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    Method and system for measuring periodontal pocket depth
    133.
    发明授权
    Method and system for measuring periodontal pocket depth 有权

    公开(公告)号：US12213852B2

    公开(公告)日：2025-02-04

    申请号：US17289938

    申请日：2019-10-31

    Applicant: 3SHAPE A/S

    Inventor： Mike Van Der Poel ,  Astrid Birch ,  Michael Vinther ,  Sonal Sharad Patil ,  Steen Frost Tofthøj

    IPC: A61C19/04 ,  A61B1/24 ,  G06T7/55 ,  H04N13/207

    Abstract: A system for measuring a depth of a periodontal pocket defined by a gap between a tooth and gingiva includes a frame, one camera, and a processor. The frame is configured to be worn by a user. The camera is configured to capture at least one 2D image of an intraoral target area. The at least one 2D image includes a representation of at least a part of the tooth, a gingiva margin defined by a section of the gingiva adjacent to the at least a part of the tooth, and a probe tip when the probe tip is inserted into the periodontal pocket. The processor is configured to receive the captured at least one 2D image and to determine an insertion length of the probe tip in the periodontal pocket. The determined insertion length represents the depth of the periodontal pocket.

    WIRELESS SCANNING DEVICE
    134.
    发明申请
    WIRELESS SCANNING DEVICE 有权

    公开(公告)号：US20250031945A1

    公开(公告)日：2025-01-30

    申请号：US18916843

    申请日：2024-10-16

    Applicant: 3SHAPE A/S

    Inventor： Anders GAARDE ,  Kasper Krogh HANSEN

    IPC: A61B1/00 ,  A61B1/227 ,  A61B1/24

    Abstract: The present disclosure provides a wireless scanning device, including a scanning housing, including an image detector configured for acquiring 2D-images at a first 2D-frame-rate; and one or more processor(s) coupled to the image detector such that the 2D-images can be processed by the processor(s) to form processed data; a wireless module being coupled to the processor(s) such that the wireless module receives the processed data from the processor(s) and wirelessly transmits the processed data.

    SYSTEM AND METHOD OF SOLVING THE CORRESPONDENCE PROBLEM IN 3D SCANNING SYSTEMS
    137.
    发明公开
    SYSTEM AND METHOD OF SOLVING THE CORRESPONDENCE PROBLEM IN 3D SCANNING SYSTEMS 审中-公开

    公开(公告)号：US20240293206A1

    公开(公告)日：2024-09-05

    申请号：US18591167

    申请日：2024-02-29

    Applicant: 3SHAPE A/S

    Inventor： Henrik ÖJELUND ,  Isak MOTTELSON

    IPC: A61C9/00 ,  A61B1/24 ,  A61C13/34

    CPC classification number: A61C9/006 ,  A61C13/34 ,  G06T17/00

    Abstract: A scanning system for generating a three-dimensional (3D) representation of an object includes: an intraoral scanning device including one or more projector units configured to project a pattern on a surface of the object; two or more camera units configured to acquire a set of images including at least one image from each camera unit, wherein each image is composed of an array of pixels, wherein each pixel includes a pixel color defined by one or more color channels; wherein the scanning system further includes one or more processors configured for: determining points in three-dimensional (3D) space that form a solution to a correspondence problem associated with the set of images, wherein the points are determined by comparing pixel colors with computed colors associated with camera rays corresponding to each pixel; and generating the three-dimensional (3D) representation based on the determined 3D points.

    INTRAORAL SCANNING WITH SURFACE DIFFERENTIATION
    138.
    发明公开
    INTRAORAL SCANNING WITH SURFACE DIFFERENTIATION 审中-公开

    公开(公告)号：US20240252289A1

    公开(公告)日：2024-08-01

    申请号：US18608267

    申请日：2024-03-18

    Applicant: 3SHAPE A/S

    Inventor： Henrik ÖJELUND ,  Asger Vejen HOEDT ,  Karl-Josef HOLLENBECK

    IPC: A61C9/00 ,  G06N3/08 ,  G06T17/00

    CPC classification number: A61C9/0073 ,  G06N3/08 ,  G06T17/00 ,  G06T2210/41

    Abstract: A method for generating a digital 3D representation of at least a part of an intraoral cavity, the method including recording a plurality of views containing surface data representing at least the geometry of surface points of the part of the intraoral cavity using an intraoral scanner; determining a weight for each surface point at least partly based on scores that are measures of belief of that surface point representing a particular type of surface; executing a stitching algorithm that performs weighted stitching of the surface points in said plurality of views to generate the digital 3D representation based on the determined weights; wherein the scores for the surface points are found by at least one score-finding algorithm that takes as input at least the geometry part of the surface data for that surface point and surface data for points in a neighbourhood of that surface point.

    PREDICTING THE DEVELOPMENT OF A DENTAL CONDITION
    140.
    发明公开
    PREDICTING THE DEVELOPMENT OF A DENTAL CONDITION 审中-公开

    公开(公告)号：US20240197446A1

    公开(公告)日：2024-06-20

    申请号：US18403012

    申请日：2024-01-03

    Applicant: 3SHAPE A/S

    Inventor： Henrik John BRANDT

    IPC: A61C9/00 ,  G06T17/00 ,  G16H30/20 ,  G16H50/50

    CPC classification number: A61C9/0053 ,  G06T17/00 ,  G16H30/20 ,  G16H50/50 ,  G06V2201/031 ,  G06V2201/12

    Abstract: Disclosed is method, a user interface, a computer program product and a system for predicting future development of a dental condition of a patient's set of teeth, wherein the method comprises: —obtaining two or more digital 3D representations for the teeth recorded at different points in time; —deriving based on the obtained digital 3D representations a formula expressing the development of the dental condition in terms of at least one parameter as a function of time; and—predicting the future development of the condition based on the derived formula.

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