The present invention relates to a sterilized dental water supply device, and more specifically, to a sterilized dental water supply device is portable such that the sterilized dental water supply device can be connected to any chair unit equipped in a dentists office at any time when necessary to supply sterilized dental water. According to the present invention, a dental electrolyzed water supply device comprises: a case a connector insertion unit which is coupled with a handpiece connector in which handpieces necessary for dental treatment are coupled, and has a first fluid pipe that is connected to a pipe, which is formed in said handpiece connector and allows water supplied to said handpieces to flow thereinto a sterilizing unit which sterilizes water supplied through said connector insertion unit a sterilized water supply pipe which allows the sterilized water made in said sterilization unit to be supplied to the handpiece and a connector unit which is formed at the end of said sterilized water supply pipe, has a structure into which one end of a handpiece is inserted, and has a second fluid pipe that is connected to a pipe, which is formed in said handpiece and allows water to be supplied to said handpiece.La présente invention concerne un dispositif dalimentation en eau dentaire stérilisée, et de manière plus spécifique, un dispositif dalimentation en eau dentaire stérilisée portatif, de telle sorte que le dispositif dalimentation en eau dentaire stérilisée peut être connecté à toute unité de fauteuil installée dans un cabinet dentaire à tout moment lorsquune alimentation en eau dentaire stérilisée est nécessaire. Selon la présente invention, un dispositif dalimentation en eau dentaire électrolysée comprend : un boîtier une unité dinsertion de connecteur couplée à un connecteur de pièce à main auquel sont couplées les pièces à main nécessaires pour le traitement dentaire, et possède un premier tuyau pour liquide qui est connecté à un tuyau, qui est formé da
