| 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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| 01/08/1992 | EP0465285A2 Method and device for washing instruments |
| 01/08/1992 | CN2092306U Rotating toothbrush |
| 01/08/1992 | CN2092305U 电动牙刷 Electric Toothbrush |
| 01/07/1992 | US5078603 Filtering suction nozzle |
| 01/07/1992 | US5078602 Saliva ejector and method for cleaning the same |
| 01/07/1992 | US5077855 Motor-driven toothbrush |
| 01/02/1992 | DE3824838A1 Air-water cleaning jet control during dental treatment |
| 01/01/1992 | CN2091659U Teeth cleaner using pressurized water flow |
| 12/31/1991 | US5076787 Variable suction aspirator head with solids trap |
| 12/31/1991 | CA1293630C Method and device for producing the whitening of live teeth with pathological and normal colorations |
| 12/24/1991 | CA1293455C Separator for dental suction systems |
| 12/18/1991 | EP0269702B1 Electrical device for mouth care |
| 12/18/1991 | CN2090686U 电动牙刷 Electric Toothbrush |
| 12/17/1991 | US5072482 End Brush with male projection, apparatus and method for making same, and apparatus for use thereof |
| 12/17/1991 | US5072477 Structure of motorized toothbrush with serving period indication |
| 12/11/1991 | EP0460610A1 Motor-driven toothbrush |
| 12/11/1991 | CN2090244U Healthful toothbrush with lighting without need of toothpaste |
| 12/11/1991 | CN2090243U Household double channel type multiway hydraulic jetting device for cleaning teeth |
| 12/11/1991 | CN2090242U Flexible device for cleaning teeth and oral cavity |
| 12/10/1991 | US5071348 Brush and masseur for interproximal dental cleaning |
| 12/10/1991 | US5071347 Dental instrument for removing saliva |
| 12/10/1991 | US5070567 Electrically-driven brush |
| 12/06/1991 | CA2043666A1 Motor-driven toothbrush |
| 12/04/1991 | CN2089796U Multifunction electric light-spraying machine for dentist |
| 12/03/1991 | US5068939 Brush construction including movably-mounted bristles |
| 11/27/1991 | EP0457997A1 Dental syringe with disposable mouthpiece |
| 11/26/1991 | US5067899 Air-water dental syringe with protective barrier |
| 11/21/1991 | EP0457220A1 Suction devices |
| 11/21/1991 | DE4015578A1 Dental cleaning equipment with motor-driven rotary brush - reversible between movements over front and back surfaces of teeth by resetting switch |
| 11/20/1991 | CN2088856U Healthy toothbrush |
| 11/20/1991 | CN2088855U Toothbrush with spiral power spring |
| 11/19/1991 | US5066228 Saliva ejector |
| 11/06/1991 | EP0454672A1 Dental apparatus. |
| 11/06/1991 | EP0242358B1 Method of separation of a dental solid-liquid mixture |
| 11/05/1991 | WO1991017112A1 Irrigation system and method for delivering a selected one of multiple liquid solutions to a treatment site |
| 11/05/1991 | US5062797 Nickel-boron alloy, rotors, shafts, vibration generators |
| 11/05/1991 | US5062796 Dental handpiece |
| 11/05/1991 | US5062795 Therapeutically caring for the mouth and throat |
| 11/05/1991 | CA2082063A1 Irrigation system and method for delivering a selected one of multiple liquid solution to a treatment site |
| 10/30/1991 | EP0454188A2 Switching circuit in a dental handpiece |
| 10/30/1991 | EP0453493A1 Syringe for washing teeth root canals. |
| 10/30/1991 | CN2087500U Sway type automatic toothbrush |
| 10/29/1991 | US5061180 Dental instrument |
| 10/29/1991 | US5060825 Irrigation system and method for delivering a selected one of multiple liquid solutions to a treatment site |
| 10/24/1991 | WO1991016862A2 Dental tool having rotating and roto-reciprocating motions |
| 10/24/1991 | DE4012413A1 Electric toothbrush with pressure regulation - using sensor detecting deflection of drive motor axis relative to toothbrush housing |
| 10/24/1991 | DE4010616A1 Metering unit for dental suction instrument - has pipe protruding into vessel storing maintenance medium in powder form |
| 10/24/1991 | CA2081358A1 Dental tool having rotating and roto-reciprocating motions |
| 10/22/1991 | US5059122 Dental scaler |
| 10/17/1991 | WO1991015160A1 Disposable right angle dental handpiece |
| 10/17/1991 | DE4010615A1 Method of cleaning dentists equipment - involves injecting cleaning medium which dissolves material deposits in tubes |
| 10/10/1991 | DE4010617A1 Rinsing hoses, suction channels and hollow needles in dentistry - connecting suction hose(s) joining or pressed onto tap connector(s) for short time to draw wadding or liq. through system |
| 10/09/1991 | CN2086129U Medical tooth care toothbrush |
| 10/08/1991 | US5054149 Electric toothbrush |
| 10/02/1991 | EP0449655A1 Toothbrush |
| 10/02/1991 | EP0398976A4 Tooth cleaning device and method |
| 10/01/1991 | US5052411 Vacuum barrier attachment for medical equipment |
| 10/01/1991 | CA2038614A1 Disposable right angle dental handpiece |
| 09/26/1991 | DE4009438A1 Hand-held video instrument for dental surgeon - has probe with optical tip coupled to built-in miniature camera |
| 09/25/1991 | EP0447718A1 Suction swab |
| 09/25/1991 | CN2085227U Multifunctional electric healthy toothbrush |
| 09/18/1991 | CN2084805U 电动牙刷 Electric Toothbrush |
| 09/17/1991 | WO1991013570A1 Rotary toothbrush |
| 09/17/1991 | US5049071 Dental syringe tip and adaptor |
| 09/17/1991 | US5048731 Easy load--get it all dental prophylactic polishing paste container dispenser with integral ring like holding device |
| 09/10/1991 | US5046950 Apparatus and method for carrying out devitalizations and root canal treatments in teeth, and for sealing the treated teeth |
| 09/10/1991 | US5046486 Compact pulsing pump for irrigation handpiece |
| 09/10/1991 | CA1288555C Removable head mechanism for automatic cleaning device |
| 09/08/1991 | CA2011718A1 Speed brush |
| 09/04/1991 | EP0445091A1 Closing mechanism for the suction device of a dental care machine |
| 09/04/1991 | CN1054188A Electronic method and implement for cleaning teeth |
| 09/03/1991 | US5045055 Flow control valve assembly for syringes |
| 09/03/1991 | US5044953 Dental evacuator disinfectant and flush system |
| 09/03/1991 | US5044035 Dental cleaning device |
| 08/28/1991 | EP0443140A1 Vending-unit for brushes |
| 08/22/1991 | WO1991011981A1 Teeth cleaning toothbrush and system |
| 08/21/1991 | CN2083039U 电动旋转牙刷 Electric rotary toothbrush |
| 08/20/1991 | US5040978 Dental prophy angle |
| 08/20/1991 | US5040977 Self powered dental plaque-removing device |
| 08/14/1991 | EP0441410A1 Procedure to separate solid particles from liquid particles of a dental mixture |
| 08/14/1991 | CN2082605U Electric toothbrush with double handles |
| 08/10/1991 | WO1991011971A1 Oral hygiene device |
| 08/10/1991 | CA2051429A1 Oral hygiene device |
| 08/08/1991 | DE4003305A1 Electric toothbrush with rocking lever for rotation reversal - which occurs periodically as cord connected to lever ends changes direction of movement around brush axis |
| 08/06/1991 | US5037298 Apparatus and improved process for removing saliva while retracting cheeks and lips |
| 08/06/1991 | CA1287283C Dental apparatus |
| 07/31/1991 | EP0161292B1 Device for sensing mechanical contact or load/no-load conditions |
| 07/31/1991 | CN2081672U Water-spraying toothbrush |
| 07/30/1991 | US5035020 Rotary toothbrush |
| 07/25/1991 | DE4002199A1 Electro-mechanical oscillating tooth-brush - has cylindrical brush rotating about own axis and oscillating from side to side by drive in handle |
| 07/24/1991 | EP0437706A1 Pressurized medicant applicator for dental hygiene |
| 07/24/1991 | CN2081290U Health care toothbrush |
| 07/23/1991 | US5033150 Motor-driven toothbrush |
| 07/18/1991 | DE4001084A1 Mouth wash appts. with gear tooth pump - has pump driven by electric motor fitted with transformer |
| 07/16/1991 | US5032260 Eductor system for water ring vacuum pump |
| 07/10/1991 | EP0435912A1 Improvements in oral hygiene. |
| 07/10/1991 | CN2080387U Motor-driven toothbrush |
| 07/09/1991 | US5030090 Optical toothbrush and method of use |
| 07/09/1991 | US5029576 Method and apparatus for cleaning teeth and gums |
| 07/03/1991 | EP0435329A2 Tooth brush system |