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24 Cards in this Set
- Front
- Back
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Which of the following is correct regarding the contact relationship of maxillary central incisor and maxillary lateral incisors?
Contacts are centered faciolingually. Contacts are centered incisocervically. Facial embrasures are wider than lingual embrasures. Incisal embrasures are larger than gingival embrasures. |
Contacts are centered faciolingually.
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The distal contact area of a maxillary lateral incisor with ideal alignment is located
near the incisal edge. in the middle third. in the incisal third. at the junction of the incisal and middle thirds. at the junction of the middle and cervical thirds. |
in the middle third.
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Calcification of the mandibular third molars generally begins at
3-4 years. 5-7 years. 8-10 years. 11-13 years. 14-16 years |
8-10 years
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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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In cervical cross-section, the root of a mandibular canine is described as
triangular. roughly conical. flattened in a mesiodistal direction. broader mesiodistally on the lingual than on the facial. |
flattened in a mesiodistal direction.
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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
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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 of the following can adversely affect the self-cleaning quality of a dentition in normal alignment?
Contact of adjacent teeth Effficient use of a toothbrush Friction of food material during mastication Too great a contour of the cervical enamel ridge |
Too great a contour of the cervical enamel 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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The outline of a pulp cavity indicates that this tooth probably
has 3 distinct cusps. has experienced trauma. is that of an old person. is that of a young person |
is that of a young person
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In an ideal intercuspal position, the distofacial cusp of a maxillary first molar opposes which feature on a mandibular first molar?
The distal cusp The distofacial cusp The distofacial developmental groove The mesiofacial developmental groove |
The distofacial developmental groove
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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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What condylar movement is performed as the mandible moves from a pure protrusive movement from maximum intercuspal position to a maximum protruded position?
Translation Rotation Hinge Medial and forward |
Translation
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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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The concept of using a lateral checkbite record to set a respective condylar inclination implies which of the following?
That the non-working side condyle has traveled against the posterior wall of the fossa That the working side condyle has traveled down the slope of the articular eminence That the non-working side condyle has moved anteriorly and medially That the working side condyle has moved toward the medial wall of the glenoid fossa |
That the non-working side condyle has moved anteriorly and medially
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The lingual cusp(s) on which of the following mandibular posterior teeth is (are) approximately 2/3 the height of the respective facial cusp(s)?
First premolar Second premolar First molar Second molar Third molar |
First premolar
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In the comparison of the rhomboidal and heart-shaped crown outlines of maxillary molars, the crown portion that differs MOST in contour and size is the
mesiofacial. distofacial. mesiolingual. distolingual. |
distolingual.
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Which of the following is the first succedaneous tooth?
Maxillary central incisor Mandibular central incisor Maxillary lateral incisor Mandibular first molar |
Mandibular central incisor
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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 effficiency 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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Which of the following normally describes the general crown form of canines when viewed from the facial or lingual aspect?
3-sided 4-sided 5-sided 6-sided 7-sided |
5-sided
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Which of the following represents the apex of the triangular-shaped boundary of the interproximal space?
Alveolar bone Gingival tissue The marginal ridges of the adjacent teeth The proximal surfaces of the adjacent teeth The contact area of the adjacent teeth |
The contact area of the adjacent teeth
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The greatest difficulty in removing calculus from the root trunk area of molars is seen on which of the following surfaces?
Mesial of mandibular second Distal of mandibular second Lingual of maxillary second Distal of maxillary first Mesial of mandibular first |
Distal of maxillary first
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