1. Dental student, Faculty of Dental Medicine , “George Emil Palade” University of Medicine, Pharmacy, Science and Technology , Târgu Mureş , Romania
2. Faculty of Dental Medicine , “George Emil Palade” University of Medicine, Pharmacy, Science and Technology , Târgu Mureş , Romania
3. Department of Morphology of Teeth and Dental Arches, Technology of Dental Prosthesis and Dental Materials, Faculty of Dental Medicine , “George Emil Palade” University of Medicine, Pharmacy, Science and Technology , Târgu Mureş , Romania