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ADA NBDHE Dental Hygienist

Category - Provision of Clinical Dental Hygiene Services

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Acid etch improves sealant retention primarily through:

Mechanically bonding
Curing
Chemically bonding
Self-curing

Explanation

Answer: A - Acid etch improves sealant retention through mechanically bonding.
The acid etch roughens the enamel of the occlusal surface to be sealed. The etched enamel provides a more secure area of attachment for sealant material.

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