Biohazard is a term that refers to any substance that poses a threat to the health of living tissues. Certain materials employed in dentistry pose a threat to the harmony of biological reactions in humans which may include a sample of micro organism, a virus or toxins that can affect human health. Biohazards also pose a threat to other organisms. Biohazards are usually a side-effect or a byproduct of industrialisation. Dentists usually work with and are exposed to a number of biological and occupational hazards on a daily basis due to the nature of their work. It is vital that the students graduating as dentists are aware of all the risks. This survey was done with the idea of assessing the level of awareness among dental students regarding the biohazard properties of dental materials. A self structured questionnaire consisting of 16 questions was circulated among 200 dental students. Results were tabulated and analysed.The results were varied. Most responses show good knowledge and awareness about biohazards, but the responses to some questions show that more information about dental materials should be provided to the students. It can be concluded that dental students have moderate to good level of knowledge about biohazards of dental materials. This can be improved by delivering information and increasing exposure to the various dental materials available.
Key words: Allergies, Biohazards, Dental Materials, Denture Stomatitis, Mercury Toxicity
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