Author(s):
1. Nemanja Vuković, Department of Oral surgery, Faculty of Stomatology, Pančevo, Serbia
2. Vladimir Biočanin, Stomatoloski fakultet, Pančevo, Serbia
3. Djorđe Antonijević, Department of histology, Faculty of Dentistry, University of Belgrade, Serbia
4. Vukoman Jokanović, University of Belgrade, Vinča Institute of Nuclear Sciences, Serbia, Serbia
5. Katarina Kalevski, University Business Academy Novi Sad, Faculty of Dental Medicine in Pancevo, Serbia