Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 6494714 | Method of making a tool tip and tool tip The invention provides a method of making a transducer activated tool tip, comprising, providing a substantially linear tip body having a fluid inlet end and a fluid outlet end. The tip body has an inlet end and a subgingival outlet end. The tip body is b... | 12/17/2002 |
| 6139322 | Denture A denture includes a tooth and denture base. The tooth includes an interpenetrating polymer network polymeric matrix and at least 0.1 percent by weight of self-lubricating particles having a particle size less than 500 microns effectively bonded to and di... | 10/31/2000 |
| 6093084 | Device and method for dispensing polymerizable compositions An abrasive or polishing device for dispensing and applying primers, cavity liners, varnishes, therapeutic agents, and/or adhesives into or onto tooth structure or within a cavity in a patient's tooth. The primers, liners, varnishes, or adhesives may cont... | 07/25/2000 |
| 6030212 | Stacking reservoir and scaler system A stacking system includes a reservoir housing, a base housing and a handpiece. The reservoir housing supports a readily removable container. The reservoir housing has feet and a pivotable cover, which in closed position encloses two containers which are ... | 02/29/2000 |
| 5981620 | Dental compounds, compositions, products and methods The invention provides polymerizable dental, compounds, compositions, including the compounds and products for mixing the compositions and methods of using the compositions. Aryl acid compounds are provided in accordance with the invention. The compositio... | 11/09/1999 |
| 5908299 | Prosthetic teeth and mold making therefor A prosthetic tooth having an enamel layer which has a zone of substantially constant thickness. This tooth is molded using a dental tooth mold part prepared by imaging a dental pattern of a prosthetic tooth shade layer and/or shader mold part outer surfac... | 06/01/1999 |
| 5800166 | Spacer block for a dental articulator A dental articulator structure for use in registration of a pair of casts of a dental model which are positioned in an opposing and spaced relationship. The articulator structure includes at least one axially rigid support member having opposing ends from... | 09/01/1998 |
| 5766007 | Vertically rigid dental articulator system and method A dental articulator structure for use in registration of a pair of casts of a dental model which are positioned in an opposing and spaced relationship. The articulator structure includes at least one axially rigid support member having opposing ends from... | 06/16/1998 |
| 5756559 | Method and composition for adhering to tooth structure A composition and method of treating a dental tooth surface and adhering a restorative material to the treated dental tooth surface is provided. A liquid composition is applied to at least the portion of the tooth to form a treated surface. The compositio... | 05/26/1998 |
| 5754016 | Method of continuous control of tip vibration in a dental scalar system The invention provides a method of operating a dental scalar system having a vibrating scaling tip by continuously monitoring the amplitude and frequency of vibration of the tip which provides scaling power to a tooth in a patient's mouth. The amplitude a... | 05/19/1998 |
| 5749727 | Transducer activated subgingival tool tip 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 outlet end, a step in the surface of the outer... | 05/12/1998 |
| 5718585 | Prosthetic teeth and mold making therefor A prosthetic tooth having an enamel layer which has a zone of substantially constant thickness. This tooth is molded using a dental tooth mold part prepared by imaging a dental pattern of a prosthetic tooth shade layer and/or shader mold part outer surfac... | 02/17/1998 |
| 5716210 | Disposable filter for dental handpiece A filter is provided for a dental device of the type including a hand-held working portion which utilizes air and water and a utility supply portion which supplies air and water to the hand-held working portion through respective air and water conduits th... | 02/10/1998 |
| 5710194 | Dental compounds, compositions, products and methods The invention provides polymerizable dental, compounds, compositions, including the compounds and products for mixing the compositions and methods of using the compositions. Aryl acid compounds are provided in accordance with the invention. The compositio... | 01/20/1998 |
| 5708696 | Positioning device for an X-ray machine A device (10) for positioning the location of an emitted x-ray (1 2a) has an optical mirror (20) having at least two leg portions (31, 32) separated by stepped portion (30) formed therewith. Leg portions (31, 32) and stepped portion (30) have substantiall... | 01/13/1998 |
| 5691905 | Prosthetic teeth and mold making and polishing therefor A method of milling and polishing a set of tooth mold parts by milling a first and second tooth mold parts of a set of mold parts using a first and second tool path program, then polishing the mold parts using the first and second tool path program, to fo... | 11/25/1997 |
| 5661222 | Polyvinylsiloxane impression material Improved two component polymerizable polyorganosiloxane compositions are described, particularly for use in making dental impressions, having improved tear strength and wettability. Improved tear strength results from inclusion of a quadri-functional poly... | 08/26/1997 |
| 5645429 | Method for adhering to tooth structure A method is provided for clinical retention of restorative material by a natural tooth. A first portion of photopolymerizable liquid primer/adhesive dental composition is applied to a tooth surface. After leaving the first portion of the liquid compositio... | 07/08/1997 |
| 5645426 | Dental prophy angle A prophy angle having a single improved snap-in mounting shaft having an enlarged snap-through outer boss portion that is discontinuous in circumference for retaining the prophy cup rotor in permanent position and isolating the rotor from frictionally eng... | 07/08/1997 |
| 5571013 | Integral bur tube and bearing assembly A dental handpiece includes a head, a tubular chuck having an open-end axial bore for receiving the shank of a dental bur and a tubular bur tube having an outer surface and an axial bore therethrough for receiving the chuck therein. The bur tube has at le... | 11/05/1996 |
| 5567153 | Transducer activated tool tip A transducer activated tool for contacting workpiece surfaces and directing fluid adjacent to the surfaces is disclosed. The tool may be ultrasonically activated by attachment to an insert that includes a magnetostrictive element. The tip includes distal ... | 10/22/1996 |
| 5554665 | Method and dispenser for making dental products A method of forming dental products, such as dentures, denture relines, dental crowns, dental bridges and dental restorative materials, temporary crown, temporary bridge, provisional crown or provisional bridge, from two polymerizable paste compositions e... | 09/10/1996 |
| 5554028 | Dental impression taking A method of preparing an impression of dentition in the oral cavity is provided that overcomes a problem of transfer of inhibitors left by latex gloves that interfere with platinum catalyzed hydrosilation reactions. The method involves applying a surfacta... | 09/10/1996 |
| 5531597 | Transducer activated tool tip A transducer activated tool for contacting workpiece surfaces and directing fluid adjacent to said surfaces is disclosed. The tool may be ultrasonically activated by attachment to an insert that includes a magnetostrictive element. The tip includes distal... | 07/02/1996 |
| 5502087 | Dental composition, prosthesis, and method for making dental prosthesis A dental prosthesis includes polymeric material formed by heat curing a polymerizable composition having at least 5 percent by weight of at least one polymerizable Monomer having at least one acrylic moiety and a gram molecular weight of at least 200. The... | 03/26/1996 |
| 5482732 | Dental porcelain shading method The invention provides a method for the preparation of porcelain dental restorations. First, second and third powders are provided in labeled containers. The first powder has a lightness value (L1) when formed into a least porcelain layer. The ... | 01/09/1996 |
| 5477054 | Denture curing apparatus and method An apparatus and method for curing light curable material using unfiltered light. A vented housing encloses a single lamp filament light source which emits visible light. The light source is positioned above and to the side of the light curable material w... | 12/19/1995 |
| 5452219 | Method of making a tooth mold A method for the making of a tooth mold which includes the steps of scanning the surface of a model of a tooth to obtain data on the three-dimensional surface locations of the model, processing the data in a CAD/CAM computer, and using the processed data ... | 09/19/1995 |
| 5419703 | Method of subgingival scaling and lavage An insert for use in an apparatus for scaling of teeth and lavage of the gingival sulcus is provided. The insert comprises a tip for scaling and delivery of lavage fluids, retaining means for retaining the scaling tip in the insert, and a path means for d... | 05/30/1995 |
| 5395240 | Sterilizable dental medical handpiece containing electric coil An ultrasonic handpiece wherein the entire assembled handpiece may be sterilized with an ingress of the sterilizing fluid into the interior of the handpiece. The handpiece is formed with an elongated housing sleeve and a coil unit for establishing an alte... | 03/07/1995 |
| 5387105 | Dental image formation and organosiloxane Disclosed in the present application is a method of curing a dental impression material by passing actinic light through a tray while the tray is in contact with the impression making composition, a new dental impression composition that is polymerizable ... | 02/07/1995 |
| 5369916 | Polishing element The invention relates to a polishing element for use in a system and apparatus and a method for finishing and polishing a dental composite restorative material in a tooth. The system of the invention uses an elastomeric polymer disc which is impregnated w... | 12/06/1994 |
| 5368480 | Dental implant wrench A low profile dental torque ratchet system is provided having a disposable breakaway color coded insert for holding a tool to be driven by a torsional ratchet wrench. Incorporated within the ratchet wrench is a driver that drives the tool until a preset t... | 11/29/1994 |
| 5367002 | Dental composition and method The invention provides dental composite compositions formed by mixing a curable liquid composition with a powder in preselected proportions. The composite compositions formed are useful as cement, liner, base, restorative, pit and fissure sealants, and/or... | 11/22/1994 |
| 5338773 | Dental composition and method The invention provides dental cement compositions and methods of using them for binding hard tooth material, metal and ceramic. The cement compositions include polymerizable acid reactive ethylenically unsaturated monomers, and a source of cations reactiv... | 08/16/1994 |
| 5316473 | Light curing apparatus and method A light-curing apparatus for curing polymerizable material in the mouth is provided. In one embodiment the apparatus comprises a wand which is substantially the same size as a quadrant or a full dental arch; in a second embodiment, the apparatus is in the... | 05/31/1994 |
| 5304586 | Radiopaque fluoride releasing VLC dental composites and the use of specific fillers therein One component, visible light-cured dental restorative compositions having fluoride release properties for the purpose of reducing the chances of secondary caries are provided. The compositions include inorganic particulate fluoride leachable glass.... | 04/19/1994 |
| 5298758 | Denture curing apparatus and method An apparatus and method for curing light curable material using unfiltered light. A vented housing encloses a single lamp filament light source which emits visible light. The light source is positioned above and to the side of the light curable material w... | 03/29/1994 |
| 5210109 | Interpenetrating polymer network compositions employing rubber-modified polymers This invention provides hardenable compositions useful as construction media for a wide range of applications. Particular utility is found in the dental and medical arts where such compositions are highly suitable for the formation and construction of den... | 05/11/1993 |
| 5177120 | Chain extended urethane diacrylate and dental impression formation Disclosed is a new urethane polyacrylate having at least one terminal isocyanato acrylic pendent radical. Preferably the molecular chain within the acrylate caps has been extended with a polyhydroxy compound just before final end capping with isocyanato a... | 01/05/1993 |
