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WO/1999/020199A1 |
A system for treating teeth and associated tooth structure using a pressurized air propellant mixed with abrasive material includes a manifold which defines air passages leading from the pressurized air source to dispensing chambers whic...
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WO/1999/016136A1 |
An optical irradiation device incorporating a cluster of LEDs (11, 43) arranged so that shaped facets of adjacent LEDs come together to increase the packing density of LEDs in the cluster. A light guide (41) collects light emitted by the...
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WO/1999/008617A1 |
The invention relates to a medical or dental instrument (1) which has a handpiece (2) whose front end is fastened to a tool (5) by means of a detachable holding device (4). The tool consists of a tool shaft (5a) and a working body (5b) a...
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WO/1999/002101A1 |
The subject invention pertains to unique dental curettes made with powder injection molded compounds. These curettes have excellent properties including uniformity and precision. The curettes can be readily prepared in a variety of diffe...
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WO1999002303A1 |
A dental curet and sharpening machine system has been developed for convenient, accurate, and rapid sharpening of dental curets. Curets comprising a cutting blade, shank, and handle have been designed so that, regardless of the instrumen...
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WO/1998/058771A1 |
A fine abrasive grain-containing buffing material formed of polyvinyl acetal sponge as a main component, and having a compressive elastic modulus of not more than 2000 kg/cm?2¿, wherein fine abrasive grains are fixed to a buffing materi...
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WO/1998/057593A1 |
A dental tool assembly (10) having a driving mechanism (28) with inter-engaging cam surfaces (50, 60) shaped for continuous contact during use. The mechanism (28) includes a drive shaft (30) having a drive surface (50), and a driven shaf...
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WO/1998/053954A1 |
An apparatus for dispensing a pressurized stream of gas having particles suspended therein, is described. A double acting pinch valve suitable for use in the apparatus is also described. The apparatus finds particular utility in the dent...
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WO/1998/044868A1 |
The invention relates to a diagnostic apparatus with which diseased hard tissue, in particular carious dental tissue, can be examined through a small working channel, to see whether it can be made healthy again by remineralization. This ...
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WO/1998/045225A1 |
The working surfaces (3) of dental and surgical instruments (1) are coated with a ceramic material formed by plasma spraying of a composition including a cemented carbide matrix and a ceramic dispersion to form a hardened surface with im...
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WO/1998/041164A1 |
The invention relates to a dental instrument for removing carious dentine in connection with chemical-mechanical treatment of caries by means of a caries-dissolving solution (preparation) applied to the caries for loosening the carious t...
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WO/1998/029053A1 |
The invention relates to a dental instrument for removing carious dentine in connection with chemical-mechanical treatment of caries by means of a caries-dissolving solution applied to the caries for loosening the carious tissue. The ins...
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WO/1998/025536A1 |
An ultrasonic dental tool for use with an ultrasonic transducer comprises a substantially elongate tool defined by a shaft having a proximal end with a connector for attachment to an ultrasonic transducer, a distal end having a tip confi...
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WO/1998/020804A1 |
The invention concerns an instrument for the medical or dental treatment of children, said instrument comprising a treatment part (2) on which is provided an adjoining extension part which, at its free end, remote from the treatment part...
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WO/1998/016855A1 |
A hand held laser device is disclosed including a hand piece (350) coupled to a source of laser energy by an optical fiber cable (130). A bias tensile stress is exerted on the fiber (110) when the fiber (110) and outer sheating or tube (...
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WO/1998/016168A1 |
A method and apparatus for setting and removing a cemented, retrievable prosthodontic appliance by means of a levering instrument (21) applied to the gap between two substantially parallel surfaces (19, 20), the first surface being a fla...
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WO/1998/014132A1 |
The invention concerns a device for the confocal measuring of surfaces inside cavities of the body, specially to measure the surface profile (1) of teeth (2) in the mouth cavity. Said device has a probe (3) that can be introduced into th...
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WO/1998/012981A1 |
In a tooth cleaning system having a flexible protective shield, and a nozzle having an end portion extending into the shield. The shield is connected to a source of vacuum and has an inner wall having an inner wall perimeter. The nozzle ...
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WO/1998/012980A1 |
An ultrasonic dental tooth treatment system including an ultrasonic dental handpiece, a fluid reservoir housing and a power control housing. The reservoir housing is supported by the control housing. The reservoir housing encloses two co...
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WO/1998/007381A1 |
This invention is a method and tool for fracturing the interface between dental structures that have been cemented together. The method is accomplished by positioning a rapid impacting tool (21) at about 90 degrees against the one side o...
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WO/1998/006337A1 |
An intraosseous and/or hard tissue drug delivery device and method is disclosed that perforates hard tissue and provides a drug delivery passage into underlying tissue. The device of the present invention includes a hollow drill bit and ...
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WO/1997/049349A1 |
Dental pliers have a head (4) with a recess (12) for receiving a thermoplastic material. Thanks to the thermoplastic material, the pliers may be adapted to any individual tooth shape and size. Dental technique constructions are not damag...
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WO/1997/039696A1 |
An endotontic instrument (100) is provided for use in performing root canal procedures and comprises an elongate working portion (106) and a chisel tip portion (150). The chisel tip (150) has plural facets which form a chisel edge (154) ...
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WO/1997/038644A1 |
A substantially disposable dental tip incorporated in an ultrasonic scaler, and a dental tip jig used for the dental tip. The dental tip comprises a transmission medium connected at its root to an ultrasonic vibration source for transmit...
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WO/1997/027819A1 |
The invention provides a transducer activated subgingival tool for contacting subgingival tooth surfaces and directing a fluid adjacent to said surfaces, wherein the tool has an activated tip having a fluid inlet end, a subgingival outle...
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WO/1997/026830A1 |
A method and apparatus is disclosed for fast, efficient, precise and damage-free biological tissue removal using an ultrashort pulse duration laser system (10) operating at high pulse repetition rates. The duration of each laser pulse is...
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WO/1997/021392A1 |
An improved endodontic dental instrument is provided for extirpating and/or obturating a root canal. The instrument has two or more flutes defining tissue removing edges wherein the flutes are formed unequal in size, shape and/or spacing...
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WO/1997/019648A1 |
This invention is an ultrasonic tooth cleaner (10) having an elongated tip (16) having multiple bends or a curved shape. This allows the operator to reach any surface within the oral cavity. The tips (16) are formed of plastic materials ...
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WO/1997/019755A1 |
A removable nozzle head (1) for a miniature sandblaster used for medical or industrial applications is disclosed comprising a nozzle (2), a handpiece nozzle adapter (3), a nozzle locking ring (4) where the nozzle (2) and nozzle handpiece...
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WO/1997/017036A1 |
A tool drivable by a sonic or ultrasonic dental holder for working on dental cavities, in which a working head (1, 21, 41, 51) is secured or can be releasably secured to an adapter shaft (2, 22, 42, 52), the working surfaces of which fac...
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WO/1997/014373A1 |
An ultrasonic dental tip that is hardened by a novel process that includes roughing the tip and then applying a metal nitride coating, such as titanium nitride (Ti-N) or zirconium nitride (Zr-N). The roughing is preferably accomplished b...
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WO/1997/011652A1 |
A burr comprises a shaft (7) and a conical head (8). The circumferential surface of the head of the burr is of a material-removing design merely within a circumferentially limited area (9). The sum of the angle which is occupied by the c...
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WO/1997/010768A2 |
This invention is an apparatus and method for vaporizing any one of hard tissue and deposits (36) on hard tissue (52). A scanner (22) substantially continuously scans a target area and directs a pulsed laser (20) beam during the scanning...
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WO/1997/009002A1 |
A dental prophylactic cup (100) comprises a flexible body having a cavity (122) formed therein. A rear end of the cavity includes a paste reservoir (126) for storing an abrasive paste. Paste delivery channels extend forwardly from the re...
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WO/1997/007928A2 |
An electromagnetically induced cutting mechanism which can provide accurate cutting operations on both hard and soft materials is disclosed. The electromagnetically induced cutter is capable of providing extremely fine and smooth incisio...
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WO/1997/006924A1 |
A self-contained device (10) is disclosed for directing a fluid stream containing particulate matter against a surface (T) to abrade, etch, erase, cut, smooth, clean, polish, and harden the surface (T). In the preferred embodiments of th...
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WO/1997/004715A1 |
A percussive dental extractor (10) includes a body (12) having a longitudinal chamber (26), a hook member (22) attached to the distal end, and an anvil (40) mounted in the chamber. A piston (38) is reciprocally mounted in the chamber for...
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WO/1996/036295A1 |
To allow treatment of inaccessible areas of the teeth, in particular the interdental areas, a dental instrument is proposed with a chucking section (1) for mounting the instrument in a holding device, and with a treatment section (5) for...
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WO/1996/035389A1 |
A pressurized feeder vessel (12) feeds powdered material (18) into a stream of propellant gas. The feeder vessel includes a funnel-shaped hopper (50) that is resiliently suspended by an elastic member (52) inside the vessel. A vibrator s...
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WO/1996/035390A1 |
This invention is a method and apparatus for an air abrasive unit such as those used in the dental field. This method and apparatus utilizes an internal vibrator motor (32) with vibration transmitters (33) which transmit the vibration th...
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WO/1996/034574A1 |
A prophylactic dental apparatus is designed to minimize splatter from rotation of a rotating resilient element (11b) with a diverter (14) which substantially surrounds at least a portion of the resilient element while affording full visi...
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WO/1996/026303A1 |
The object of the invention is the process of obtainment of CVD diamond burrs, mills and files of odontological and related uses, for boring, abrading and machining teeth, glass, ceramics, metals, etc. The patent includes any CVD diamond...
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WO/1996/025979A1 |
The devices, comprising two or three pulse lasers (3, 4, 20), are provided with a system for the automated optimisation of the parameters pertaining to the radiation of the two lasers and to the type and method of treatment applied to ea...
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WO/1996/023450A1 |
A dental burr (10) is provided, whose use is specifically intended for the preparation of a tooth on which will be subsequently placed a crown, inlay, onlay, or other dental prosthetic. For any crown, inlay, onlay, or other bridge prosth...
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WO/1996/014024A1 |
A system for removing a lesion on a tooth (71) consists of an oscillating tool for abrading a cavity (K) in the tooth (71), a filling material for filling out the cavity (K), an inlay (91, 91A) that can be inserted into the cavity (K) an...
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WO/1996/012447A1 |
A suction attachment (10) for use with an air-driven abrasive polisher (14) to contain an area to be polished and to provide removal of the abrasive powder residue to prevent airbone contamination. A suction attachment body (22) is fixed...
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WO/1996/009799A1 |
An apparatus providing pulsed emission of a laser beam (6) and comprising a laser rod (1), devices (2, 3) providing pulsed excitation of the laser rod (1) so that said rod delivers light radiation, a resonator (4, 5) placed on either sid...
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WO/1996/006521A2 |
The invention pertains to a dental instrument used to fill a tooth cavity with light-curing materials and then cure this filling material by light, the instrument being easy to handle, working with precision unproblematically. The dental...
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WO/1996/004863A1 |
A pneumatic remover assembly having a central housing (3) with a reciprocating internal mass (11) and a spring (13), a first end unit (17) having a spool-type valve (19) for activating the remover, a second end unit (29) having various c...
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WO/1996/002207A1 |
A system of treating teeth or associated tooth structure by the use of abrasive laden fluid stream provides fluid (101) at high pressure to a manifold (103) with selectively operable valves (300), delivers the fluid at a selected pressur...
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