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曲面斷層片在正畸治療中有什麼作用?

Posted By vickong pun     July 7, 2021    

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曲面斷層片在正畸治療中有什麼作用?


    曲面斷層片在正畸治療中有什麼作用?



    曲面斷層片在正畸治療中有什麼作用?全頜曲面斷層片有極高的診斷價值,通常錯患者都需拍該片以助診斷分析。

    可在一張x線片上瞭解以下幾方面的資訊:

    ①上下頜骨的基本形態、大小及對稱性。

    

    ②全口牙齒的牙根形態、長短及有無根尖吸收和根尖周病變。

    

    ③牙槽骨脊有無水準吸收,以判斷牙周病變程度。

    

    ④未萌牙是否有牙胚存在以及牙胚形態、位置和鈣化階段。

    

    ⑤瞭解第三磨牙存在或先天缺失情況,觀察牙胚方向,預測其是否埋伏或阻生。

    

    ⑥明確是否有多生牙埋伏或先天缺失牙。

    

    ⑦初步觀察雙側顳頜關節情況。

    

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