And it can cause oral cancer.

咔特还会导致口腔癌。

Oral cancer is the second serious dental problem.

口腔癌是第二大严重的牙科疾病。

Does cigar or pipe smoking also cause oral cancer?

吸雪茄或使用烟斗也能造成口腔癌吗？

To evaluate oral cancer screening by visual inspection.

评估肉眼检查在口腔癌筛查中的作用。

So could it also provide protection against oral cancer?

那么，绿茶是否也能防止口腔癌呢？