Antoine Galibourg1, Christian Brenes2. 1. Instructor, Department of Prosthetics Dentistry, Faculté de Chirurgie Dentaire, Université Paul Sabatier, Centre Hospitalier Universitaire, Toulouse, France. Electronic address: antoinegalibourg@gmail.com. 2. Assistant Professor, Department of General Dentistry, Dental College of Georgia, Augusta University, Augusta, Ga.