Multiple choice

A nonactive carious lesion in dentin may be easily identified by all of the following, except

  1. Pain on excavation

  2. Soft and cheesy in consistency

  3. Dark and hard

  4. Presence of dark pigmentation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Active carious lesions means bacteria are actively demineralizing enamel/dentin. The surface would be soft and cheesy, dark in colour and there will be pain on excavation. In a nonactive lesion, the bacteria and the host will be in the state of equilibrium. The tooth surface will be dark but hard.

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