Beyond冷光美白治疗对活髓牙釉质表面超微结构影响的研究

Abstract

Abstract: Objective To evaluate the effect of Beyond Cold Light Whitening on the ultrastructure of enamel surface. Methods Impressions of three patient′s upper incisors were taken before,immediately after and three months after Beyond cold light whitening treatment.Epoxy resin replica was made to analyze the bleached enamel surfaces with scanning electron microscopy. Results The SEM findings revealed that mild demineralization changes such as the pitting and micro-porosity were observed on the enamel surface immediately after and three months after bleaching and the ultrastructural changes become less obvious three months after whitening. Conclusions The Beyond cold light whitening might result in the micro morphological changes of the bleached enamel surfaces.The bleached enamel with the micro morphological changes could be re ?ineralized in vivo over time.

Key words: KEY WORDS: Beyond cold light bleaching, enamel, scanning electron microscopy, micromorphology

CLC Number:

R781.1

References

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The effect of beyond cold light whitening on the ultrastructure of enamel surface

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