New developments in tooth whitening. The current status of external bleaching in orthodontics.

This article provides a contemporary view of external tooth whitening procedures currently available, with particular reference to bleaching. The various techniques and products are described, with their advantages, disadvantages, mode of action and the current legal stand-point discussed. The results of a British Orthodontic Society survey of Specialist and Practitioner Groups regarding current usage patterns of tooth whitening products are presented.