY other tooth
Mandibular 1st molar
290
____ LARGEST FL crown dimension of ANY other MANDIBULAR tooth
Mandibular 1st molar
291
____ LARGEST Occluso-cervical crown dimension of any MANDIBULAR molar
Mandibular 1st molar
292
Mandibular 1st molar has three ____ cusps
facial
293
____ has the LONGEST root of any other molar
Mandibular 1st molar
294
____ has GREATEST root separation of ANY OTHER tooth
Mandibular 1st molar
295
____ MESIAL root has GRATEST F-L dimension of any other root
Mandibular 1st molar
296
____ has a cruxiform occlusal pattern
Mandibular 2nd molar
297
____ has GREATEST distal root inclination of any other tooth
Mandibular 3rd molar
298
____ has SHORTEST root of any mandibular tooth
Mandibular 3rd molar
