Occupational ill health and diseases are known to occur, but few people have the knowledge and skill to prevent them. Dental professionals may be at risk for exposure to numerous workplace hazards. These hazards include but are not limited to the spectrum of blood borne pathogens, pharmaceuticals and other chemical agents, human factors, ergonomic hazards, noise and vibration. Accidents and diseases in the workplace have generally been seen as part and parcel of everyday life, bad luck, carelessness .To know and understand the causes of occupational hazards are very important to stop or prevent them
