Affiliation: | 1.Private Dental Practice, Dankovecka 9/I, Zagreb, Croatia ;2.Department of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, Gunduliceva 5, Zagreb, Croatia ;3.Institute of Physics, Bijenicka cesta 46, Zagreb, Croatia ;4.Department of Physics and Biophysics, School of Medicine, University of Zagreb, Salata 3b, Zagreb, Croatia ; |