1. 1Department of Pediatric Dentistry and Orthodontics, Faculty of Dental Medicine, University of Medicine and Pharmacy, Tîrgu Mureș, Romania
2. 2Department of Paedodontics-Orthodontics, School of Dentistry, “Victor Babeș” University of Medicine and Pharmacy, Timișoara, Romania
3. 3PhD student, University of Medicine and Pharmacy, Tîrgu Mureș, Romania
4. 4Student, University of Medicine and Pharmacy, Tîrgu Mureș, Romania