1. Critical horizontal dimensions of interproximal and buccal bone around implants for optimal aesthetic outcomes: a systematic review;Teughels;Clin Oral Implants Res,2009
2. The edentulous ridge in fixed prosthodontics;Garber;Compend Contin Educ Dent,1981
3. The anterior alveolus: its importance in limiting orthodontic treatment and its influence on the occurrence of iatrogenic sequelae;Handelman;Angle Orthod,1996
4. Prosthetic gingival reconstruction in fixed partial restorations. Part 1: introduction to artificial gingiva as an alternative therapy;Coachman;Int J Periodontics Restorative Dent,2009
5. Prosthetic gingival reconstruction in fixed partial restorations. Part 2: diagnosis and treatment planning;Salama;Int J Periodontics Restorative Dent,2009