Nanoscale analysis shows effective demineralisation of dentin, suggesting precise etching times for optimal bonding.
This study provides nanoscale evidence that phosphoric acid etching of dentin for approximately 10 seconds achieves effective demineralisation while preserving collagen integrity. Longer etching times compromise fibril structure, underscoring the need for precise, time-controlled protocols to optimise resin-dentin bonding performance.
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Alzubaidi et al. (2026) studied this question.
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