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40 Cards in this Set
- Front
- Back
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Which of the following teeth have long axes positioned with their root apices facial and their crowns lingual?
Maxillary incisors Mandibular incisors Maxillary premolars Maxillary molars Mandibular molars |
Mandibular molars
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Each of the following morphologic structures can be seen on any incisor EXCEPT one. Which one is this EXCEPTION?
Cingulum Mesial marginal ridge Lingual fossa Transverse ridge |
Transverse ridge
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In contrast to maxillary canine crowns, mandibular canine crowns have which of the following anatomically?
Greater measurements, mesiodistally Greater measurements, faciolingually More accentuated marginal ridges Well-defined lingual pits Less-pronounced cingula |
Less-pronounced cingula
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Which of the following represents the largest cusp of the mandibular first molar?
Distal Mesiofacial Mesiolingual Distofacial Distolingual |
Mesiofacial
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Which of the following primary teeth would exhibit a prominent cervical ridge on both the facial and lingual surfaces?
A F J L T |
F
Primary central incisors prominent facial and lingual cervical ridges, mesiodistal width greater the crown height |
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Which premolar has a facial cusp with a triangular ridge so uniquely prominent as to frequently separate its mesial pit from its distal pit?
Maxillaryfirst Mandibular first Maxillary second Mandibular second |
mand first
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Which of the following is characteristic of primary maxillary canines?
Crown height < mesiodistal width. Cusp is low and rounded. The mesioincisal cusp ridge is shorter than the distoincisal cusp ridge. The mesioincisal cusp ridge is longer than the distoincisal cusp ridge |
The mesioincisal cusp ridge is longer than the distoincisal cusp ridge.
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Which incisor is MOST frequently markedly concave on the lingual surface?
Maxillary central Mandibular central Maxillary lateral Mandibular lateral |
Maxillary lateral
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The root tip MOST likely to be forced into the maxillary sinus during surgical removal is the of a maxillary
central incisor. canine. first premolar. first molar. |
first molar.
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On permanent teeth, the greatest incisal curvature of a cervical line is on which surface of which incisor? (surface --> incisor)
Mesial surface --> Mandibular central Distal surface --> Mandibular central Mesial surface --> Mandibular lateral Distal surface --> Maxillary lateral Mesial surface --> Maxillary central |
Mesial surface --> Maxillary central
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Which of the following teeth in the permanent dentition normally have bifurcations?
Mandibular canines Mandibular second premolars Maxillary molars and maxillary first premolars Mandibular molars and maxillary first premolars Maxillary first and second molars |
Mandibular molars and maxillary first premolars
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From the facial view, the maxillary first molar has its lingual root apex in line with which of the following?
Facial groove Distofacial line angle Distofacial cusp tip Mesiofacial cusp tip Mesiodistal diameter midpoint |
Facial groove
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On a maxillary molar, which of the following ridges is formed by the union of the distal cusp ridge of the mesiolingual cusp and the triangular ridge of the distofacial cusp?
Cuspal Central Marginal Oblique Transverse |
Oblique
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Which premolar MOST likely possesses a crescent-shaped central developmental groove?
Maxillaryfirst Mandibular first Maxillary second Mandibular second |
Mandibular second
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A mandibular canine differs from a maxillary canine in which of the following?
It is longer. It has a less pronounced cingulum. The crown is approximately the same length. It has a cusp tip more nearly centered mesiodistally when viewed from the facial. |
It has a less pronounced cingulum
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Mesiolingual grooves can be found on which of the following permanent teeth?
Maxillary canines Mandibular first premolars Maxillary first molars Mandibular second molars |
Mandibular first premolars
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The apices of a mandibular second molar are located
posteriorly to the pterygomandibular raphe. inferiorly to the mylohyoid muscle insertion. inferiorly to the masseter muscle insertion. inferiorly to the medial pterygoid muscle insertion. |
inferiorly to the mylohyoid muscle insertion.
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In which of the following teeth is the mesial portion MOST distinctly separated from the remainder of the occlusal table by a transverse ridge?
Primary maxillary first molar Primary mandibular first molar Primary mandibular second molar Mandibular second premolar Mandibular first molar |
Primary mandibular first molar
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From the incisal aspect, the crown of a maxillary canine normally exhibits which of the following?
A trapezoidal outline Symmetry between its mesial and distal portions A mesial portion that is thinner faciolingually than the distal portion A distal portion that displays some concavity in its facial outline Less faciolingual thickness than the crown of a mandibular canine |
A distal portion that displays some concavity in its facial outline
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From a proximal view, which of the following describes the crown outline on a mandibular posterior tooth?
It is designed to protect against root fracture by having the crown structure serve as root support. It is designed to allow for a minimum amount of chewing efficiency on the coronal surface of the tooth. It is usually rhomboidal and has a design flaw that encourages cusp fracture. It is usually trapezoidal and has a design flaw that encourages cusp fracture. |
It is usually rhomboidal and has a design flaw that encourages cusp fracture
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In viewing the crown of a canine from the incisal aspect, one normally sees each of following structures EXCEPT one. Which is this EXCEPTION?
Cingulum Lingual fossa Cervical line Distal cusp ridge Mesiofacial developmental depression |
Cervical line
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Which of the following is characterized by a collapse of alveoli?
Empyema Pneumonia Emphysema Atelectasis Bronchiectasis. |
Atelectasis
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Classic hemophilia is due to a deficiency of normal Factor VIII which in turn is due to a genetic deficiency that is
partially dominant. autosomal dominant. autosomal recessive. sex-linked dominant. sex-linked recessive. |
sex-linked recessive.
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Which of the following is most commonly associated with development of gastrointestinal cancer?
Amebiasis Villous adenoma Meckel's diverticulum Duodenal peptic ulcer Peutz-Jeghers syndrome. |
Villous adenoma
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Myasthenia gravis is caused by dysfunction of the
motor nerves. smooth muscle. sensory nerves. skeletal muscle. myoneural junction. |
myoneural junction.
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Each of the following may be seen in multiple myeloma EXCEPT
hypoproteinemia. plasma cell neoplasia. hypergammaglobulinemia. light-chain proteinuria. punched-out areas of bone. |
hypoproteinemia.
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A patient with which of the following diseases is least likely to show "clubbing" of fingers and cyanotic nail beds?
Polycythemia Congenital heart disease Chronic pulmonary disease Congestive heart failure Systemic lupus erythematosus. |
Systemic lupus erythematosus.
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The premolar with the occlusal groove pattern that may simulate the letter "Y" is the
maxillary first. mandibular first. maxillary second. mandibular second. |
mandibular second.
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Identify the permanent anterior tooth that most frequently exhibits a bifurcated root and identify the positions of the roots.
Maxillary canine--facial and lingual Maxillary canine--mesial and distal Maxillary lateral incisor--facial and lingual Maxillary lateral incisor--mesial and distal Mandibular canine--facial and lingual Mandibular canine--mesial and distal |
Mandibular canine--facial and lingual
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Which of the permanent incisors is most frequently markedly concave on the lingual surface?
Maxillary central incisor Maxillary lateral incisor Mandibular lateral incisor Mandibular central incisor |
Maxillary lateral incisor
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(December 1979 Question 43)
Which of the following are characteristic of a permanent maxillary central incisor but not of a permanent maxillary lateral incisor? (a) The greatest mesiodistal measurement is more than the greatest faciolingual measurement; (b) It has a shallow, broad lingual fossa on the incisal one-half of the lingual surface; (c) The lingual fossa is bounded by the mesial marginal ridge, the distal marginal ridge, the incisal ridge and the cingulum; (d) The cervical line curves incisally more on its mesial surface than on its distal surface; (e) The cervical outline of the facial surface is a broad curve that is sometimes described as part of a semicircle. (a), (b) and (c) (a), (c) and (e) (b) and (c) only (b) and (e) (c) and (d) (c) and (e) only |
(b) and (e)
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In comparison with the mandibular canine, the maxillary canine: (a) has a relatively shorter crown; (b) is shorter; (c) has a more pronounced cingulum; (d) has a less pronounced developmental depression mesially on the root; (e) has a cusp tip more nearly centered over the root, viewed from the facial aspect.
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(a), (c) and (e)
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In comparing permanent and primary canines, the newly erupted primary maxillary canine has
a sharper, more pointed cusp tip. a blunter, more flattened cusp tip. a cingulum that occupies a greater portion of the lingual surface. a shorter root, compared to crown length. no lingual ridge between the cusp tip and the cingulum. |
a sharper, more pointed cusp tip.
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Which of the following are characteristic of the incisal edge of a permanent mandibular central incisor? (a) Is relatively straight; (b) Intersects a plane bisecting the tooth into mesial and distal halves at a right angle to that plane; (c) Crosses the tooth parallel and slightly lingual to a plane bisecting the tooth into facial and lingual halves; (d) Curves slightly with the midpoint of the curve to the facial of a bisecting plane; (e) Is relatively straight, but slants so the distal end is more to the lingual than is the mesial end.
(a), (b) and (c) (a) and (c) only (b) and (c) only (b) and (d ) (d) and (e) All of the abov |
(a), (b) and (c)
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How does the greatest faciolingual measurement of the mandibular canine compare with the greatest mesiodistal measurement?
Less Equal Greater No definite relation |
greater
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When viewed from the incisal, the tip of the cusp of a maxillary canine with reference to the center of the crown is normally: (a) lingual; (b) facial; (c) mesial; (d) distal
(a) and (c) (a) and (d) (b) and (c) (b) and (d) |
(b) and (c)
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The lingual surface of the crown of a mandibular canine is smooth and: (a) relatively flat in the fossa area; (b) poorly developed in the marginal ridge area; (c) poorly developed in the cingulum area.
(a) only (a) and (b) (b) only (b) and (c) (c) only All of the above |
All of the above
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Which of the following teeth is most likely to occasionally exhibit a lingual groove that extends from the enamel onto the cemental area of the root?
Maxillary canine Maxillary central incisor Maxillary lateral incisor Maxillary first premolar Mandibular second premolar |
Maxillary lateral incisor
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In cross section, the root of a mandibular canine is described as
roughly conical. irregularly oval. flattened in a mesiodistal direction. broader mesiodistally on the lingual than on the labial. |
irregularly oval.
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The mesial surface of the crown is almost parallel to the long axis and the root of a
maxillary first premolar. mandibular second premolar. maxillary canine. mandibular canine. |
mandibular canine.
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