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vickong pun
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四環素類藥物何時影響兒童的牙齒？

Posted By vickong pun     July 9, 2021    

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四環素類藥物何時影響兒童的牙齒？

　　四環素類藥物何時影響兒童的牙齒？四環素類藥物對牙齒的影響與牙齒的發育鈣化時間關係密切。
乳牙：乳牙牙冠在胚胎4個月時逐漸鈣化，因此妊娠4個月後用四環素類藥物可使乳牙著色。
恒牙：恒牙鈣化在嬰兒1歲左右，故此時服用四環素類藥物可使恒牙著色。

為了預防兒童患“四環素牙”，請妊娠和授乳的婦女以及8歲以前的兒童避免使用四環素類藥物。
一旦患了“四環素牙”，最好請牙科醫生治療。

                    

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