Tooth and gingiva modeling method suitable for digital orthodontic application
A modeling method and tooth technology, applied in orthodontics, dentistry, dental restoration, etc., can solve the problem of inability to meet the requirements of orthodontic applications such as tooth root position, posture, collision interference, control of the extension direction and length of the tooth root surface, and control of the side of the tooth. Form and other issues
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[0072] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the schematic embodiments and descriptions are only used to explain the present invention, but are not intended to limit the present invention.
[0073] Such as Figure 1-Figure 10B As shown, a tooth modeling method suitable for digital orthodontic application described in this specific embodiment adopts the following steps:
[0074] A. Using the segmented crown surface to establish a tooth local coordinate system;
[0075] B. Determine the cross-sectional profile of the tooth root through the coordinate axis of the tooth root in the coordinate system;
[0076] C. Perform two-dimensional triangulation on the bottom surface of the tooth root, and add position constraints and tangential constraints to control the convex shape;
[0077] D. Using a plane approximation-based clustering method and two-dimensional triangulation to generate t...
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