Preventive Materials and Techniques · CDA

Which step must occur before applying a resin-based sealant?

  1. Etching the enamel
  2. Applying fluoride gel
  3. Using coarse pumice
  4. Checking occlusion
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Correct answer: Etching the enamel

Etching creates a roughened surface for micromechanical retention. This is essential for resin sealant bonding.

Difficulty: Medium Question 17 of 20

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