Which step must be performed immediately before applying a sealant?
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Correct answer: Tooth etching with phosphoric acid
Etching creates microscopic porosity in enamel to allow sealant retention. It is a critical bonding step.
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More Pit and fissure sealants questions
- How should enamel appear after proper etching?
- Which isolation method is most commonly used during sealant placement?
- What happens if saliva contaminates the etched tooth before sealant placement?
- Which material is most commonly used for pit and fissure sealants?
- Which curing device is used for light-cured sealants?
- Which factor most affects sealant retention?