1. Department of Removable Prosthodontics, Faculty of Dental Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 032799, Romania
2. Department of Pedodontics, Faculty of Dental Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 032799, Romania
3. Department of Embryology, Faculty of Dental Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 032799, Romania