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    • 7. 发明申请
    • ORTHODONTIC TREATMENT MONITORING BASED ON REDUCED IMAGES
    • 基于缩小图像的正畸治疗监测
    • WO2009085752A2
    • 2009-07-09
    • PCT/US2008086985
    • 2008-12-16
    • 3M INNOVATIVE PROPERTIES COCINADER DAVID K JR
    • CINADER DAVID K JR
    • A61C7/00
    • A61C7/00A61C7/002
    • The present invention provides digitally driven methods to conveniently and efficiently monitor and evaluate the positions of a patient's teeth during the course of orthodontic treatment. In an exemplary embodiment, an initial set of 3D digital data representing a patient's dental structure is provided by means of an X-ray radiograph and/or an intraoral scan. Then during the course of treatment, a reduced image representing part of the dental structure may be quickly provided using a bite plate or a low resolution intraoral scan. A three-dimensional (3D) image of the full dental structure is subsequently rendered or 'reconstructed' by registering elements of the initial image with corresponding elements of the reduced image. By reconstructing the dental structure from the reduced image, the treating professional can provide a precise, manipulable 3D image of the patient's complete dental structure for diagnostic and treatment planning purposes. Other aspects include methods of using these data to compare actual and target teeth positions to evaluate the progress of treatment and suggest revisions to the specification of an orthodontic appliance.
    • 本发明提供了数字驱动的方法,以便在正畸治疗过程中方便和有效地监测和评估患者牙齿的位置。 在示例性实施例中,通过X射线照片和/或口腔内扫描提供表示患者的牙齿结构的初始一组3D数字数据。 然后在治疗过程中,使用咬板或低分辨率口腔内扫描可快速提供表示部分牙齿结构的缩小图像。 随后通过将初始图像的元素与缩小图像的对应元素配准来渲染或“重建”完整牙科结构的三维(3D)图像。 通过从缩小的图像重建牙齿结构,治疗专业人员可以为诊断和治疗计划目的提供患者完整牙科结构的精确,可操作的3D图像。 其他方面包括使用这些数据比较实际牙齿位置和目标牙齿位置的方法,以评估治疗进展并建议修正正畸矫治器的规格。