When restoring a tooth with resin material, acid etching can do all of the following except______________?
Correct answer: B. Permit chemical bonding between resin and enamel
- A. Increase the surface area
- B. Permit chemical bonding between resin and enamel
- C. Create surface irregularities in enamel for better mechanical retention of resin
- D. Condition the tooth surface for better wetting
Explanation
Acid etching produces microporosities, increases effective surface area, and improves wetting, allowing micromechanical retention. It does not itself create a chemical bond between resin and enamel.
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