Introduction- Hepatitis B virus is the major cause of liver disease and liver cancer. It belongs to a member of the Hepadnaviridae family. It is one of the most common blood borne viral infection. To prevent HBV infection and its complications Hepatitis B vaccine is used. Medical students are more susceptible to HBV infection because of their clinical exposure. Objective: The study was done to assess the knowledge regarding Hepatitis B virus infection and its various modes of transmission and use of Personnel Protective Barriers among dental students. Methods: It was a questionnaire study which was conducted by using predesigned and structured questionnaire among all the dental students of Babu Banarasi Das College of Dental Sciences, Lucknow. The students who were present on the day of data collection were included. The data obtained was transferred to excel sheet and analysed using SPSS 18.0 version. Result: A total of 431 students were examined. 425 students(98.6%) were aware of hepatitis B as a disease. 425 students(98.6%) were aware regarding the transmission of the virus through blood and 281 students(65.2%) were aware regarding the use of Personnel Protective Barriers. Conclusion: The overall awareness regarding HBV among dental students was found to be satisfactory
