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40 Cards in this Set

  • Front
  • Back
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
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
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
Which of the following represents the largest cusp of the mandibular first molar?

Distal
Mesiofacial
Mesiolingual
Distofacial
Distolingual
Mesiofacial
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
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
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.
Which incisor is MOST frequently markedly concave on the lingual surface?

Maxillary central
Mandibular central
Maxillary lateral
Mandibular lateral
Maxillary lateral
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.
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
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
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
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
Which premolar MOST likely possesses a crescent-shaped central developmental groove?

Maxillaryfirst
Mandibular first
Maxillary second
Mandibular second
Mandibular second
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
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
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.
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
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
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
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
Which of the following is characterized by a collapse of alveoli?

Empyema
Pneumonia
Emphysema
Atelectasis
Bronchiectasis.
Atelectasis
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.
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
Myasthenia gravis is caused by dysfunction of the

motor nerves.
smooth muscle.
sensory nerves.
skeletal muscle.
myoneural junction.
myoneural junction.
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.
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.
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.
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
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
(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)
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.
(a), (c) and (e)
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.
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)
How does the greatest faciolingual measurement of the mandibular canine compare with the greatest mesiodistal measurement?

Less
Equal
Greater
No definite relation
greater
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)
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
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
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.
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.