1. Eleven myths of dentoalveolar surgery;Alexander;J Am Dent Assoc,1998
2. Surgical crown lengthening for function and esthetics;Allen;Dent Clin North Am,1993
3. Crown lengthening: the periodontal-restorative connection;Becker;Compendium Contin Educ Dent,1998
4. Achieving optimal gingival esthetics around restored natural teeth and implants. Rationale, concepts, and techniques;Bichacho;Dent Clin North Am,1998
5. Surgical lengthening of the clinical crown;Brägger;J Clin Periodontol,1992