This article will look into the standard precautions to protect Dental Health Care Personnel and patients from pathogens that spread by blood, body fluids, secretions, and excretions, nonintack skin, and mucous membranes. This includes saliva in dental patients even if no blood is present. Diseases are also transmitted through airborne, droplet, or contact transmission through sneezing, coughing and contact with skin. Examples of these are TB, influenza, and varicella.