A dental cleaning appliance has a handle, a fluid reservoir, and a fluid delivery system. A drive unit drives a brush relative to the handle. The fluid reservoir extends about at least part of the drive unit. Preferably the drive unit is a motor 70 located in the brush-end section 36 of the handle which is enclosed by the reservoir. The brush-end of the handle may be of reduced cross-section relative to a grip section 18. The brush may have a stem 22 which engages with a spigot 66 extending through an aperture in the preferably spheroidal external wall 94 of the reservoir. Water from the reservoir passes through an inlet (78, figure 5) to a pump in the handle and then via a conduit 82 through a shaft 72 in the motor, through the spigot 66 and through the brush stem 22 to the bristle carrier 28.
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