Prophylaxis before whitening can improve outcomes
Prophylaxis is “highly recommended” prior to using paint-on home-whitening gels, according to a new study (Quintessence International, February 2010, Vol. 41:2, pp. 145-156). Researchers from Dresden University of Technology looked at 90 extracted human maxillary anterior teeth that were randomly separated into a prophylaxis group or nonprophylaxis group (45 teeth in each group). The prophylaxis group received debridement and polishing before whitening. The two groups were then randomly separated into

