Abstract
The histopathologic effects of acid-etching on caries-like lesions of enamel were studied using polarized light techniques. The results indicated that surface losses and qualitative changes in the superficial portions of the etched surface zones were similar to those reported previously for sound enamel. The etched, intact surface zones appeared to be more porous, while still maintaining their integrities. The ability of the acid-etch technique to affect the lesion to its entire depth was evidenced by the increased incidence of dark zones following the etching procedure. The acid-etch procedure may facilitate remineralization of the etched lesion by providing pathways to the subsurface body of the lesion for remineralizing fluids.
Published Version
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