| DENTSPLY INTERNATIONAL INC. Patent applications |
| Patent application number | Title | Published |
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| 20120129973 | HIGH STRENGTH DENTAL MATERIAL - The invention provides a high strength dental composition including polymerizable dental resins. The dental composition is useful as restorative material and for making various dental devices, such as artificial teeth, crowns and bridges of high strength dental polymeric material. | 05-24-2012 |
| 20120115982 | TEMPORARY ROOT CANAL SEALER DISPERSION - A temporary root canal sealer dispersion having a pH of at least 9 and comprising: (i) an aqueous dispersion medium comprising an oligomer and/or polymer having Lewis basic groups, and optionally a hydroxide of an alkali metal and/or a hydroxide of an alkaline earth metal, and (ii) a dispersed phase comprising a radio-opaque filler, wherein the weight ratio of oligomer and/or polymer having Lewis basic groups to hydroxide of an alkali metal and/or hydroxide of an alkaline earth metal is at least 0.5 when said aqueous dispersion medium comprises a hydroxide of an alkali metal and/or a hydroxide of an alkaline earth metal. | 05-10-2012 |
| 20120115973 | Radical Polymerization Inhibitors for Light-Curable Dental Materials - The invention relates to light-curable dental materials comprising at least one polymerizable compound having at least one ethylenically unsaturated bond and a hexaarylbisimidazole, e.g. as a photopolymerization initiator. The invention also relates to the use of a hexaarylbisimidazole polymerization initiator in light curable dental materials and also to cured dental materials obtainable by light-curing the light-curable dental materials of the invention. | 05-10-2012 |
| 20120111227 | Integrated Porcelain System for a Dental Prosthesis - An integrated dental porcelain system for making dental prostheses and restorations is provided. The system includes three universal major components: a) opaque porcelain composition; b) pressable dentin ingot; and c) veneering porcelain composition that can be used interchangeably for making restorations. Techniques for making the prostheses and restorations include porcelain fused-to-metal (PFM), press-to-metal (PTM), and either pressed and/or machined all-ceramic methods. The system uses both a hand-layering of veneering porcelain (PFM technique) and a hot-pressing process (PTM and all-ceramic technique) to fabricate the prostheses and restorations. | 05-10-2012 |
| 20120108837 | RADICAL POLYMERIZABLE MACROCYCLIC RESIN COMPOSITIONS WITH LOW POLYMERIZATION STRESS - A composition of macrocyclic oligomer with at least one (meth)acrylate polymerizable group. A method includes preparing an activated precursor of an oligomer at pseudo high-dilution conditions. A method also includes preparing an activated precursor of an oligomer by reacting the precursor with an activated coupling agent, wherein the precursor is condensable and polymerizable. | 05-03-2012 |
| 20120107769 | DENTAL PROPHYLAXIS ANGLE AND HANDPIECE ASSEMBLY - A dental prophylaxis angle and handpiece assembly for cleaning and polishing teeth is provided. The dental prophylaxis angle is removably attached to the dental handpiece by an interlocking mechanism that includes extension locking tabs, a locking annular member, and an interlocking drive member in the handpiece. The prophy angle is securely snap-fitted onto the handpiece and locked in place so that it has minimal lateral movement. After the prophy angle has been used to treat a patient, it can be removed easily from the handpiece and disposed thereof. | 05-03-2012 |
| 20120107766 | ENDODONTIC SYSTEM AND METHOD - The present invention provides a system for the endodontic treatment of a root canal, comprising
| 05-03-2012 |
| 20120040303 | NOTCHED PONTIC AND SYSTEM FOR FABRICATING DENTAL APPLIANCE FORUSE THEREWITH - A pontic having a prefabricated notch, channel or slot to physically engage and ensure a secure mechanical lock with the dental appliance. The invention also pertains to a method of fabricating a dental appliance and a kit for facilitating the same. The invention has particular application to thermoformed, removable appliances. | 02-16-2012 |
| 20120005296 | METHOD OF SELECTIVELY PAIRING WIRELESS CONTROLLER TO MULTIPLE DENTAL/MEDICAL INSTRUMENTS - In a dental operatory system a master device coordinates the activity levels of multiple slave devices. The master device coordinates activity via a communication link with all slave devices. A communication protocol incorporates a closed system addresses scheme in which the master device learns all associated addresses of slave devices, and all slave devices learn all associated addresses of the master device. Each communication between master device and any slave device includes both the master device address and the slave device address. The master device scans all slave devices for an activity status and determines which slave device exhibits a threshold level of activity, and whether activity is increasing or decreasing. The master device passes a communication control token to the slave device to be controlled by operation of the master device. | 01-05-2012 |
| 20110315928 | LOW STRESS FLOWABLE DENTAL COMPOSITION - Disclosed herein are low viscosity and low stress dental compositions comprising at least one low stress polymerizable resin and at least one filler. The dental compositions described herein have high depth of cure and self-leveling characteristics and are capable of bulk application. | 12-29-2011 |
| 20110306010 | DENTAL DEVICE ADAPTER SYSTEM, DENTAL HYGIENE SYSTEM, AND METHOD OF OPERATING A DENTAL HYGIENE SYSTEM - Provided is a dental handpiece adapter connection system, dental handpiece adapter connection method, and a dental handpiece adapter. The dental handpiece adapter includes a first portion configured to engage a dental device having a first geometry and a second portion configured to engage a dental handpiece having a second geometry. The first portion being engaged with the adapter and the second portion being engaged with the adapter permits the dental handpiece to rotate a rotatable portion of the dental device. | 12-15-2011 |
| 20110275327 | CIRCUIT BOARD FOR CONTROLLING WIRELESS DENTAL HANDPIECE - A system, method, and apparatus including a printed circuit board for wireless communication between the various components and devices used in a wireless dental device. The printed circuit board includes a substrate for mounting of a plurality of electronic components. The electronic components include a programmable controller; a radio frequency transceiver; an accelerometer; a wake-up device for generating a wake-up signal to the controller; and a 2.45 GHz antenna communicatively coupled with the RF transceiver. The electronic components are in electronic communication through printed circuit traces on the substrate and configured to communicate with at least one remote wireless controller. The PCB is configured to be mounted within a housing module of the hand-held dental hand piece. | 11-10-2011 |
| 20110275035 | DENTAL COMPOSITIONS - A self-etching and self-adhesive dental restorative composition is described herein. The composition includes a polymerizable compound having at least one phosphorus containing acidic group, a polymerizable compound having at least one carboxylic acid group, and a copolymerizable multi-functional (meth)acrylate monomers. Compositions described herein demonstrate adhesion to dentin and enamel and are useful as a cavity filler, dental pit and fissure sealants, and restoratives. | 11-10-2011 |
| 20110275027 | SYSTEM INCLUDING A WIRELESS DENTAL INSTRUMENT AND UNIVERSAL WIRELESS FOOT CONTROLLER - A wireless, remote foot controller and a wireless instrument in direct communication with one another and method of operation. The remote foot controller can determine the wireless instrument in the hand of the dental professional and can determine whether the instrument is operational in an continuously variable mode or whether the instrument is operational at discrete speeds. The remote foot controller can then respond to activation by a user to provide a predetermined signal that drives the handheld unit with the appropriate signal. The remote foot controller is activated by application of pressure to the foot controller that provides tactile, sensory feedback to the user. The foot controller includes a circuit board, antenna and battery so that it is wireless. The circuit board includes communications protocol to permit the foot controller to communicate with several dental instruments. Although the foot controller is capable of controlling multiple dental instruments, it only controls one dental instrument at a time, usually the most recent device in the hands of the dental professional. | 11-10-2011 |
| 20110275025 | CIRCUIT BOARD FOR CONTROLLING WIRELESS DENTAL FOOT PEDAL - A system, method, and apparatus including a printed circuit board with electronic circuit components mounted thereon and configured for wireless communication between the various components and devices used in a wireless dental device. | 11-10-2011 |
| 20110271529 | ENDODONTIC ROTARY INSTRUMENTS MADE OF SHAPE MEMORY ALLOYS IN THEIR MARTENSITIC STATE AND MANUFACTURING METHODS - A method for manufacturing a non-superelastic rotary file comprising the steps of: providing a superelastic rotary file having an austenite finish temperature; and heating the superelastic rotary file to a temperature of at least about 300° C. for a time period of at least about 5 minutes to alter the austenite finish temperature thereby forming the non-superelastic rotary file; wherein the altered austenite finish temperature of the non-superelastic rotary file is greater than about 25° C. | 11-10-2011 |
| 20110251851 | SYSTEM AND METHOD FOR MULTI-PERSON AND MULTI-SITE, INTERACTIVE TREATMENT SIMULATION | 10-13-2011 |
| 20110244420 | DENTAL DEVICE ADAPTER SYSTEM, DENTAL SYSTEM, AND METHOD OF OPERATING A DENTAL SYSTEM - Provided is a dental handpiece adapter connection system, dental handpiece adapter connection method, and a dental handpiece adapter. The dental handpiece adapter includes a first portion configured to engage a dental device having a first geometry and a second portion configured to engage a dental handpiece having a second geometry. The first portion being engaged with the adapter and the second portion being engaged with the adapter permits the dental handpiece to rotate a rotatable portion of the dental device. | 10-06-2011 |
| 20110183298 | METHODS FOR MAKING DENTAL RESTORATIONS USING TWO-PHASE LIGHT-CURING MATERIALS - Methods for making dental crowns, bridges, inlays, onlays, veneers, fillings, and other restorations are provided. The methods involve using a two-phase light curing (TPLC) material. Preferably, the TPLC material used to form the dental restoration comprises a blend of polymerizable compounds; photopolymerization systems (a) and (b), and particulate filler materials (a) and (b). In a first light-curing step, curing light having a wavelength of greater than 420 nm is used to activate system (a). In a second light-curing step, curing light having a wavelength of less than 420 nm is used to activate system (b). The two step light-curing method is efficient and allows the dentist to make restorations having high mechanical strength and pleasing aesthetics. | 07-28-2011 |
| 20110081624 | CORDLESS DENTAL HANDPIECE, SYSTEM INCLUDING A CORDLESS DENTAL HANDPIECE, AND METHOD OF CONNECTING A CORDLESS DENTAL HANDPIECE - A cordless dental handpiece, a system including a cordless dental handpiece, and a method of connecting a cordless dental handpiece are disclosed. The cordless dental handpiece includes a first module and a second module. The second module is configured to detachably engage the first module. The second module includes a battery compartment. | 04-07-2011 |
