Tyagi, SanjeevKulkarni, ParimalaPrasad, P Krisna2016-02-232016-02-232010-07Tyagu Sanjeev, Kulkarni Parimala, P Krishna Prasad. Science Regarding Dental Unit Water Lines (DUWL): A Review. Annals and Essences of Dentistry. 2010 July-Sept; 2(3): 117-122.0975-8798http://imsear.searo.who.int/handle/123456789/173877Water is used as a Coolant and irrigant for various dental procedures. This water that flows through the Dental Unit Water Line (DUWL) should be free of contamination. The microorganisms contaminating the dental unit supplies is different from those which contaminate the drinking water. This article reviews the different provisions to be made in the water pipeline systems to prevent contamination.enContaminationDental Unit Water Line (DUWL)Article