1. University of Monastir, Faculty of dental Medicine, Department of dental anatomy, Monastir, Tunisia
2. University of Monastir, Research Laboratory of Occlusodontics and Ceramic Prostheses LR16ES15, 5000 Monastir, Tunisia
3. Department of Fixed Prosthodontics of the Dental Clinic of Monastir, Monastir, Tunisia
4. Department of Fixed Prosthodontics of the Military Hospital of Instruction of Tunis, Tunis, Tunisia