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