Abstract: A dental handpiece for delivering a fluid from a fluid source to a dental attachment under a regulated pressure. The said handpiece includes a head portion having a socket arranged to receive the dental attachment. A fluid passageway is in fluid communication with the socket and the fluid source. A fluid pressure control fitting resides in the passageway. The fitting has an orifice with a cross-sectional area less than said passageway interior cross-sectional area. The handpiece may be arranged for the delivery of more than one regulated fluid.