Affiliation: | 1. Department of Dentofacial Orthopaedics, Tizi-Ouzou Hospital Centre, Department of Dental Medicine, University of Mouloud Mammeri, 15000 Tizi-Ouzou, Algeria;2. Department of Dentofacial Orthopedics, Béni-Messous Hospital Centre, Department of Dental Medicine, University of Medicine of Alger, 16000 Alger, Algeria;3. Faculty of Physics USTHB, Laboratory of Material Physics, Department of Materials and Components, 16000 Alger, Algeria;4. Functional Unit of Dentofacial Orthopedics, University and Hospital Center of la Timone, 13005 Marseille, France |