1. Department of Dental Materials and Dental Prostheses Technology, ‘Victor Babes’ University of Medicine and Pharmacy of Timisoara, 2 Eftimie Murgu Str., 300041 Timisoara, Romania
2. 3OM Optomechatronics Group, Faculty of Engineering, ‘Aurel Vlaicu’ University of Arad, 77 Revolutiei Ave., Arad 310130, Romania
3. Doctoral School, Polytechnic University of Timisoara, 1 Mihai Viteazu Ave., Timisoara 300222, Romania
4. Department of Periodontology, ‘Victor Babes’ University of Medicine and Pharmacy of Timisoara, 2 Eftimie Murgu Str., 300041 Timisoara, Romania
5. Department of Dentistry, ‘Iuliu Hatieganu’ University of Medicine and Pharmacy of Cluj-Napoca, 8 Babes Street, 400012 Cluj-Napoca, Romania
6. Bioengineering Center, Department of Mechanics and Vibrations, Polytechnic University of Timisoara, 1 Mihai Viteazu Ave., 300222 Timisoara, Romania