With acetone based adhesive systems, the strength of adhesion to dentin after etching with phosphoric acid can be increased by:

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With acetone based adhesive systems, the strength of adhesion to dentin after etching with phosphoric acid can be increased by:
A . Removing the smear layer to eliminate all surface debris.
B . Drying the dentin completely.
C . Treating the dentin with 10% NaOCI (sodium hypochlorite) and keeping it moist.
D . Keeping the dentin moist.

Answer: D