1. Department of Mechatronics, Polytechnic University of Timisoara, 1 Mihai Viteazul Blvd., 300222 Timisoara, Romania
2. Department of Mechanics and Strength of Materials, Politehnica University of Timisoara, 1 Mihai Viteazu Blvd., 300222 Timisoara, Romania
3. Orthodontics Research Center ‘ORTHO CENTER’, Department of Orthodontics, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. 2, 300041 Timisoara, Romania