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口腔白斑的自然病史不很清楚,但一般认为是癌前病变,约1%到33%发生恶变,迄今文献未报告口腔白斑的发病率.
The natural history of oral leukoplakia is not very clear, but it is generally considered as a precancerous lesion. About 1% to 33% of the patients have undergone malignant transformation. So far, the incidence of oral leukoplakia has not been reported in the literature.