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Brazilian Journal of Microbiology

Print version ISSN 1517-8382

Abstract

PAIVA, Enilza Maria Mendonça de; TIPLLE, Anaclara Ferreira Veiga; SILVA, Eliane de Paiva e  and  CARDOSO, Divina das Dores de Paula. Serological markers and risk factors related to hepatitis B virus in dentists in the Central West region of Brazil. Braz. J. Microbiol. [online]. 2008, vol.39, n.2, pp. 251-256. ISSN 1517-8382.  http://dx.doi.org/10.1590/S1517-83822008000200010.

The hepatitis B virus (HBV) has been considered the major occupational risk agent for dentists. The Central West region of Brazil is considered an intermediate endemic pattern area, but currently there is no information about the HBV prevalence in dentists of Goiânia, Goiás. This study aimed at the detection of the HBV infection rate and risk factors for dentists of Goiânia and the comparison of the obtained data with the general population and other groups. A randomized sample of 680 professionals participated in this study. All dentists gave written consent for the procedure and filled out a questionnaire about risk factors. The HBV serological markers were analyzed using ELISA test and the presence of anti-HBc was observed in 41 (6.0%) of the dentists. None of them was HBsAg positive. Significant relationships with HBV positivity were observed with gender, the time working as a dentist and the use of incomplete personal protective equipment (PPE). The HBV prevalence found in this group of dentists was lower than the endemic pattern of the general population, other health care workers of the region and the dentists from other regions in Brazil. These results may indicate a positive impact of vaccination considering the high adherence of the dentists to the immunization program (98.4%). Finally, the use of complete PPE by the majority as well as other standard precautions recommended for health care workers could be responsible for the low HBV seroprevalence.

Keywords : HBV; dentists; Hepatitis B.

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