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14 Cards in this Set
- Front
- Back
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Caries appear radiopaque, because more radiation is passing through the demineralization than the surrounding tissues |
B. First part of statement is false second part of statement is true |
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Each of the following will produce an ideal radiographic image for detecting caries EXCEPT one. Which one is the EXCEPTION?
a. Bitewing radiographs b. Periapical c. Horizontal angulation that avoids overlapping d. Excessive vertical anguation |
D. Excessive Vertical Angulation |
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Caries in the earliest stage is called?
a.Incipient b. Moderate c. Advanced d. Severe |
A. Incipient |
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Radiographs are best at detecting incipient caries of which of these locations on the tooth?
a. Occlusal b. proximal c. Buccal/lingual d. Cemental |
B. Proximal |
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The key to successfully interpretating radiographs for proximal surface caries is to examine the contact point between adjacent teeth and just apical to the?
a. DEJ b.CEJ c. Estimated gingival margin d. Alveolar bone crest |
C. Estimated Gingival Margin |
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Proximal surface carious lesions appear?
a. Triangular b. Square c. Round d. Cresent-shaped |
A. Triangular |
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Which of the following appears radiographically as a radiolucent notch that is less than half way through the enamel?
a. Incipient proximal caries b. Moderate proximal caries c. Advanced Proximal caries d. Severe proximal caries |
A. Incipient Proximal Caries |
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Which of the following appears radiographically as radiolucent double triangle that is less than halfway through the dentin towards the pulp?
a. Incipient b. moderate c. Advanced d. Severe |
C. Advanced Proximal Caries |
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The key to successfully interpretting radiographs for occlusal caries is to examine?
a. The occlusal surface for changes in pits and fissures b. under the occlusal surface for changes in dentin c. the contact point between adjacent teeth for changes in enamel d. Just apical to the contact point for changes in the DEJ |
B. Under the Occlusal surface for changes in the Dentin |
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Which of the following appears radiographically as a round radiolucency in the middle of the tooth with well defined borders?
a. Proximal b. Occlusal c. Cemental d. Buccal/Lingual |
D. Buccal/ Lingual |
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Which of the following appears radiographically as an ill-defined cresent-shaped radiolucency below the CEJ?
a. Proximal b.Occlusal c. Cemental d. Buccal/Lingual |
C. Cemental |
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Caries that occur under a restoration or around its margins are called?
a. Recurrent caries b. Stainless steel caries c. Cervical Burnout d. Mach Banding |
A. Recurrent Caries |
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Each of the following may mimic caries radiographically except one. Which one is the EXCEPTION
a. Composite Restoration b. Stainless Stain crowns c. Cervical burnout d. Mach Banding |
B. Stainless stain Crown |
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An optical illusion created by an increased radiolucency observed at all the cervical area of the tooth is call mach banding
Mach Banding effect increases when overlap errors occur? |
The first statement is false The second statement is true |
