Article ID: jslsm-46_0002
Tooth bleaching (whitening) is a minimally invasive and cost-effective dental esthetic treatment that has become popular for enhancing people’s smiles. All in-office bleaching products registered in Japan require light irradiation. Although there are many papers about the application of laser for tooth bleaching, it has not been clinically used in Japan. This article introduces the characteristics and treatment procedures of various tooth bleaching, and it describes tooth staining and discoloration, the mechanism of tooth bleaching, and the indications and contraindications.