1. Cosmetic Dentistry State of the Industry Survey,2015
2. Use of different concentrations of carbamide peroxide for bleaching teeth: an in vitro study;Leonard;Quintessence Int.,1998
3. The bleaching of teeth: a review of the literature;Joiner;J. Dent.,2006
4. Non-clinical outcome measures in dentistry: publishing trends 1988-98;Buck;Community Dent. Oral Epidemiol.,2001
5. Measuring oral health and quality of life: department of Dental Ecology, School of Dentistry;Slade,1997