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vickong pun
vickong pun
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正畸治療時爲什麽要制取石膏模型？

Posted By vickong pun     July 13, 2021    

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正畸治療時爲什麽要制取石膏模型？

　　正畸治療時爲什麽要制取石膏模型？石膏模型是患者牙、牙弓、牙槽、基骨、腭蓋等形態.以及上下 牙咬合關系的精確複制，有記存模型和工作模型兩種?記存模型. 是矯治前、矯治過程中某些重要階段及矯治完成後患者牙胎狀態 的記錄，用于在治療過程中作對照觀察，治療前後的療效評估及病 例展示等，應制作准確，長久保存.工作模酸用來進行測量分析. 爲矯治設計提供數據依據，或者用于各種活動矯治器、保持器及聘 杆、舌弓等固定矯治裝置的制作"

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