[Prevalence of hepatitis B virus markers in dentists in a rural community].

It carried out an epidemiology serum study in dentist of Lincoln with the object to know the prevalence of hepatitis B viral index and the influence of the professional and extra-professional. From the 12 integrants of the study, 3(25%) had any positive index. There are significant differences with a group of voluntary blood donars, its considered a danger group. There aren't any difference between dentist of rural and urban community. The prevalence is increased by: the oldness in the profession, the number of patients by month, the specialty, the absence of preservative measure, the age, the sex and the antecedent contact with hepatitis.