1. Clinical evaluation of a new 10% carbamide peroxide tooth-whitening agent;Barnes;Compendium of Continuing Education in Dentistry,1998
2. A six-month study of two self-applied tooth whitening products containing carbamide peroxide;Brunton;Operative Dentistry,2004
3. Comparison of two over-the-counter tooth whitening products using a novel system;Cronin;Compendium of Continuing Education in Dentistry,2005
4. A randomized clinical trial comparing a novel 5.3% hydrogen peroxide whitening strip to 10%, 15%, and 20% carbamide peroxide tray-based bleaching systems;Gerlach;Compendium of Continuing Education in Dentistry,2000
5. Comparative efficacy and tolerability of two direct-to-consumer tooth whitening systems;Gerlach;American Journal of Dentistry,2001