公开(公告)号：US11179224B2

公开(公告)日：2021-11-23

申请号：US15712848

申请日：2017-09-22

Applicant: DENTSPLY SIRONA INC.

Inventor： Kenneth R. Guaragno ,  Jared Witmer ,  Clive Swatton

IPC: A61C1/07 ,  A61C19/00 ,  A61C17/00 ,  A61C1/16 ,  A61C17/20 ,  A61C1/18

Abstract: 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 between the first feature and the second feature.

公开(公告)号：US11170665B2

公开(公告)日：2021-11-09

申请号：US15570024

申请日：2016-04-26

Applicant: DENTSPLY SIRONA inc.

Inventor： Francesco Piras ,  Boris Kujawa

IPC: G09B23/28 ,  A61C1/00 ,  A61C1/12 ,  A61C5/40 ,  G09B5/02 ,  A61C5/42

Abstract: The system according to the invention comprises: a handpiece, to which an endodontic instrument can be connected that is intended to be inserted into a root canal, a measurement unit for measuring a magnitude related to the position of the endodontic instrument in the root canal and a computation and display unit for displaying a graph representing the evolution of the magnitude measured by the measurement unit during an endodontic treatment with the endodontic instrument. The method according to the invention comprises the following steps: displaying, by means of a computation and display unit, a graph representing the evolution of a magnitude measured during a root canal treatment performed by the dentist, the magnitude being related to the position of an endodontic instrument in the root canal, and providing a reference graph representing a predetermined endodontic treatment technique to allow a comparison to be made between the graph representing the evolution of the measured magnitude and the reference graph.

公开(公告)号：US11141353B2

公开(公告)日：2021-10-12

申请号：US15996671

申请日：2018-06-04

Applicant: DENTSPLY SIRONA Inc.

Inventor： Todd Patrick Berger ,  Adam Zachary Baratz ,  Sheridan Lynn Rose

IPC: A61K6/54 ,  A61K6/56 ,  A61K6/851 ,  A61K6/887 ,  A61K6/896 ,  A61K6/17

Abstract: A dental composition comprising a pre-reacted particulate mineral trioxide aggregate (MTA) dispersed in a polymer matrix wherein the content of MTA in the composition is in the range of 20 to 50 percent by weight based on the total weight of the composition.

公开(公告)号：US20210307637A1

公开(公告)日：2021-10-07

申请号：US17352457

申请日：2021-06-21

Applicant: DENTSPLY SIRONA Inc.

Inventor： Ciamak ABKAI ,  Tim BRAUN

IPC: A61B5/055 ,  A61B5/107 ,  A61B5/00 ,  G01R33/20 ,  G06T7/00

Abstract: Disclosed herein is a method for acquiring a dental object of a patient with an object volume, in particular at least a part of a skull, an upper jaw and/or a lower jaw. To do so, a plurality of segment volume ranges are defined in the object volume, where the segment volume ranges overlap at most partially and directions of the segment volume ranges are not parallel to one another. The image data of the segment volume ranges is recorded by an MRI machine within a measuring volume of the MRI machine A two-dimensional composite image is generated from the image data of the individual segment volume ranges by projecting the image data onto a target plane. The target plane is disposed parallel to a defined midsagittal 10 plane of the skull or corresponds to the midsagittal plane, where a first segment volume range at least partially includes the midsagittal plane of the skull.

公开(公告)号：US11117829B2

公开(公告)日：2021-09-14

申请号：US16527122

申请日：2019-07-31

Applicant: DENTSPLY SIRONA Inc.

Inventor： Markus Vollmann ,  Irmgard Wissel ,  Marcel Meegdes ,  Carsten Wiesner

IPC: C03C10/00 ,  C03C3/097 ,  A61C13/00 ,  C03B32/02 ,  C03C4/00

Abstract: The invention relates to a lithium silicate glass ceramic, which contains at least lithium disilicate as a crystal phase, and lithium aluminum silicate as further crystal phase. The lithium silicate glass ceramic in its initial composition contains Al2O3 at 1.5 to 3.5 percent by weight, and K2O at 0.6 to 1.8 percent by weight.

公开(公告)号：US11090142B2

公开(公告)日：2021-08-17

申请号：US15388040

申请日：2016-12-22

Applicant: DENTSPLY SIRONA Inc.

Inventor： Lothar Volkl ,  Martin Kutzner ,  Heiner Horhold ,  Stefan Fecher

IPC: A61C13/00 ,  A61C13/083 ,  A61C13/08 ,  A61C13/09 ,  B28B1/16 ,  B28B11/24 ,  C04B35/488 ,  C04B35/645 ,  C04B37/00

Abstract: 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 first layer this is structured on its surface in such a way that the first layer, viewed across its surface, differs in its height from region to region, and then a layer with a composition that differs from the first layer is filled as a second layer into the mold.

公开(公告)号：US11072021B2

公开(公告)日：2021-07-27

申请号：US16126930

申请日：2018-09-10

Applicant: DENTSPLY SIRONA INC.

Inventor： Friedrich Riemeier ,  Werner Butscher ,  Frank Witte ,  Christoph Radinger ,  Andrew Cordell ,  Rohit Sachdeva

IPC: B21F45/00 ,  A61C7/00 ,  A61C7/20 ,  B21F1/00 ,  B25J9/16 ,  G01B11/24 ,  B21F23/00 ,  B21C51/00

Abstract: An apparatus and method for bending or shaping orthodontic archwires or other medical devices into a complex, patient individual shape is described. The apparatus comprises of two moveable, compact, manipulators with, in total, at least three revolute joints defining three rotation axes and at least three prismatic joints defining at least three translation axes. Gripping tools are provided on the manipulators. The two manipulators are arranged to allow a relative movement in six degrees of freedom. A reduced complexity embodiment is also described having only one or two revolute joints.

公开(公告)号：US20210177544A1

公开(公告)日：2021-06-17

申请号：US17267875

申请日：2019-07-31

Applicant: DENTSPLY SIRONA Inc. ,  DEGU-DENT GMBH

Inventor： Markus VOLLMANN

IPC: A61C5/73 ,  A61C13/00 ,  A61K6/833

Abstract: The present invention is related to a dental prosthesis, in particular a crown, consisting of or comprising an inner primary part, such as a cap, which is joined in a fixed manner to an outer secondary part.
Further, the present invention is also directed to a dental kit for manufacturing or producing such a dental prosthesis, in particular a crown.

公开(公告)号：US20210161620A1

公开(公告)日：2021-06-03

申请号：US17110650

申请日：2020-12-03

Applicant: DENTSPLY SIRONA INC.

Inventor： Adam Z. BARATZ ,  Kevin WILKINSON ,  Prakash Subramanian

IPC: A61C5/50 ,  B29C69/02

Abstract: Disclosed herein is an obturator and methods of manufacturing an obturator for filling an endodontically prepared root canal. The obturator comprises an elongated carrier having a distal end, proximal end, and working portion with a combination of filler materials having multiple viscosities coated on the working portion.

公开(公告)号：USD921217S1

公开(公告)日：2021-06-01

申请号：US29716155

申请日：2019-12-06

Applicant: DENTSPLY SIRONA Inc.

Designer： Adam Z. Baratz ,  Sheridan L. Rose ,  Stephen W. Rigsby ,  Todd P. Berger