Hepatitis B Virus among Dental Clinic Workers and the Risk Factors Contributing for its Infection

Online Journal of Dentistry & Oral Health

The study included 246 dentists and 263 dental assistants, the sero-prevalence of current hepatitis B virus infection was 6.1%; while prevalence of life time exposure to hepatitis B virus infection was 18%. Prevalence of needle stick injuries, exposure to skin and to mucous membranes were 45.6%, 26.5% and 25.3% respectively. Cuts were also common with 41.1% of participants reporting a cut in a period of one year preceding the survey. Regular use of gloves, face mask, and glasses were reported by 74.4%, 28.3% and 25.3% of participants respectively. Only 30.1% of respondents were vaccinated against hepatitis B virus infection and 52.1% were susceptible and could potentially be protected through vaccination. Longer duration in service was associated with risk of infection (OR ranged from 2.2-2.65; P value = 0.002). Being assistant (OR = 1.97; P value = 0.001) was associated with a higher risk of hepatitis B virus infection.

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