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