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WO/1990/011730A1 |
A method for treatment of periodontal disease is disclosed. The gingival tissue is separated from the tooth surface in an area where periodontal disease is present. A biocompatible, porous material such as expanded polytetrafluoroethylen...
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WO/1990/009766A1 |
To produce a telescopic crown with a primary crown which can be secured on a tooth stump and a secondary crown which may be pushed over it, wherein the inner wall of the secondary crown is fitted with a retainer engaging by means of a cl...
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WO/1990/009151A1 |
There is provided means (20) for pressing into place, in the sub-gingival area, packing to separate a tooth and the soft tissue, or sulcus, in preparation for carrying out dental procedures. In a first embodiment, a mechanically driven p...
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WO/1990/008514A1 |
An anchoring pin (10) for retention of a dental restoration onto a tooth stub, the pin (10) including an upper retention portion (14) on which a restoration is to be formed, a lower anchoring threaded portion (18) self-threadable in a bo...
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WO/1990/007911A1 |
A mechanical syringe for successively washing with two different liquids teeth root canals comprises a reservoir for the washing liquid provided with a relevant piston manually operated, and connected through a two-way valve with a syrin...
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WO/1990/006733A1 |
Novel fitted prosthesis comprising a support (1) surmonted by a porcelain cap (2). The support (1) is made from a sprayed and partially molten material.
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WO/1990/005498A1 |
This invention provides a dental reamer tool designed for use with a conventional dental drill headpiece (150). The tool is capable of swiveling so that it follows the natural direction of a tooth canal because the reaming or cutting end...
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WO/1990/001907A1 |
A dental laser assembly (10) is disclosed for use in eradicating carious lesions in teeth, the treatment of sensitive teeth, as well as the removal of soft tissue. The laser assembly (10) includes a housing (12) having a cavity (34) in w...
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WO/1990/000373A1 |
A dental product and method utilizing a translucent construct as the post (10) or post-and-core (20) of a dental restoration. In normal tooth structure, the prismatic and refractive enamel carries light into the dentin and root, transill...
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WO/1989/012428A1 |
An apparatus for applying dental agents to tooth surfaces. The apparatus includes a syringe-type dispenser (12) for holding a quantity of dental agent and an applicator tip (14) having adjustable bristles (28) at one end. The applicator ...
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WO/1989/010726A1 |
A self-threading dental anchor (10) for insertion into a blind channel (52) of a tooth (54), the channel (52) having a tapered seat (66), the dental anchor (10) including an upper retention section (12) to provide retention of a superstr...
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WO/1989/010725A1 |
The invention provides a method for securing a veneer onto a tooth comprising removing enamel in a matrix pattern, to a predetermined depth, from the lingual or buccal surfaces removing the remaining outer enamel layer intermediate the m...
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WO/1989/010097A1 |
A measuring handle for treating dental root canals comprises a handle (1) in which an instrument (7) slides longitudinally. The guide hook (12) of the instrument engages in a helical screw (15) rotatably mounted in the handle and is guid...
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WO/1989/009592A1 |
Tight metallic dental prostheses with sharp edges are produced by covering ceramic models with pasty mixtures of paladium and gold and/or silver powder having an average particle size of between 0.5 and 1.5 micrometer and with a binding ...
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WO/1989/009573A1 |
A method of applying an anatomical occlusal surface configuration to a formable tooth-like member (20) includes the step of pressing a stamp (24) having a complimentary anatomical surface configuration onto the occlusal surface of the to...
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WO/1989/009574A1 |
There is provided a combination dental tool (40) for boring and grinding undercut bore holes in teeth. The tool (40) includes a boring end portion (42) tapering longitudinally endwardly to a minimum effective diameter at the tip and prov...
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WO/1989/009032A1 |
A unitary preassembled disposable intra-oral rubber dam device comprises an annular resilient frame member (2) such as a resilient plastic cord frame, and an elastic latex membrane (1), the perimeter of the membrane being secured (3) to ...
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WO/1989/009045A1 |
A composite material kit for dental fillings, comprises a base composite material, the three-dimensional colour value of which, expressed as hue, chroma and blackness/whiteness, so corresponds to that of an average selection of natural t...
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WO/1989/008432A1 |
An apparatus for removing dental enamel and dentin. This apparatus is also capable of cutting soft tissue. The apparatus includes a laser (10) which, when activated, produces a laser pulse (12) having a wavelength of between 2.0 and 3.0 ...
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WO/1989/004640A1 |
Nonforce-imparting or passive dental components and appliances are provided possessing not only greater stiffness and strength but also generally higher mechanical properties than those exhibited by the commonly used dental polymers. The...
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WO/1989/003199A1 |
An appliance (1) for isolating teeth during various dental procedures consists in one embodiment of two wing members (2) joined at their posterior ends by means of extension pieces (5) containing a tensioning mechanism (6, 7), the lower ...
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WO/1989/002358A1 |
The part (3) is made, in a non-polymerized form, by juxtaposition of a major volume (4) at least equal to 80 % of the total volume of the part (3) and of a complementary volume (5). First, the photopolymerization of the major volume (4) ...
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WO/1988/009645A1 |
A mixing container with injection devices for a plastic mass, in particular for dentistry applications and combined with a driving mechanism, has a mixing chamber (6) provided at one end with an injection inlet (4), a piston (7) displace...
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WO/1988/009769A1 |
This invention pertains to the formation of a new solid material composed of calcium phosphates and to the reaction method for producing this material. The solid calcium phosphate material is created by chemically reacting calcium ion so...
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WO/1988/009153A1 |
A single-use application syringe for dental materials comprises a thin syringe body made of plastic which contains a cylinder cavity (2) and a piston (7), the ratio of the effective stroke of the piston to its diameter being at least app...
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WO/1988/006429A1 |
To produce moulds for the production of replacement tooth parts (20), a model (1) of the replacement tooth part (20) is coated with a first layer (2) of an electroconductive material, and provided with a vertically projecting separating ...
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WO/1988/005289A1 |
A dental pin system including an elongated pin (10) having a plurality of pin sections (20, 20a, 20b) each of which can be sheared from the next adjacent section by means of a reduced diameter frangible throat portion (22, 22a, 22b). The...
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WO/1988/000030A1 |
Method and apparatus for saving an exarticulated tooth. The tooth is grasped by its crown, so as not to harm the periodontal membrane. The tooth is then placed in a net (27) which is attached to a basket (25). The net and basket are imme...
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WO/1987/006451A1 |
An arrangement is used for the efficient mass production of individual bodies for the artificial rebuilding of teeth, for example. The arrangement comprises a first pair of co-rotating elements, of which the first element (1) is so arran...
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WO/1987/005488A1 |
Method for preparing a pattern for tooth profile which makes grinding of an inlay cast article extremely easier; including a step of forming a through-hole from the masticating surface of a plaster cast to the rear side thereof, a step o...
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WO/1987/001929A1 |
Application syringe for a dental substance (13) with a syringe body (1) running in a thin applicator tube (3) and a movable piston (5) therein, which is intended as a throw away item. To avoid the need for special actuators and yet ensur...
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WO/1987/000029A1 |
A pressure-responsive syringe (10) having electrodes (18) attached to an external electrical power supply (24). The electrodes (18) supply a low potential voltage of about 3 to 9 volts to an endogenously heatable composition (36) contain...
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WO/1987/000028A1 |
Apparatus for the measurement and analysis of tooth-jaw structures comprising a source of illumination (6) an optodetector (8) and an integral linear displacement transducer (9). The source of illumination is used to transilluminate toot...
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WO/1986/006957A1 |
Method, composition and structure for tooth restorations comprising a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.
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WO/1986/007069A1 |
Method and composition for repair of bumpers and like auto body components formed of synthetic organic polymers, by the use of a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue ...
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WO/1986/006614A1 |
A processing device (1) for local irradiation with visible and non-visible light, as is essentially used as a processing device in dentistry for the hardening of dental fillings. To enable freedom of use the device (1) is equipped prefer...
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WO/1986/005967A1 |
A broaching tool has a needle-shaped working portion (2) and a shank portion which is shaped for attachment in the distal end (18) of a drive bar (12) of a drive instrument for the tool. The shank portion of the tool has at least one ben...
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WO/1986/005677A1 |
A dental restorative material in which a tin-plating layer containing polymer particles is formed on the adherent of a metallic cast article. This material is obtained by causing electrodeposition of the adherend of a metallic cast artic...
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WO/1986/005381A1 |
The ring for provisional or definitive dental crowns is comprised of two half shells (1, 2) obtained by moulding and carrying clamps (3, 4; 5, 6) and made integral by pairs by gluing, welding or any other joining means capable of providi...
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WO/1986/005085A1 |
The present invention relates to the setting in place and the fixing by gluing of parts. The part intended to be made integral on a support, for example a prosthesis particularly a dental prosthesis (3) comprises an opaque region (7) ass...
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WO/1986/001995A1 |
A device to mechanically decompose a barrier which separates two or more mutually miscible ingredients and to mix the said ingredients, preferably a mixer for amalgam in capsules. The device (1) comprises first members to fixedly hold th...
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WO/1986/001094A1 |
A power unit, in particular for dental instruments, comprises a housing (2) which, at one end, has means for supplying electric current and at least one fluid, and, at the other end, has a connector branch or stub for removably mounting ...
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WO/1986/000517A1 |
An article for treatment of periodontal disease. In use, the gingival tissue is separated from a tooth surface in an area where periodontal disease is present. A biocompatible, porous material (22) capable of supporting ingrowth of gingi...
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WO/1986/000518A1 |
Anchoring device for dental prosthesis applicable both to the reconstitution of a deteriorated tooth and to support artificial teeth. Said device comprises T-shaped elements (1)-(7) of which the bracket (3) is flattened and pierced with ...
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WO/1986/000218A1 |
Dental crowns and bridges (1) which are capable of being welded in the mouth, and are based on a high titanium concentration alloy, showing a structure consisting of a cast or pre-pressed central cap or crown (1), imitating the shape of ...
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WO/1986/000213A1 |
A piece of photographic film (2), bondable to the tooth (4) of an individual, carries a developed photographic image of indicia for identifying the individual. To manufacture the device, the indicia is initially printed on a sheet, and t...
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WO/1985/001433A1 |
The core form comprises a disposal and transparent plastic matrix or mould, open at the top and base, and tapering upwards from the base. The taper has a gradient of one to ten. Some will have corrugations running vertically, thereby inc...
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WO/1985/001434A1 |
The sheet-like dental die, with the anatomical characteristics of the profile of a certain type of tooth, made of a material permeable to light and to UV rays and which does not bind to hardenable filling synthetic materials by radiation...
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WO/1985/000282A1 |
Proc�d� et syst�me d'opturation de canaux radiculaires. Le syst�me comprend des pointes de remplissage compos�es d'un mat�riau thermoplastique et comprenant un �l�ment chauffant interne align� axialement. En ins�rant ...
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WO/1984/001100A1 |
An improved dental matrix band (10) having a central tooth circumscribing portion (18) extending between cervical and occlusal edges (12, 14) and merging with a pair of arms (16) adapted for engagement by a retainer appliance (38) and to...
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