Croatia 1 Dental Students 1 Dentists Oral Health 1 Tobacco Smoking 1 adult 1 article 1 awareness 1 controlled study counseling 1 dental student 1 education 1 female 1 health care personnel 1 healthy lifestyle 1 human 1 major clinical study 1 male 1 prevalence 1 prevention 1 promoter region 1 smoking cessation 1 smoking habit 1 tooth 1