Abstract: The fluid delivery/refilling system includes a unit-of-use fluid reservoir for dentifrice or medication within a head portion of a power toothbrush, which is removable from the remainder thereof. A pump element is located in the brushhead and is configured so that the back and forth movement of the brushhead in operation results in fluid moving from the reservoir to a dispensing valve located in the brushhead. The dispensing valve has an end portion which is normally closed, opening under pressure of fluid from the pump. The refilling assembly is separate from the toothbrush and is configured to fit over the top of the toothbrush. Upward pressure exerted on the toothbrush when the toothbrush is within the refilling assembly results in movement of a core element in the refilling assembly, which in turn results in a hollow needle in the refilling assembly extending into a refiller valve in the head portion of the toothbrush.

Abstract: The fluid delivery/refilling system includes a unit-of-use fluid reservoir for dentifrice or medication within a head portion of a power toothbrush, which is removable from the remainder thereof. A pump element is located in the brushhead and is configured so that the back and forth movement of the brushhead in operation results in fluid moving from the reservoir to a dispensing valve located in the brushhead. The dispensing valve has an end portion which is normally closed, opening under pressure of fluid from the pump. The refilling assembly is separate from the toothbrush and is configured to fit over the top of the toothbrush. Upward pressure exerted on the toothbrush when the toothbrush is within the refilling assembly results in movement of a core element in the refilling assembly, which in turn results in a hollow needle in the refilling assembly extending into a refiller valve in the head portion of the toothbrush.

Abstract: A vibrating driver assembly is used to vibrate a mounting means, on which a stimulator member is positioned. The stimulator member is a flexible rubber (elastomeric) member which is positioned in operation so as to contact tissue within the vicinity of a salivary gland or a salivary duct of the human body or the salivary gland/duct directly. The vibration of the stimulator member has such a frequency and amplitude and the stimulator itself has such a configuration and arrangement as to result in a vibration of the salivary gland or salivary duct sufficiently and of such a character to produce a significant increase in the production of saliva and/or movement of the saliva from the salivary gland into the mouth.

Abstract: A brushhead for a toothbrush having a particular bristle configuration which includes a plurality of bristle tufts arranged in three columns and nine rows, wherein the distal end two adjacent rows and the proximal end two adjacent rows and an intermediate row have longer bristles than the remaining bristle tuft rows. The distal, intermediate and proximal bristle tuft rows all have pointed tips (in the lateral direction) and beveled outside edges at the top portion thereof. The shorter bristle tuft rows also have beveled outside edges. The shorter bristle tuft rows between the distal and intermediate rows have angled top surfaces in addition to the beveled outside edges.