The purpose of this study was to search for the best surface treatment material for the power-bleaching of teeth to retard the initial color relapse from further development. Four evaluated materials, self-etching light-cured resin bond (S-E bond), the bonding agent in S-E bond (bonding agent), light-activated resin composite surface protector (Brightener Ⅲ), and S-E applied first then Brightener Ⅲ (S-E bond + Brightener Ⅲ), were respectively applied to laser power- bleached teeth samples, In order to select the best surface treatment material, colorimetry and scanning electron microscopy were respectively performed to investigate color differences (△E) and microstructural variations. The results, demonstrated that 1 layer of Brightener Ⅲ not only produced no clinically significant color differences, but also created a smooth surface when applied to power-bleached teeth. It was concluded that the 3rd generation light-activated resin composite surface protector (Brightener Ⅲ) was the best surface treatment material for power-bleached teeth.
|Original language||Traditional Chinese|
|Number of pages||11|
|Publication status||Published - 2005|
- initial color relapse
- tooth bleaching
- surface treatment material