Chairside Assisting: Sealants and Polishing · CDA

What should be done if saliva contaminates the tooth after etching and before sealant placement?

  1. Apply sealant immediately
  2. Rinse, dry, and re-etch the tooth
  3. Apply additional cotton rolls
  4. Cure the tooth surface before sealing
Show answer and explanation

Correct answer: Rinse, dry, and re-etch the tooth

Contamination compromises bonding. Re-etching restores enamel’s ability to retain the sealant.

Difficulty: Medium Question 7 of 20

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