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Most maxillary 2nd premolars have: A. A single root B. A mesial and distal root C. A buccal and lingual root D. A mesiobuccal, distobuccal, and palatal root
a single root
Gingival form may be related to which of the following factors: A. Size of teeth B. Form of the interproximal contact areas C. Effects of periodontal disease D. A and B E. A, B, and C
a,b,c
Which of the following is true regarding the mandibular 1st molar A. It is the largest of the mandibular teeth B. It has 2 roots, mesial and distal C. The crown is wider mesiodistally than buccalingually D. A and B E. A, B, and C
a,b,c
Which of the following are true? A. A proper contact will prevent food impaction B. Proper contact will help maintain stability in tooth poisoning C. Wear of contact areas may contribute to interdental spacing D. All of the above
all of the above
Which statement concerning proximal contact areas is true? A. They support neighboring teeth, which stabilizes the dental arches B. They prevent food particles from entering interproximal areas C. They protect the interdental papillae, by shunting food in the buccal and lingual D. They form embrasures E. All of the above
all of the above
When compared to a maxillary 1st molar, the roots of a maxillary 2nd molar A. Are longer B. Are more divergent C. Have less potential for fusion D. Are greater in distal inclination
are greater in distal inclination
On the crown of a maxillary canine, the height of contour is normally located in the cervical third of which of the following surfaces: a. Labial b. Lingual c. Both Labial and Lingual d. Neither labial nor lingual
both labial and lingual
On the crown of the permanent mandibular 1st molar, which of the following cusp ridges of the DB cusp originates at the cusp tip and ....groove? A. Lingual cusp ridge B. Buccal cusp ridge C. Mesial cusp ridge D. Distal cusp ridge
Distal cusp ridge
. The dental formula for the human deciduous dentition is a. I 2/2 C 1/1 M 2/2 b. I 2/2 C 1/1 P 2/2 M 3/3 c. I 2/2 C 1/1 M 2/2 = 10 d. I 2/2 C 1/1 P 2/2 = 10 e. I 2/2 C 1/1 P 2/2 M 3/3 = 16
I 2/2 C 1/1 M 2/2 = 10
From the occlusal aspect, the mandibular 2nd premolar: A. Can have 2 or 3 cusps B. Have a very small lingual cusp C. Is used for tearing food D. Contacts the 2nd molar on the distal
can have 2 or 3 cusps
The labial outline of the crown of the maxillary lateral incisor from the incisal view is best described as: a. Flat b. Concave and rounded c. Convex and rounded d. None of the above
convex and rounded
The anatomic crown is that portion of the tooth that is a. In occlusion b. Exposed to oral fluids c. Coronal to the cervical line d. Occlusal to the gingival margins
coronal to the cervical line
An elevation or mound of enamel found on the occlusal surface of molars and premolars A. Tubercle B. Ridge C. Cingulum D. Cusp
cusp
The majority of the tooth consists of a. Pulp b. Crown c. Dentin d. Enamel
dentin
1. The proximal contact areas between anterior teeth are incisal to the middle third of the teeth. Which of the following is an exception to this rule a. Mesial contact of maxillary canine b. Distal contact of a maxillary canine c. Mesial contact of a maxillary lateral incisor d. Mesial contact of a mandibular lateral incisor
distal contact of a maxillary canine
When the root of an anterior tooth has a bend or slant, it is usually in a: a. Apical direction b. Labial direction c. Incisal direction d. Mesial direction e. Distal direction
distal direction
On the crowns of permanent maxillary molars, the contact area that is the smallest in time is known .... A. Distal surface of the maxillary 1st molar B. Distal surface of the maxillary 2nd molar C. Mesial surface of the maxillary 1st molar D. Mesial surface of the maxillary 2nd molar
distal surface of the maxillary 2nd molar
The mandibular arch is LONGER than the maxillary arch A. True B. False
false
The minimum number of lobes from which any tooth may develop A. One B. Two C. Three D. Four
four
The height of contour of the facial surface of a permanent mandibular central incisor is located: a. In the cervical third b. In the middle third c. At the junction of the incisal and middle third d. All the junction of the cervical and middle third
in the cervical third
5. From the facial aspect, the contact areas of the anterior maxillary teeth: a. Are always in the middle third b. Are located in the cervical third c. Are more incisally placed on the mesial d. Are placed more cervically on the mesial
incisally placed on the mesial
If you are working for the World Health Organization, the notation system you would use is the a. Palmer system b. Global system c. International system uz it d. Universal system
international system
Which of the lobes is the most prominent (well developed) on the maxillary canine? at a. Mesial b. Labial (middle) c. Distal d. All lobes are of equal size
labial (middle)
From a mesial or distal view, the center of the incisal ridge on the mandibular central incisor is: A. Variable B. Lingual to the long axis C. Facial to the long axis D. In line with the long axis
lingual to the long axis
Which following anatomical feature is sometimes found associated with a maxillary lateral incisor? A. Linguo-gingival fissure B. Labio-gingival fissure C. Mesio-gingival fissure D. Disto-gingival fissure
linguo-gingival fissure
The maxillary 1st premolar A. Longer occluso-gingivally than all posterior maxillary teeth B. Distal buccal cusp ridge is longer than mesial buccal cusp ridge wrong Wrong C. Has the most supplemental grooves in the mouth D. Has the most prominent distal cusp in the arch
longer occluso-gingivally than all posterior maxillary teeth
In describing the permanent maxillary central, the following are true EXCEPT: a. Widest anterior tooth b. Longest root in the mouth c. Largest crown in the mouth d. Erupts at 7-8 years old e. Is wider mesiodistally than faciolingually
longest root in the mouth
Mesiolingual grooves may be found on which of the following permanent teeth? A. Mandibular 2nd molars B. Mandibular 1st premolars C. Maxillary 1st molars D. Maxillary canines
mandibilar 1st premolar
Which of the following premolars frequently has only one pulp horn? A. Maxillary 1st B. Mandibular 1st C. Maxillary 2nd D. Mandibular 2nd
mandibular 1st
Which of the following premolars usually has two lingual cusps? A. Maxillary 1st B. Maxillary 2nd C. Mandibular 1st D. Mandibular 2nd
mandibular 1st
A mesio-lingual developmental groove is indicative of the A. Maxillary 1st premolar B. Maxillary 3rd molar C. Mandibular 1st premolar D. Maxillary 3rd molar E. Mandibular 2nd premolar
mandibular 1st premolar
Which of the following premolars usually has two lingual cusps? A. Maxillary 1st B. Maxillary 2nd C. Mandibular 1st D. Mandibular 2nd
mandibular 2nd
On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects? A. Maxillary central incisor B. Mandibular central incisor C. Maxillary canines D. Mandibular lateral incisor
mandibular central incisor
. Which of the following incisors is normally considered to have the smallest crown dimension a. Maxillary central b. Maxillary laterals c. Mandibular centrals d. Mandibular laterals
mandibular centrals
Mesiolingual grooves may be found on which of the following permanent teeth
mandibular first premolars
Using the Universal notation system, tooth number 18 would refer to a. Mandibular right canine b. Maxillary left 1st molar c. Mandibular left 2nd molar d. Mandibular right 2nd molar e. Mandibular left 2nd molar maxillary 1st premolar
mandibular left 2nd molar
Which of the following teeth might possess three cusps? A. Maxillary 2nd premolar and maxillary 1st molar B. Maxillary 2nd premolar and mandibular 1st premolar C. Maxillary 1st molar and mandibular 2nd molar D. Maxillary 2nd molar and mandibular 1st premolar E. Maxillary 3rd molar and mandibular 2nd premolar
maxillary 1st molar and mandibular 2nd molar
The crown of which premolar is wider faciolingually than mesiodistally.... A. Maxillary 1st B. Mandibular 1st C. Maxillary 2nd D. Mandibular 2nd
maxillary 2nd
Which of the following permanent anterior teeth has the greatest variation in crown size and form? a. Mandibular central incisor b. Maxillary central incisor c. Mandibular canines d. Maxillary lateral incisor
maxillary lateral incisor
6. Which axial surface of the crown of a mandibular canine is almost parallel to the long axis of the tooth? a. Distal b. Facial c. Lingual d. Mesial
mesial
On the maxillary permanent incisors, the greatest curvature of the cervical line is on the: A. Mesial B. Distal C. Facial D. Occlusal E. Lingual
mesial
The cervical line on adult teeth has the greatest depth of curvature toward the incisal: A. Mesial aspect B. Distal aspect C. Facial aspect D. Lingual aspect
mesial aspect
If a maxillary 1st molar has a fourth pulp canal, it is located in which of the following? A. Mesiofacial B. Distofacial C. Palatal D. Fourth
mesiofacial
The distal contact area of a permanent maxillary canine is usually located at the a. Middle third b. Middle of the incisal third c. Middle of the cervical third d. Junction of the incisal and middle third
middle third
In contrast to maxillary canine crowns, mandibular canine crowns have which of the following anatomically? A. Greater measurements mesiodistally B. Greater measurements faciolingually C. More accentuated marginal ridges D. Greater measurements cervicoincisally
more accentuated marginal ridges
Which of the following features of permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor? a. Flattened root b. More pronounced lingual fossa c. Thinner incisal ridge d. Sharper proximal incisal angles
more pronounced lingual fossa
The distoincisal corner of the permanent mandibular lateral incisor is: A. More incisally positioned than the mesioincisal corner B. Shaped the same as the mesioincisal corner C. More rounded than the mesioincisal corner D. Positioned and shaped the same as the mesioincisal corner E. Sharper than the mesioincisal corner
more rounded than the mesioincisal corner
At age 8, the maxillary 1st molar has: A. A mesial contact with the primary 1st molar B. A distal contact with the 2nd molar C. No mesial contact D. No distal contact E. Not yet erupted F. A mesial contact with the primary 2nd molar
no distal contact
The cusp ridge of the lingual cusp of the maxillary premolars is...? wrong wrong A. Functional cusp ridge B. Non-functional cusp ridge C. Incremental cusp ridge D. Marginal cusp ridge
non-functional cusp ridge
Which of the following best describes the location of the cervical line on a mandibular lateral incisor? A. On the distal, it is more apical than on the mesial B. On the lingual, it is more incisal than on the facial C. On the mesial, it is more incisal than on the distal D. On the facial, it is more apical than on the lingual E. On the facial and the lingual, it is at the same level
on the distal, it is more apical than on the mesial
The palmer notation system is frequently used by a. Prosthodontists b. Endodontists c. Orthodontists d. Periodontists e. Oral Surgeon
orthodontics
Which of the following ranks the roots of the maxillary 1st molar in order from LARGEST to SMALLEST? A. Palatal, mesiobuccal, distobuccal B. Palatal, distobuccal, mesiobuccal C. Mesiobuccal, palatal, distobuccal D. Distobuccal, mesiobuccal, palatal
palatal, mesiobuccal,distobuccal
Usually the first permanent tooth to erupt is: a. Permanent maxillary central incisor b. Deciduous maxillary 1st molar c. Permanent mandibular 1st molar d. Deciduous mandibular central incisor e. Permanent maxillary canine
permenant mandibular 1st molar
Using the universal notation system, tooth C is which of the following: a. Primary right maxillary right first molar b. Primary right maxillary canine c. Primary left mandibular second molar d. Permanent right maxillary canine.
primary right maxillary canine
. Normally the largest part of the pulp is at the: a. Apical foramen b. Root canal c. Pulp chamber d. Dentinoenamel junction
pulp chamber
From the occlusal aspect, which of the following represents the most... A. Round B. Square C. Trapezoid D. Rhomboidal E. Heart shaped
rhomboidal
Viewed from the occlusal, the basic coronal outline of a maxillary 1st molar is A. Square I wrong not sure what the quests Throat Iroot B. Circular C. Rhomboidal D. Pentagonal E. Rectangular
rhomboidal
A divided pulp canal is most likely to occur in the: a. Root of a maxillary canine b. Root of a mandibular canine** c. Root of a maxillary central incisor d. Root of a mandibular central incisor
root of a mandibular canine
A divided pulp canal is most likely to occur in the a. Root of a maxillary canine b. Root of mandibular canine c. Root of a maxillary central incisor d. Root of a mandibular central incisor
root of mandibular canine
. In the maxillary and mandibular arches, the teeth where the mesial surfaces contact are: a. The lateral and central incisors b. The canine and lateral incisor c. The central incisors d. The central incisor and the opposing lateral incisor
the central incisors
The part of the tooth which, at any given moment is exposed to the oral cavity is: Facial embrasure biggerthan the 1stmore lingual embrasure on themix a. The anatomic crown b. The clinical crown c. The section from the incisal to the cervix d. Measurably larger in young person's than older person's
the clinical crown
How does the greatest faciolingual measurement of the maxillary canine compare to its greatest mesiodistal measurement? A. The faciolingual measurement is less B. The measurements are equal C. The faciolingual measurement is greater D. There is no definite relation
the faciolingual measurement is greater
When the opposing teeth come together in an intercuspal or centric occlusion, each mandibular tooth contacts two maxillary teeth except: a. The mandibular third molar b. The maxillary canine c. The mandibular central incisors d. The mandibular first molar
the mandibular central incisors
. When viewed from the incisal, tip of the cusp of a maxillary canine, with reference to the center of the crown, is normally 1) lingual 2)facial 3) mesial 4) distal a. 1 and 3 b. 1 and 4 pegs lateral c. 2 and 3 d. 2 and 4
2 and 3
When grouping teeth, all below are considered except: a. (2) Sets b. (2) Arches c. (25) Classes d. (4) Quadrants e. Position (anterior or posterior)
25 classes
On a permanent maxillary central incisor we usually find: a. Four mamelones and 3 developmental lobes b. Two mamelons and three developmental lobes c. 3 mamelons and 4 developmental lobes d. 6 mamelons and 6 developmental lobes e. 3 mamelons and 3 developmental lobes
3 mammelons and 4 developmental grooves
The distolingual cusp of which of the following molars might be absent ? A. 1st molar B. 2nd molar C. 3rd molar D. 1st bicuspid
3rd molar
Which tooth is a maxillary 1st premolar (universal)? A. Number 11 B. Number 15 C. Number 28 D. Number 5
5
In our entire human dentition, we have how many different numbers of teeth? A. 32 B. 20 C. 34 D. 52
52
From a developmental viewpoint, mandibular molars have how many major cusps, as compound in how many major cusps... A. 5 : 3 B. 4 : 6 C. 5 : 4 D. 3 : 4
5:3
What is the mandibular right 1st primary molar using the international notation a. 64 b. 46 c. 84 d. J e. 12
?>
8. When the jaws are closed in centric or intercuspal occlusion: a. The maxillary 1st molar contacts the mandibular 1st and 2nd molars b. The mandibular 1st molar contacts the maxillary 1st premolar and the maxillary 1st molar c. The mandibular lateral incisor contacts the maxillary lateral incisor and maxillary canine d. The maxillary 3rd molar contacts the mandibular 2nd and 3rd molars
the maxillary 1st molar contacts the mandibular 1st and 2nd molars
When the jaw is closed in centric occlusion or intercuspal relation, all maxillary teeth contact two mandibular teeth EXCEPT: a. The maxillary 1st molar b. The maxillary 3rd molar c. The mandibular 1st premolar d. The maxillary central incisor
the maxillary 3rd molar
A defining characteristic of the mandibular 1st premolar is: A. The lingual cusp is higher than the facial cusp B. The crown is wider mesiodistally on the lingual than on the buccal C. Develops from 3 lobes D. The mesiolingual developmental groove
the mesiolingual developmental groove
. An example of a point angle would be: a. The mesiolingual angle b. The mesiolingual incisal angle c. The faciolingual distal angle d. The incisal and middle third
the mesiolingual incisal angle
The most distinguishable difference between the maxillary 1st and 2nd permanent premolars is A. The size of the crown B. The number of roots C. The number of lobes D. The curvature of facial surface E. None of the above
the number of roots
When viewed from the mesial, an identifying characteristic of a maxillary 1st premolar crown is which of the following? A. The presence of a mesial developmental depression B. A longer lingual cusp compared to the buccal cusp C. The presence of a mesiolingual groove D. A facial crest of contour located in the occlusal third of the crown E. A larger mesial root compared to a distal root
the presence of a mesial developmental depression
The maxillary lateral incisor is similar to the central incisor EXCEPT: A. The angles are rounder B. The cingulum is less obvious C. It is wider mesiodistally D. The root is proportionally longer E. The lingual fossa is deeper
the root is proportionally longer
All of the following are true concerning developmental grooves except: A. They are broad, deep, linear depressions B. They are formed during tooth development C. They usually separate the primary parts of the tooth or crown D. They are important "escape ways" for food during mastication
they are broad, deep, linear depressions
When compared to the maxillary central incisor, the maxillary canine normally exhibits which of the following: A. Wider crown mesiodistally B. Thicker crown labiolingually C. Longer crown incisogingivally D. Shorter crown and shorter root length
thicker crown labiolingually
Which of the following represents the eighth tooth from the midline in each mandibular quadrant at age 20? A. Second molar with incomplete root B. Second molar with complete root C. Third molar with incomplete root D. Third molar with complete root E. Not erupted
third molar with incomplete root
How many roots are visible from the buccal aspect of a maxillary 1st molar? A. One root B. Two roots C. Three roots D. Four roots
three roots
The incisors are all EXCEPT: a. Located in the anterior section of the mouth b. To incise or cut food c. To enable articulate speech d. To tear or shear food e. Have conical roots that taper apically
to tear or shear food
As a general rule, root tips tend to curve: A. Toward the mesial B. Toward the distal C. Toward the mesial on maxillary teeth, and the distal on posterior teeth D. Toward the distal on maxillary teeth, and the mesial on posterior teeth
toward the distal
The facial and lingual triangular ridges of the mandibular 1st premolar meet to form a ridge called the A. Mesial marginal B. Distal marginal C. Oblique D. Transverse
transverse
Any union of two triangular ridges produces a single ridge called A. A cusp ridge B. A marginal ridge wrong P MB DB C. A transverse ridge D. A proximal ridge
transverse ridge
When viewed from the facial aspect the anterior teeth are: a. Trapezoidal with large base at the cervical b. Rhomboidal with the base at the incisal c. Triangular with base at the cervical d. Trapezoidal with the larger base at the incisal e. Triangular with the base at the incisal
trapezoidal with the larger base at the incisal
The functional form of the proximal view of the mandibular central incisor is: A. Rhomboid (base incisal) B. Trapezoid (base cervical) C. Triangular (base incisal) D. Triangular (base cervical) E. None of the above
triangular (base cervical)
0. The mesio-incisal corner of the maxillary central incisor is virtually a right angle and relatively sharp a. True b. False
true
The crown of a mandibular canine, compared to the crown of a maxillary canine in the same mouth, is best described as: A. Wider mesiodistally B. Narrower mesiodistally C. Wider cervically D. Narrower cervically
wider cervically
The maxillary lateral incisor is similar to the central incisor, EXCEPT: a. The angles are rounder b. The cingulum is less obvious c. It is wider mesiodistally d. The root is proportionally longer e. The lingual fossa is deeper
x