1. Determinants of dental esthetics: a rational for smile analysis and treatment;Moskowitz;Compend Contin Educ Dent,1995
2. Esthetic smile analysis of maxillary anterior tooth width: the golden percentage;Snow;J Esthet Dent,1999
3. The principles of visual perception and their clinical application to denture esthetics;Lombardi;J Prosthet Dent,1973
4. Dental esthetics and the golden proportion;Levin;J Prosthet Dent,1978
5. Proportional smile design using the recurring esthetic dental (RED) proportion;Ward;Dent Clin North Am,2001