临床牙氟中毒的特征是牙腐蚀和损斑。
Clinical dental fluorosis is characterized by staining and pitting of the teeth.
其结果是，许多人患有各种不同病症，轻则牙氟中毒，严重者致残性氟骨症。
As a result, many suffer conditions ranging from mild dental fluorosis to crippling skeletal fluorosis.
目的观察慢性氟中毒对小鼠切牙成釉细胞骨形成蛋白- 2 (BMP - 2)表达的影响，探讨氟斑牙的致病机制。
Objective To investigate the expression of BMP-2 in mice incisor enamel organ cells under chronic fluoride exposure and elucidate the mechanism of dental fluorosis.
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