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    • 15. 发明公开
    • PROCÉDÉ DE CONTRÔLE D'UN TRAITEMENT ORTHODONTIQUE
    • PROCÉDÉDECONTRÔDED'UN TRAITEMENT ORTHODONTIQUE
    • EP3212115A1
    • 2017-09-06
    • EP15787967.7
    • 2015-10-27
    • Dental Monitoring
    • SALAH, PhilippeAYACHE, WilliamDEBRAUX, LaurentGHYSELINCK, GuillaumePELLISSARD, Thomas
    • A61C7/00A61C9/00G06T7/00
    • G06T7/251A61B1/24A61B5/0062A61B5/0086A61B5/0088A61C7/002A61C9/0053A61C2007/004G06T7/0016G06T7/33G06T15/00G06T19/20G06T2207/10028G06T2207/30036G06T2219/008G06T2219/2016
    • The invention relates to a method for monitoring the positioning of the teeth of a patient, said method including the following steps: a) less than three months after the end of an orthodontic treatment, producing an initial reference model of the arches of the patient, and, for each tooth, defining, from the initial reference model, a tooth model; b) acquiring at least one updated image of said arches, under actual acquisition conditions; c) analysing each updated image and producing, for each updated image, an updated map relative to a piece of discriminating information; d) optionally determining, for each updated image, rough virtual acquisition conditions that approximate said actual acquisition conditions; e) searching each updated image for a final reference model corresponding to the positioning of the teeth during the acquisition of the updated image, and; f) for each tooth model, comparing the positions of said tooth model in the initial reference model and in the reference model obtained at the end of the preceding steps, in order to determine the movement of the teeth between steps a) and b).
    • 本发明涉及一种监测患者牙齿定位的方法,所述方法包括以下步骤:a)在正畸治疗结束后不到三个月,产生患者牙弓的初始参考模型, 并且对于每个牙齿,从初始参考模型确定牙齿模型; b)在实际采集条件下获取所述拱门的至少一个更新图像; c)分析每个更新图像并为每个更新图像产生相对于一条鉴别信息的更新图; d)对每个更新图像任选地确定近似于所述实际采集条件的粗略虚拟采集条件; e)在获取更新图像期间,搜索每个更新图像以寻找对应于牙齿定位的最终参考模型,以及; f)对于每个牙齿模型,比较在初始参考模型中和在前面步骤结束时获得的参考模型中的所述牙齿模型的位置,以确定步骤a)和b)之间的牙齿移动。