Previous research has shown the drink to be useful in the prevention of other mouth diseases such as caries and periodontal disease, which are also risk factors for oral cancer.
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- 之前的研究已经证明,绿茶对防治其它口腔疾病确实有用,如龋齿、牙周病等,而这些口腔疾病也是导致口腔癌的危险诱因。