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Dentsply Sirona Inc patents


Recent patent applications related to Dentsply Sirona Inc. Dentsply Sirona Inc is listed as an Agent/Assignee. Note: Dentsply Sirona Inc may have other listings under different names/spellings. We're not affiliated with Dentsply Sirona Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Dentsply Sirona Inc-related inventors


Dynamic seal for use in a dental handpiece

A dynamic seal for use in a dental handpiece is disclosed. The dynamic seal includes a seal carrier including a first portion having a first feature for receiving a first compliant member and a second portion having a second feature for receiving a second compliant member, and a flange disposed... Dentsply Sirona Inc

Instrument for drilling dental root canals

An endodontic instrument comprising a tapered rod, the rod comprising an active portion, the active portion terminating at a distal tip end of the rod and defining a conical envelope, the conical envelope having a longitudinal axis that coincides with an axis of rotation of the instrument.... Dentsply Sirona Inc

Circumferential matrix system

A circumferential matrix system having a matrix band is described herein. The circumferential matrix system can be tightened around a tooth without the need or use of a retaining ring.... Dentsply Sirona Inc

Dental material delivery system

Described herein is a dental material applicator system comprising a segmented capsule and handpiece. The capsule separately holds a powder and a liquid such that upon activation in the handpiece by an operator, the powder and liquid are mixed into a paste. The operator then triggers the handpiece so that... Dentsply Sirona Inc

High strength three dimensional fabricating material producing dental products

This invention relates to printable high strength/toughness polymerizable material systems for making dental products such as artificial teeth, dentures, splints, veneers, inlays, onlays, orthodontic appliances, aligners, copings, frame patterns, crowns and bridges and the like. A DLP, stereolithography, modified or their modification and combination based printer is used to cure... Dentsply Sirona Inc

Three-dimensional fabricating material producing layered dental products

This invention designs and builds multiple layers (two layers or more) of various dental devices, specifically denture base or denture, where printed multiple layered denture base with teeth cavities to receive artificial denture tooth materials to form final dental devices, such as partial and full dentures. It can also print... Dentsply Sirona Inc

Method and providing two digital panoramic layer images

The invention relates to a method for providing a first and a second digital panoramic layer image optimized for a comparison, wherein the first and second panoramic layer images each have multiple projections detected and stored for them by means of at least one digital detector during an at least... Dentsply Sirona Inc

Ascertaining the spatial positions and orientations of implants anchored in a jaw of a patient

A method is proposed for ascertaining the spatial positions and orientations of at least two implants (120) anchored in a jaw of a patient, said method having the following steps: 1. An adhesive bond aid (100) is produced that bridges the implants and has negative molds (140) of adhesive caps... Dentsply Sirona Inc

Method for generating a model of a dental replacement part

The invention relates to a method for generating a digital model (6) of a dental replacement part, formed by a dental prosthesis and a prosthesis base having a rear protection plate, and for producing a dental replacement part of this type, wherein, in a digital model (1) of a jawbone... Dentsply Sirona Inc

Orthodontic diagnostic method

The invention relates to an orthodontic diagnostic method wherein at least one initial two-dimensional X-ray image (1) of a first zone (2) of a head (3) is taken. Then at least one three-dimensional X-ray image (4) of a second zone (5) of a dental situation is taken, and the three-dimensional... Dentsply Sirona Inc

Method for generating a radial or spiral mrt image

Disclosed herein is a method for generating an MRI image in which a radial or spiral k-chamber path with a constant angular increment Psi is used to take an MRI image, the angular increment Psi being in the angular range of between 5-55 degrees or being in the corresponding supplementary... Dentsply Sirona Inc

Aqueous dental glass ionomer composition

The present disclosure relates to an aqueous dental glass ionomer composition comprising a reactive particulate glass, a water-soluble, polymerizable polymer which is reactive with the particulate glass in a cement reaction, a hydrolysis-stable, water-soluble monomer having a single polymerizable double bond and optionally a carboxylic acid group or hydroxyl group;... Dentsply Sirona Inc

Aqueous dental glass ionomer composition

An aqueous dental glass ionomer composition comprising (A) a reactive particulate glass, (B) a water-soluble polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, (C) a water-soluble, hydrolysis-stable monomer having a single polymerizable double bond and optionally a carboxylic acid group or hydroxyl group;... Dentsply Sirona Inc

Hydrophilic impression material with improved storage stability

Disclosed herein is a dental impression material that includes a two part addition curing silicone composition. The disclosed impression material contains a surfactant system composed of a fluorosurfactant and a fatty alcohol ethoxylate. The impression material disclosed herein exhibits improved storage stability than known systems using fluorosurfactants and silicone ether... Dentsply Sirona Inc

Compositions and methods for inhibition and interruption of biofilm formation

Compositions and methods for inhibiting and interrupting biofilm formation, and for destabilizing established biofilms are provided, the novel compositions including polymeric resins and monomeric non-polymerizable and polymerizable resins. More particularly, the compositions and methods enable the protection and removal of biofilms from surfaces in the context of medical, consumer, domestic,... Dentsply Sirona Inc

Method for sealing of a canal

The invention relates to a method for sealing of a circumferentially closed canal. A closure element is secured to one free end of a light guide conducting a laser beam. The light guide with the closure element is introduced into the canal. The closure element is positioned in the region... Dentsply Sirona Inc

Method to manufacture a colored blank, and blank

The invention relates to a method for manufacturing a colored blank, which contains zirconium dioxide and is intended for the manufacture of a dental restoration, whereby raw materials in powder form, at least some of which contain one coloring substance each, are mixed with, zirconium dioxide as the main ingredient,... Dentsply Sirona Inc

Method and arrangement for cleaning of a canal

The invention relates to a method and an arrangement for the cleaning of a circumferentially closed canal by means of a light guide conducting a laser beam. The entry of the laser beam into the light guide is interrupted when the free end of the light guide is outside of... Dentsply Sirona Inc

Radical polymerisation initiators for light-curable dental materials

The invention provides a light-curable dental material comprising a polymerizable compound having at least one ethylenically unsaturated bond and a hexaaryl bisimidazole as a photopolymerisation initiator.... Dentsply Sirona Inc

Method for producing a blank, blank and a dental restoration

The invention relates to a method for the preparation of a blank of a ceramic material, wherein a first ceramic material and then a second ceramic material of different compositions are filled into a die and wherein the materials are pressed and after pressing are sintered. A layer of the... Dentsply Sirona Inc

Method of attaching a dental article to the surface of the tooth

A method of attaching a dental article to the surface of a tooth includes providing the dental article and applying a coating including upconversion phosphors to a surface of the dental article. The method also includes applying a dental cement composition to the surface of the tooth and placing the... Dentsply Sirona Inc

Method for producing a dental restoration

The invention relates to a method for the production of a dental restoration from a blank, which has regions or layers of ceramic materials with differing compositions, under use of the method steps, filling of the ceramic materials into a mold, pressing of the ceramic materials to form a blank,... Dentsply Sirona Inc

Method for creating a mineral trioxide aggregate material with improved biological effects

A dental device is improved in its ability to produce hydroxyl apatite by having a layer of mineral trioxide aggregate (MTA) deposited thereon. A tile of MTA is prepared, heat treated and sintered to produce a micronized tile of MTA that can then be deposited by physical vapor depositions, hot... Dentsply Sirona Inc

Method for the computer-aided editing of a digital 3d model

A method for the computer-aided editing of a digital 3D model (1) of a dental object using digital tools (T1, T2, T3) provides for the identification of different dental-specific regions (R1, R2, R3) of the 3D model (1) that are affected by the tool (T1, T2, T3) in different ways,... Dentsply Sirona Inc

Method for producing a blank and dental restoration

The invention relates to a method for the preparation of a blank from a ceramic material, wherein at least two layers of ceramic material of different compositions are filled into a die layer-by-layer and after filling of the layers they are then pressed and sintered, wherein after filling of a... Dentsply Sirona Inc

Balance functioning denture tooth systems containing toughened compositions

A dental composition that includes one or more monomers, a plurality of crosslinking agents, and an initiator.... Dentsply Sirona Inc

Method for producing a shaped body and molding

The invention relates to a method for the production of a shaped body comprising at least the method steps of producing a blank having an open porosity by pressing and treating pourable material in a first heat treatment step comprising or consisting of a metal oxide, infiltrating the blank with... Dentsply Sirona Inc

Sintering furnace for components made of sintered material, in particular dental components

The invention relates to a sintering furnace (1) for components (15) made of a sintered material, in particular for dental components, comprising a furnace chamber (2) having a chamber volume (VK), wherein a heating device (5), a receiving space (9) having a gross volume (VB) located in the chamber volume... Dentsply Sirona Inc

Dental composition

wherein the composition does not contain any 2,2-bis-(4-hydroxyphenyl)-propane, or 2,2-bis-(4-hydroxyphenyl)-methane.... Dentsply Sirona Inc

Method and operating a dental diagnostic image generation system

Disclosed is a method for operating a dental diagnostic image generation system of at least two modalities for generating three-dimensional image data by means of X-rays and at least one further beam of a different modality, wherein at least two three-dimensional image data of different modalities are generated and the... Dentsply Sirona Inc

Orthodontic cement compositions and methods of use thereof

Disclosed herein is an orthodontic cement having an effective polymerizable antibacterial resin that is capable of balanced antibacterial effectiveness, prevention of white spot lesions during orthodontic treatment, and excellent adhesion properties. Disclosed is a method and orthodontic cement composition comprising polymerizable antibacterial/antimicrobial monomers, and a high performance orthodontic cement formulated... Dentsply Sirona Inc

Endodontic rotary instruments made from hollow tubes and methods of manufacturing thereof

A hollow endodontic instrument having: a file axis; a proximal end; a tip; and a shaft portion between the proximal end and the tip; wherein the shaft portion defines a hollow void at least partially bounded by a plurality of fingers and a plurality of longitudinal spacings, each finger extends... Dentsply Sirona Inc

Scanning device

The invention relates to a scanning device, comprising a handle (10) to be held by an operating person and a mouthpiece (20). The scanning device is inserted into the mouth of a patient by means of the mouthpiece (20). There, during a recording by means of a sensing apparatus provided... Dentsply Sirona Inc

Method and system for designing custom restorations for dental implants

A computer-implemented method of designing a dental restoration component, including: receiving a set of design dimensional constraints which must be satisfied for the dental restoration component; receiving a set of design parameters for the dental restoration component; receiving a definition for a penalty function which takes into account at least... Dentsply Sirona Inc

03/23/17 / #20170079757

Method of diagnosing optical inhomogeneity of a volume scattering object and a dental tool

A method of diagnosing optical inhomogeneity of a volume scattering object is provided. The method includes the steps of providing a substance coated with phosphorous materials, adapting the substrate to a surface of a volume scattering object to be diagnosed, and trans-illuminating the volume scattering object with radiation. A dental... Dentsply Sirona Inc

03/16/17 / #20170071700

Dental separator and matrix system for producing dental restorations

A dental separator device for applying pressure against adjacent teeth to separate the teeth from one another so that a dental restoration can be made. The separator device increases the interproximal space between the adjacent teeth giving the dental clinician improved visibility and working space. The invention also encompasses a... Dentsply Sirona Inc

03/16/17 / #20170071712

Three-dimensional printing system and methods of use

A three-dimensional printing system including a feed source of uncured filled resin material, a print head configured to apply discrete layers of a composition including upconversion phosphors, and a radiation source configured to irradiate layers of uncured filled resin material and deposited layers of the composition is provided. A method... Dentsply Sirona Inc

03/09/17 / #20170070169

Control circuit and control a synchronous machine

The invention relates to a control circuit for a synchronous machine (1) of a dental handpiece, comprising a voltage supply (2) and a clamping circuit (7) connected by switches (6). The invention also relates to a method for determining an angular position of a rotor of a synchronous machine (1),... Dentsply Sirona Inc

03/02/17 / #20170056136

Method for performing an optical three-dimensional recording

The invention relates to a method for performing an optical three-dimensional recording by using a hand-held dental camera, wherein the camera automatically records a plurality of individual optical recordings in succession at a defined frequency during the measurement, wherein the individual three-dimensional optical recordings are combined by means of registration... Dentsply Sirona Inc

03/02/17 / #20170057933

Polymerizable resins containing a 1,3,5-hexahydro-1,3,5-triazine moiety, methods of making, and dental compositions containing the same

Disclosed herein are methods of making polymerizable resins containing a 1,3,5-hexahydro-1,3,5-triazine moiety and dental compositions comprising such novel hydrolytically-stable, polymerizable resins derived from a 1,3,5-hexahydro-1,3,5-triazine.... Dentsply Sirona Inc

01/19/17 / #20170014208

Self-ligating orthodontic brackets

The present invention employs a self-ligating orthodontic bracket comprising a body having a pair of laterally spaced gingival tie wings and a pair of laterally spaced occlusal tie wings, the gingival and occlusal tie wings projecting from a labial surface of the body; an arch wire slot extending mesially-distally across... Dentsply Sirona Inc








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