不吸烟,不喝酒的,平时也挺注意饮食卫生的,并且早晚刷牙。但是,最近发觉牙齿,门牙上几颗出现了一条条的黑斑,并且有向邻近的牙齿传播的趋向,非常不雅观!这是为什么啊?请专家分析!

热心网友

這有???可能﹕(1)牙齒清??的人﹐ 常在齒齦?ι弦缓撩椎难扩o 出現了新?代謝的黑斑﹔?⒖济?晃谎泪t的網站 ﹕ (2) 服用鐵質補充?┮皓r 可?⒖济?又莅乜巳R大?W一些病例﹕ Newsletter for University of California parents (3 ) 服用 四環素 (Tetracycline ) 引起﹕ 初期只是有?\黃﹑褐...

热心网友

這有???可能﹕(1)牙齒清??的人﹐ 常在齒齦?ι弦缓撩椎难扩o 出現了新?代謝的黑斑﹔?⒖济?晃谎泪t的網站 ﹕ (2) 服用鐵質補充?┮皓r 可?⒖济?又莅乜巳R大?W一些病例﹕ Newsletter for University of California parents (3 ) 服用 四環素 (Tetracycline ) 引起﹕ 初期只是有?\黃﹑褐色﹑而慢慢?成灰色﹑深灰色或藍色﹐最後?成灰黑色。?⒖?D片﹐?看百翰?? (4) 鐵的硫化物造成黑斑﹕ 由于唾液中的鐵質﹐碰上口腔裡某種?菌所產生的?淞蚧铹o結合成?? 鐵的硫化物﹐因而造成黑斑。 ?⒖济??裔t?W?D?^資料?飑s“An investigation has been carried out into the nature of the black pigment in black extrinsic tooth stain. The results suggest that the black material is a ferric salt, probably ferric sulfide, formed by the reaction between hydrogen sulfide produced by bacterial action and iron in the saliva or gingival exudate. ” (5) 喝咖啡﹑茶也?斐珊稚胶谏难腊??⒖? “Coffee and tea cause severe, tenacious discoloration’s, usually brown to black.Extrinsic stains are usually removed during a standard prophylaxis.”?有其他各種外在的或本體?鹊脑颟o最好?是找牙醫去?理。