公开(公告)号：US11109947B2

公开(公告)日：2021-09-07

申请号：US15305952

申请日：2015-04-23

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Anders Adamson ,  Tom Bobach ,  Nico Grund

IPC: A61C9/00 ,  A61B1/00 ,  A61B1/045 ,  A61B1/24

Abstract: The invention relates to a method for performing an optical three-dimensional recording by using hand-held dental camera. The camera automatically records a plurality of individual optical recordings in succession at a defined frequency during the measurement. The individual three-dimensional optical recordings are combined into an overall recording of a dental object to be measured and before the measurement is performed, a three-dimensional standard jaw model is displayed using a display device and a first control point on the standard jaw model is displayed using the display device. The hand-held dental camera is then positioned in relation to the object to be recorded in such a way that the camera points at the first control point of the standard jaw model and records a corresponding recording region of the dental object.

公开(公告)号：US10939980B2

公开(公告)日：2021-03-09

申请号：US15105530

申请日：2014-12-18

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Peter Fornoff ,  Christian Schmidt

IPC: A61C5/77 ,  A61C13/20 ,  F27B17/02 ,  A61C13/00

Abstract: The invention relates to a method for planning a heat treatment of a dental prosthesis part (1), in which a 3D model (9) of the dental prosthesis part to be produced (1) already exists. A temperature profile (16) for the heat treatment of the dental prosthesis part (1) is automatically determined by a computer (17) as a function of determined geometric parameters (10, 11, 12, 13) of the dental prosthesis part to be produced (1) and/or of determined material parameters of the dental prosthesis part to be produced (1).

公开(公告)号：US20200375704A1

公开(公告)日：2020-12-03

申请号：US16766339

申请日：2018-11-23

Applicant: SIRONA Dental Systems GmbH

Inventor： Susanne RABE

IPC: A61C13/00 ,  A61C13/271 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y80/00 ,  G16H50/50 ,  G05B19/4099

Abstract: The invention relates to a dental prosthesis part production method, wherein: a dental prosthesis part model is generated taking into account a dental model; a load analysis of the dental prosthesis part model is carried out; a first reinforcing structure model having a first shape and position is arranged inside the dental prosthesis part model and the dental prosthesis part model is reduced by a volume corresponding to the arranged first reinforcing structure model; the reduced dental prosthesis part model is divided into a lower partial volume and an upper partial volume; a lower part of the dental prosthesis part is produced from a first composite material according to the lower partial volume by means of the 3D printer; a first reinforcing structure corresponding to the first reinforcing structure model is arranged on the first part of the dental prosthesis part; and, by means of the 3D printer using the first composite material, an upper part of the dental prosthesis part according to the upper partial volume is placed onto the lower part of the dental prosthesis part comprising the arranged first reinforcing structure.

公开(公告)号：US20200275995A1

公开(公告)日：2020-09-03

申请号：US16648099

申请日：2018-10-02

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Elias BÜHLER ,  Thomas OSKAM ,  Evangelos MAKRIS

IPC: A61C7/08 ,  A61C7/00 ,  A61C13/34 ,  A61C11/00 ,  A61C19/05

Abstract: The invention relates to a method for producing a guided bite splint for a supporting jaw comprising at least one guide for an opposing jaw. A 3D model of an upper jaw and/or a 3D model of a lower jaw are available, wherein the 3D models of the upper jaw and the lower jaw are arranged relative to one another in an occlusal position and integrated into a virtual articulator model which simulates an articulation movement of the lower jaw relative to the upper jaw, wherein a 3D model of the bite splint is constructed using the 3D model of the upper jaw and/or the 3D model of the lower jaw, wherein the at least one guide for the opposing jaw is constructed automatically on the 3D model of the bite splint with the aid of a computer.

公开(公告)号：US20190328622A1

公开(公告)日：2019-10-31

申请号：US16322135

申请日：2017-08-09

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Michael Bäurer

IPC: A61K6/02 ,  A61C13/00 ,  A61C13/083 ,  C04B35/486 ,  C04B35/645

Abstract: The invention relates to a blank (5) for producing a tooth replacement part (1) using a CAD/CAM device (10, 7), comprising a block (25) of a sintered material (26). Said block (25) of sintered material (26) has already been presintered in a sintering furnace (2) at an initial sintering temperature (33) between 1000° C. and 1250° C.

公开(公告)号：US20190282343A1

公开(公告)日：2019-09-19

申请号：US16317667

申请日：2017-07-21

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Joachim PFEIFFER ,  Frank THIEL

IPC: A61C9/00 ,  A61C19/04

Abstract: The invention relates to a measuring system for measuring an implant-implant situation for planning an implant-supported tooth replacement part supported on at least two implants, comprising a scanning template and the at least two set implants. The scanning template has cut-outs for the individual implants, wherein first markings are arranged on surface regions around the cut-outs.

公开(公告)号：US10390693B2

公开(公告)日：2019-08-27

申请号：US15564436

申请日：2016-04-11

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Anders Adamson ,  Frank Thiel ,  Ulf Willers

IPC: A61B1/24 ,  A61B5/00 ,  G01B11/24 ,  A61C9/00 ,  G01B9/02 ,  G01B11/02

Abstract: The invention relates to a measurement system for optically measuring an object, comprising a dental camera and an optical attachment. In this case the optical attachment comprises at least one lens, which is shaped and arranged in such a way that the optical attachment has a negative focal length so that a measurement field or a measurement volume of the dental camera is enlarged by the optical attachment.

公开(公告)号：US20190159875A1

公开(公告)日：2019-05-30

申请号：US16300992

申请日：2017-05-19

Applicant: SIRONA DENTAL SYSTEMS GMBH

Inventor： Andreas SCHAFER

IPC: A61C13/00 ,  G06F17/50

Abstract: The invention relates to a method for the computer-assisted manufacturing of a tooth replacement part or a dental auxiliary element from a blank, which can be rotated about an axis of rotation, by means of a machine tool, wherein a blank data set comprising the axis of rotation and a model data set of the tooth replacement part or dental auxiliary element are stored and the model data set has a first region having a first insertion axis and a second region having a second insertion axis askew to the first insertion axis, wherein in a first positioning step (S1) the model data set is arranged in the blank data set in such a way that the first insertion axis of the model data set is oriented perpendicular to the axis of rotation of the blank data set and in a second positioning step (S2) the second insertion axis of the model data set is oriented perpendicular to the axis of rotation of the blank data set by rotating the model data set about the first insertion axis.

公开(公告)号：US10127347B2

公开(公告)日：2018-11-13

申请号：US14907055

申请日：2013-07-24

Applicant: Sirona Dental Systems GmbH

Inventor： Konrad Klein

IPC: G06K9/00 ,  G06F19/12 ,  A61C19/045 ,  A61C9/00 ,  G06T19/20

Abstract: A method is proposed for creating a virtual articulator for a jaw and the associated dentition having the following steps: image a virtual model of the teeth of the maxilla (140); image a virtual model of the teeth of the mandible (130); buccal imaging of the position and orientation of the teeth (130, 140) of the maxilla and mandible in the closed-bite position; buccal imaging of the position and orientation of the teeth (130, 140) of the maxilla and mandible in a slightly open position; computational determination of the position of the condylar articulation axis (150) relative to the teeth (130, 140) of the mandible and/or maxilla from the imaged positions and orientations; and a virtual articulator can thereby be created without having to possess special knowledge, e.g. of the dimensions of a specific mechanical articulator or any adapter elements, or their arrangement.

公开(公告)号：US10052079B2

公开(公告)日：2018-08-21

申请号：US14905596

申请日：2014-07-15

Applicant: Sirona Dental Systems GmbH

Inventor： Ciamak Abkai ,  Kai Lindenberg

IPC: A61B6/00 ,  A61B6/03 ,  A61B6/04 ,  A61B90/00

CPC classification number: A61B6/547 ,  A61B6/032 ,  A61B6/0492 ,  A61B6/4435 ,  A61B6/501 ,  A61B6/52 ,  A61B6/5294 ,  A61B6/584 ,  A61B6/589 ,  A61B2090/3937

Abstract: The invention relates to a method for producing an x-ray image (1) of an object (2) by means of an x-ray device (3). An x-ray source (4) and an x-ray detector (5) are moved about an object (2) during an at least partial circulation (8, 9), and the x-ray beams (10) which are generated by the x-ray source (4) and pass through the object (2) are detected from multiple different directions by means of the x-ray detector (5). In the process, at least one optical camera (13, 14) captures the object (2) during the circulation, wherein an optical image (15, 17) is produced. The optical camera (13, 14) has a rigidly defined position relative to the x-ray source (4) and/or the x-ray detector (5). The optical image (15, 17) is then used to determine a movement trajectory of the object (2) relative to the x-ray source (4) and/or the x-ray detector (5).