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牙齒出現隱裂該怎麽辦？

Posted By vickong pun     July 10, 2021    

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牙齒出現隱裂該怎麽辦？

　　牙齒出現隱裂該怎麽辦？牙齒出現隱裂，首先應調整、降低牙尖斜度，以減輕正中颌位 和側向颌位時的颌力：隱裂較淺者僅達釉牙本質界.並且著色淺而 無繼發蒯者，可通過酸蝕法和釉質黏結剤光固化處理；隱裂已達牙 本質淺層中層者.可沿裂紋制備洞,氧氧化鈣墊底.丁香油粘固劑 暫封，兩周後無症狀則換永久充填。

隱裂較深或已伴有牙精病或 根尖周病者,可做牙割治療或根管治療，爲防止牙在治療中劈裂， 治療前患牙用鋼絲結紮或做帶環冠。
牙體制備中防止産熱過多. 同時大量調磨牙尖斜面?減少側向領力?洞形充填時.選用黏性較 好而産熱後膨脹小的複合樹脂充填，並及時全冠修複。

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