1. Nightguard vital bleaching;Haywood VB;Quintessence Int,1989
2. History, safety, and effectiveness of current bleaching techniques and applications of the nightguard vital bleaching technique;Haywood VB;Quintessence Int,1992
3. Research on whitening teeth makes news;Haywood V;NC Dent Rev,1990
4. Nightguard vital bleaching, a history and product update. Part 1;Haywood VB;Esthet Dent Update,1991
5. Scanning Electron Microscopy Study of Dental Enamel Surface Exposed to 35% Hydrogen Peroxide: Alone, With Saliva, and With 10% Carbamide Peroxide