Practice Quiz

ADA NBDHE Dental Hygienist

Category - Provision of Clinical Dental Hygiene Services

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What three zones of carious dentin are capable of remineralization?
  1. Normal dentin, transparent dentin, and infected dentin
  2. Turbid dentin, infected dentin, and sub-transparent dentin
  3. Normal dentin, sub-transparent dentin, and transparent dentin
  4. Transparent dentin, turbid dentin, and infected dentin
Explanation
Answer: C - The three zones of carious dentin that are capable of remineralization are normal dentin, sub-transparent dentin, and transparent dentin. The zones have no bacteria present. There may be demineralization, but remineralization is possible. Turbid and infected dentin must be removed.
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