| 摘要 |
A dental cleaning appliance (10) includes a handle, a fluid reservoir (34) for storing a working fluid, a fluid delivery system for receiving working fluid from the fluid reservoir (34), and for delivering a burst of working fluid to the teeth of a user, and an external collar (124) comprising a fluid port (122), the collar (124) being moveable relative to the handle between a first position in which the fluid port (122) is exposed to allow the fluid reservoir (34) to be replenished, and a second position in which the fluid port (122) is occluded. |
