"Few photographs exist of Mao Zedong's teeth. According to his doctor Li Zhisui, Mao never brushed his teeth, which were coated with a green patina. Mao's habit, shared by many peasants in China, was to wash his mouth in the morning with tea and then chew tea leaves. When, once, Dr. Li suggested to him that he should use a toothbrush, Mao's reply was, ""A tiger never brushes his teeth."""
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