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What kind of dental materials will lead to cancer?

　　Internationally renowned dental experts say, failure is not regular dental materials, may lead to toxic dental materials, gums, alveolar bone loss was led to gum disease. And many small lesions longer incubation period, once the display will be turned into gum cancer and other incurable oral disease. So need to go to a regular dental dental hospital, select a more appropriate dental materials in order to avoid the appearance of cancer.

原文翻譯如下：