Multiple choice

Stains that result from pulp necrosis can usually be removed by

  1. internally bleaching the tooth

  2. scaling

  3. polishing

  4. grinding
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Stains caused by pulp necrosis are intrinsic stains, which do not get removed by extrinsically scaling or polishing. These stains need to internally bleached for good results.

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