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何謂藥物性牙齦增生？

Posted By vickong pun     July 10, 2021    

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何謂藥物性牙齦增生？

　　何謂藥物性牙齦增生？

藥物性牙齦增生是指長期服用某些藥物而引起的牙齦纖維性增生和體積增大。
已知這類藥物有抗癲癇藥物苯妥英鈉（大侖丁）、心血管藥物硝苯地平（心痛定）、免疫抑制劑環孢素a等。
牙齦從齦乳頭開始增生，呈小球狀，繼之，增大的乳頭相互相連並向邊緣齦擴展，覆蓋部分牙面。

多數患者無自覺症狀，無疼痛。
形成假性牙周袋後，牙齦失去正常生理外形，菌斑易於聚集，牙齦變深紅或紫紅色，質地較鬆軟，邊緣部分易出血。
影響進食，也影響美觀。

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