1. Victor Babes University of Medicine and Pharmacy, Faculty of Dentistry, Department of Propaedeutics and Dental Materials, 2 Eftimie Murgu Sq, Timisoara 300041, Romania
2. Research Center in Dental Medicine Using Conventional and Alternative Technologies, Faculty of Dental Medicine, Victor Babes University of Medicine and Pharmacy of Timisoara, 9 Revolutiei 1989 Ave, Timisoara 300070, Romania
3. Victor Babes University of Medicine and Pharmacy, Faculty of Dentistry, Department of Dental Prevention and Oral Health, 2 Eftimie Murgu Sq., Timisoara 300041, Romania
4. Victor Babes University of Medicine and Pharmacy, Faculty of Dentistry, Department of Endodontics, 2 Eftimie Murgu Sq., Timisoara 300041, Romania
5. Victor Babes University of Medicine and Pharmacy, Faculty of Medicine, Department of Biophysics, 2 Eftimie Murgu Sq., Timisoara 300041, Romania
6. Victor Babes University of Medicine and Pharmacy, Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, 2 Eftimie Murgu Sq., Timisoara 300041, Romania