公开(公告)号：US20150235412A1

公开(公告)日：2015-08-20

申请号：US14421219

申请日：2013-08-14

Applicant: Sirona Dental Systems GmbH

Inventor： Anders Adamson ,  Burkhard Lehner ,  Joost Sattler ,  Tom Bobach ,  Frank Thiel

IPC: G06T17/00 ,  A61C9/00 ,  G06T7/00 ,  G06T19/00 ,  G06T15/20

CPC classification number: G06T17/00 ,  A61C9/00 ,  A61C9/0053 ,  A61C11/00 ,  G06T7/344 ,  G06T7/50 ,  G06T15/20 ,  G06T19/00 ,  G06T2210/32 ,  G06T2210/41 ,  G06T2219/016 ,  G06T2219/2008 ,  G06T2219/2021

Abstract: The invention relates to a method for recording individual three-dimensional optical images (1) to form a global image (50) of a tooth situation comprising an upper jaw (2) and a lower jaw (3). A first 3D model (6) of a first subsection of the upper jaw and a second 3D model (8) of a second subsection of the lower jaw are produced from the individual images. Subsequently, a geometric positional relationship between the first 3D model (6) and the second 3D model (8) is determined, said positional relationship being determined by using a lateral image (20, 21, 22) and/or using a contact pattern (31, 32). Said lateral image (20, 21, 22) comprises an image area which comprises at least part of the first subsection of the upper jaw (2) and at least part of the second subsection of the lower jaw (3). Said contact pattern comprises several contact areas (31, 32) between the upper jaw and the lower jaw. Said contact pattern (30, 31, 32) is measured by means of an occlusion paper (29).

Abstract translation: 本发明涉及用于记录单个三维光学图像（1）以形成包括上钳口（2）和下钳口（3）的牙齿情况的全局图像（50）的方法。 从各个图像产生上颌的第一子部分的第一3D模型（6）和下颌的第二子部分的第二3D模型（8）。 随后，确定第一3D模型（6）和第二3D模型（8）之间的几何位置关系，所述位置关系通过使用横向图像（20,21,22）和/或使用接触图案（ 31,32）。 所述横向图像（20,21,22）包括图像区域，该图像区域包括上钳口（2）的第一子段的至少一部分和下钳口（3）的第二子部分的至少一部分。 所述接触图案包括在上颚和下颚之间的若干接触区域（31,32）。 所述接触图案（30,31,32）通过遮挡纸（29）测量。

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.