| Patents for A61C 17 - Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle (13,070) |
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| 07/03/1991 | CN2079948U Two-axle electric toothbrush |
| 07/03/1991 | CN2079947U Electric dual-direction rotary toothbrush |
| 07/02/1991 | US5028233 Disposable prophy angle |
| 07/02/1991 | US5027798 Water jet teeth flossing apparatus |
| 07/02/1991 | US5027463 Toothbrush |
| 06/27/1991 | DE3942192A1 Deformable medical silicone-rubber extruded tubing for fluids - has internal intersecting radial webs made of silicone rubber and preventing tubing collapse and providing several fluid or optical channels |
| 06/26/1991 | EP0433773A1 Dental prophy angle |
| 06/25/1991 | CA1285160C Cleaning tool, especially for dental use |
| 06/19/1991 | EP0433270A2 Separator and procedure to separate solid particles from a solid-air mixture |
| 06/19/1991 | CA2030424A1 Pressurized medicant applicator |
| 06/18/1991 | US5024600 Periodontal scaler-like medicinal fluid applicator |
| 06/12/1991 | EP0432142A2 Dental separator |
| 06/12/1991 | EP0431022A1 Process and device for preventing malfunction of a dental evacuation system. |
| 06/12/1991 | CN2078611U Hand-operated tooth cleaner |
| 06/12/1991 | CN2078610U Ultrasonic tooth cleaner |
| 06/11/1991 | US5022858 Portable dental instrument sterilizing container |
| 06/06/1991 | DE3939859A1 Dental vacuum instrument removing cooling water and organic material - is connected to light source for integrated illumination of working area |
| 06/04/1991 | US5020994 Dental prophylaxis angle |
| 06/04/1991 | US5020179 Electric toothbrush |
| 05/30/1991 | WO1991007144A1 Electrically powered mouth-care device |
| 05/30/1991 | WO1991007115A1 Electric toothbrush |
| 05/28/1991 | US5019038 Irrigation system for surgical procedures |
| 05/28/1991 | US5018971 Separator |
| 05/22/1991 | EP0428031A1 Dental apparatus |
| 05/22/1991 | EP0425561A4 Inherently nonrotating reciprocating dental tool |
| 05/22/1991 | CN2077265U Electric toothbrush |
| 05/22/1991 | CN2077264U Electric healthy toothbrush |
| 05/22/1991 | CN2077263U Healthcare massage tooth implement |
| 05/22/1991 | CN2077262U Spittoon with cover |
| 05/22/1991 | CN2077261U Automatic drying/lighting device for treatment of tooth sockets |
| 05/21/1991 | US5017135 Trap and separator for denial vacuum systems |
| 05/16/1991 | WO1991006258A1 Buccal douche with a liquid pump driven by an electric motor |
| 05/16/1991 | DE4005625C1 Tartar removing dental instrument - has impact tip with angled section on neck of instrument |
| 05/16/1991 | DE3937875A1 Elektrisch betriebenes geraet zur mundpflege Electrically operated geraet for mouth care |
| 05/16/1991 | DE3937854A1 Elektrisch antreibbare zahnbuerste Electrically driven zahnbuerste |
| 05/16/1991 | DE3937850A1 Elektrische zahnbuerste mit drehbarem borstentraeger Electric waffle with rotating borstentraeger |
| 05/15/1991 | WO1991007117A1 Electric toothbrush with detachable brush part |
| 05/15/1991 | WO1991007116A1 Electric toothbrush with rotary bristle carrier |
| 05/15/1991 | CN2076825U Medical narrow electric air heater |
| 05/15/1991 | CA2071916A1 Electric toothbrush with rotary bristle supporting structure |
| 05/14/1991 | US5015184 Evacuator tube tip guard |
| 05/08/1991 | EP0425561A1 Inherently nonrotating reciprocating dental tool |
| 05/08/1991 | DE3937852C1 Electric tooth-brush with sliding switch - having guide flanges in grooves at distance to outer surface of housing to form gap reducing wear |
| 05/08/1991 | DE3937023A1 Controlled cleaning of dental brushed - involves heated container with filter and basket for articles |
| 05/08/1991 | DE3936714A1 Munddusche mit einer durch einen elektromotor antreibbaren fluessigkeitspumpe Irrigator with a driven by an electric motor fluessigkeitspumpe |
| 05/07/1991 | US5013241 Ultrasonic jet dental tool and method |
| 05/07/1991 | CA2029295A1 Hand-held device for combatting periodontitis |
| 05/02/1991 | EP0425451A2 A centrifugal separator, in particular for use in conjunction with dental equipment |
| 05/02/1991 | EP0425357A2 Apparatus for cleaning or polishing teeth |
| 04/17/1991 | EP0422716A1 Apparatus for carrying out devitalizations and root canal treatments in teeth, and for sealing the treated teeth |
| 04/17/1991 | CN2075071U Auto-toothpaste supply type electric toothbrush |
| 04/16/1991 | US5007832 Disposable right angle dental handpiece |
| 04/11/1991 | DE3931982A1 Electric tooth-brush with hand-operated rotation-reversing switch - incorporates eccentrically-mounted brush in reciprocating and rotary head reversed by contact between profile and gum |
| 04/10/1991 | EP0420857A1 Reciprocating dental tool. |
| 04/04/1991 | DE3937877C1 Electric tooth-brush with cap sealing mounted by arresting ring - protected against knocks or vibration of drive since inner housing is spaced from outer by star-shaped bridging piece |
| 04/02/1991 | US5004419 Scalers for periodontal use |
| 03/26/1991 | US5002487 Periodontic tool with triangular vibration path |
| 03/26/1991 | US5002486 Control device for suction systems used in dentistry |
| 03/21/1991 | WO1991003214A1 Dental evacuator disinfectant and flush system |
| 03/21/1991 | WO1991003187A1 Implant brush |
| 03/20/1991 | EP0417212A1 Cleaning nozzle for dental hygiene. |
| 03/20/1991 | CN2073304U Dual purpose magneto-therapy oscillation massaging apparatus |
| 03/20/1991 | CN2073280U Hygienic tooth glass |
| 03/19/1991 | US5000684 Supra and subgingival tooth cleaning apparatus and method |
| 03/12/1991 | US4998880 Dental syringe safety sheath apparatus |
| 03/07/1991 | DE3929461A1 Rotary electric tooth-brush providing gum massage - has brush shaft with radial bristles rotation in either direction via electric motor |
| 03/06/1991 | CN2072387U Electric health care toothbrush |
| 02/26/1991 | US4995131 Electric toothbrush |
| 02/19/1991 | US4993947 Equipment for the treatment of dental roots |
| 02/19/1991 | US4993941 Dental irrigating needle |
| 02/18/1991 | EP0420857A4 Reciprocating dental tool. |
| 02/12/1991 | US4992047 Surgical suction tool |
| 02/12/1991 | US4992046 Dental mouth prop for isolating a tooth |
| 02/12/1991 | US4991570 Vacuum teeth cleaning system and method |
| 02/12/1991 | US4991569 Oral hygiene shower nozzle apparatus |
| 02/12/1991 | US4991249 Ultrasonic toothbrush |
| 02/06/1991 | EP0411473A2 Ultrasonic generator with a piezoelectric transducer |
| 02/06/1991 | CN2070619U Electronic health toothbrush |
| 02/05/1991 | US4989590 Irrigation appliance |
| 02/05/1991 | US4989287 Electric toothbrushes |
| 01/23/1991 | CN2069680U Health-giving toothbrush |
| 01/22/1991 | CA1279162C Oscillatable toothbrush |
| 01/15/1991 | US4984985 Peeling outer layer tooth surface |
| 01/10/1991 | WO1991000066A1 Sealing and bearing arrangement in electrical toothbrushes |
| 01/10/1991 | WO1990011703A3 Toothbrush with a head moved by a drive element with an electric motor |
| 01/10/1991 | DE4020029A1 Portable oral hygiene device with battery-powered motor - contains pump for ejection of liq. from container into nozzle adapted for insertion into user's mouth |
| 01/09/1991 | EP0406635A2 Dental cuspidor system |
| 01/09/1991 | CN2068824U 自动牙刷 Automatic Toothbrush |
| 01/08/1991 | CA1278711C Dental suction apparatus |
| 01/02/1991 | CN2068391U Vertically brushing electric toothbrush |
| 12/27/1990 | WO1990015581A1 Dental system |
| 12/27/1990 | WO1990015580A1 Ultrasonic device with additive chamber |
| 12/27/1990 | CA1278337C Liquidproof battery-powered appliance |
| 12/26/1990 | CN2067975U Electric toothbrush with time limit display |
| 12/26/1990 | CN2067974U Electric toothbrush |
| 12/26/1990 | CN2067973U Teeth-picking unit |
| 12/25/1990 | US4979899 Scaler for cleaning teeth |
| 12/25/1990 | US4979782 Process and apparatus for production of bristle products |
| 12/25/1990 | US4979504 Oral irrigator |
| 12/25/1990 | US4979503 For discharging a pulsating flow of a medicated treatment liquid |