1. Tooth discolouration and staining: a review of the literature;Watts;British Dental Journal,2001
2. Whitening toothpastes: effects on tooth stain and enamel;Joiner;International Dental Journal,2002
3. Current status of nightguard vital bleaching;Haywood;Compendium of Continuing Education in Dentistry,2000
4. Shifting paradigms in whitening: introduction of a novel system for vital tooth bleaching;Gerlach;Compendium of Continuing Education in Dentistry,2000
5. Safety profile of a new liquid whitening gel;Slezak;Compendium of Continuing Education in Dentistry,2002