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頜下腺炎的原因是什麼？

Posted By vickong pun     July 13, 2021    

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頜下腺炎的原因是什麼？

　　

　　頜下腺炎的原因是什麼？下頜下腺是混合性腺體，分泌的唾液富含黏蛋白，較腮腺分泌液黏滯，鈣的含量也高出2倍，鈣鹽容易沈積。
下頜下腺導管開自下向上走行，腺體分泌液逆重力方向流動。

導管長，在口底後部有一彎曲部，導管全程較曲折，這些解剖結構均使唾液易於淤滯，導致涎石形成。
涎石的產生使導管阻塞和狹窄，引起逆行性感染而發生下頜下腺炎。

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