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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方法免疫组化s - P法检测基质金属蛋白酶MMP - 2在成釉细胞瘤中的表达和分布。

Methods to detect the expression and site of matrix metalloproteinase-2 (MMP-2) in ameloblastoma suing S-P immunohistochemistry.

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