Author(s):
1. Gordana Simić, Dental clinic„SIMIĆ DENT“,Vidovdanska 2, 78000 Banja Luka,
Republic of Srpska, Bosnia and Herzegovina
2. Sara Marmat, Dental clinic„SIMIĆ DENT“,Vidovdanska 2, 78000 Banja Luka,
Republic of Srpska, Bosnia and Herzegovina