Effects of 45S5 bioglass on surface properties of dental enamel subjected to 35% hydrogen peroxide

Abstract

The application of bioglass during hydrogen peroxide tooth bleaching may greatly improve enamel protection, researchers in China report. Bleaching with hydrogen peroxide is a popular way of improving tooth appearance, but can cause significant chemical and structural damage to both the surface and internal structure of tooth enamel. Ji-Yao Li and colleagues at Sichuan University and Zhejiang Chinese Medical University analyzed the use of bioglass — a silica-based synthetic material widely used for bone and tissue reconstruction — as an enamel repair agent in bleaching. The team investigated the effect of adding bioglass to the bleaching procedure before, during and after the application of 35% hydrogen peroxide onto bovine teeth. They found that applying bioglass during bleaching was most effective: it reduced mineral loss and retained the surface integrity of the enamel.

Keywords

Bioglass / enamel / hydrogen peroxide / tooth bleaching

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