Abstract: The guidance assembly is used for precise cleaning of interproximal spaces of teeth. The guidance assembly includes a base portion (30) for contacting the surfaces of teeth and gum region, adjacent the interproximal space, the base portion being approximately 12 mm in diameter to provide stable contact with the teeth and gum region. The guidance assembly also includes a tip portion (28) which extends forward of the base portion and includes an opening (31) through which the droplet spray is directed coincident with the plane of the interproximal space.

Abstract: The apparatus includes a motor (20) which drives a first compound gear (28) having first and second portions (26, 32), the second portion driving a second compound gear (36). The second compound gear has one portion (38) which has teeth over only one half the circumference thereof. The apparatus further includes an air cylinder (12) and a rack (62) and a spring assembly (66) a sealing end portion (64) of the rack fitting in a fluid-tight relationship with the air cylinder, wherein the rack member is engaged by the one portion of the second compound gear, compressing the spring when the teeth thereon engage the rack member. When the no-teeth portion comes adjacent the rack member, the rack is released and the sealing end of the rack member is forced by action of the spring into the air cylinder, producing bursts of air. The second compound gear also drives a peristaltic pump, producing liquid in bursts which are directed to a mixing chamber 58, from which a stream of liquid droplets exit through exit 16.

Abstract: The apparatus includes a motor (20) which drives a first compound gear (28) having first and second portions (26, 32), the second portion driving a second compound gear (36). The second compound gear has one portion (38) which has teeth over only one half the circumference thereof. The apparatus further includes an air cylinder (12) and a rack (62) and a spring assembly (66) a sealing end portion (64) of the rack fitting in a fluid-tight relationship with the air cylinder, wherein the rack member is engaged by the one portion of the second compound gear, compressing the spring when the teeth thereon engage the rack member. When the no-teeth portion comes adjacent the rack member, the rack is released and the sealing end of the rack member is forced by action of the spring into the air cylinder, producing bursts of air. The second compound gear also drives a peristaltic pump, producing liquid in bursts which are directed to a mixing chamber 58, from which a stream of liquid droplets exit through exit 16.

Abstract: The guidance assembly is used for precise cleaning of interproximal spaces of teeth. The guidance assembly includes a base portion (30) for contacting the surfaces of teeth and gum region, adjacent the interproximal space, the base portion being approximately 12 mm in diameter to provide stable contact with the teeth and gum region. The guidance assembly also includes a tip portion (28) which extends forward of the base portion and includes an opening (31) through which the droplet spray is directed coincident with the plane of the interproximal space.

Abstract: The fluid-dispensing power toothbrush includes a selected toothbrush architecture, generally, a handle portion, a head portion which is removable from the handle portion and a fluid-dispensing system which is removable with the head portion. The fluid-dispensing portion includes a pump and a fluid reservoir, with the reservoir being removable from the pump. The entire reservoir extends down along an exterior surface of the handle, below the lower edge of the head portion. A cover member overlies and mates with the handle, covering the reservoir when the cover member is in a closed position.

Abstract: The fluid-dispensing power toothbrush includes a selected toothbrush architecture, generally, a handle portion, a head portion which is removable from the handle portion and a fluid-dispensing system which is removable with the head portion. The fluid-dispensing portion includes a pump and a fluid reservoir, with the reservoir being removable from the pump. The entire reservoir extends down along an exterior surface of the handle, below the lower edge of the head portion. A cover member overlies and mates with the handle, covering the reservoir when the cover member is in a closed position.