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  • Endodontics (MDS)
  • Extrinsic discolouration caused by silver nitrate stains ...
Multiple choice

Extrinsic discolouration caused by silver nitrate stains can be removed by

  1. scaling

  2. polishing

  3. bleaching

  4. grinding

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Silver nitrate stains are almost impossible to eliminate without grinding because the stains penetrate the surface of the crowns and are difficult to remove by chemical means.

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