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ADA NBDE National Board Dental Part II

Category - NBDE II

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A complex cavity is defined as:
  1. A cavity that affects one surface of the tooth
  2. A cavity that is on two different surfaces and on two different teeth
  3. A cavity that is on two surfaces of the same tooth
  4. A cavity that is on more than two surfaces of the same tooth
Explanation
Answer: D - A complex cavity is a cavity that is on more than two surfaces of the same tooth. The inside of the tooth is hollow and soft. These caries quickly progress and affect the structure of adjacent teeth.
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