Acid etching _______ the openings of the tubules

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Study for the Biocompatibility of Dental Materials Test. Prepare with multiple choice questions and detailed explanations to ensure you're ready for your exam!

Multiple Choice

Acid etching _______ the openings of the tubules

Explanation:
Acid etching demineralizes the dentin (and enamel) by dissolving the inorganic mineral content of hydroxyapatite. In dentin, this also removes the smear layer and exposes the collagen network, creating micro-roughness and making the tubule openings accessible for adhesive infiltration. This process does not add minerals, block the tubules, or physically widen them as the primary effect. Instead, it removes minerals and the smear layer, revealing and opening the tubule orifices for bonding.

Acid etching demineralizes the dentin (and enamel) by dissolving the inorganic mineral content of hydroxyapatite. In dentin, this also removes the smear layer and exposes the collagen network, creating micro-roughness and making the tubule openings accessible for adhesive infiltration. This process does not add minerals, block the tubules, or physically widen them as the primary effect. Instead, it removes minerals and the smear layer, revealing and opening the tubule orifices for bonding.

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