Author(s):
1. Jovan Vojinović, University Business Academy Novi Sad, Faculty of Dental Medicine in Pancevo, Republic of Srpska, Bosnia and Herzegovina
2. Tatjana Šljokavica, Dom zdravlja Novi Grad , Republic of Srpska, Bosnia and Herzegovina
3. Gordana Kuprešak, Dom zdravlja Šipovo, Republic of Srpska, Bosnia and Herzegovina