Dental professionals are exposed to a wide variety of microorganisms in the blood and saliva of patients. The use of effective infection control procedures and universal precautions in Dental Hospital will prevent cross contamination that could extend to patients, dentists, staff and dental technicians. Dental instruments and handpieces are sterilized for every patient. The uses of disposable dental material items prevent their reuse on other patients. All mentioned are provided for prevention of cross infection between patients.