Radiology 30,31,32,33,34,21

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The alveolar crest of bone appears _____ in anterior regions of the mouth. 1. pointed 2. flat 3. sharp 4. smooth A1, 3 B 1, 4 C 2, 3 D 2, 4

A 1,3 In the anterior regions the alveolar crest appears pointed and sharp and is normally very radiopaque.

The normal healthy alveolar crest is located approximately _______ mm apical to the cementoenamel junctions of adjacent teeth. A 0.5 to 1.0 B 1.5 to 2.0 C 2.5 to 3.0 D 3.5 to 4.0

A. Normal healthy alveolar crest is located approximately 1.5 to 2.0 mm apical to the cementoenamel junctions of adjacent teeth.

Which of the following is the most common of all tooth-related cysts? A primordial cyst B dentigerous cyst C periapical cyst D lateral periodontal cyst

A. Periapical cysts are the most common of all tooth-related cysts and comprise 50% to 70% of all cysts in the oral region.


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