A Neanderthal dentist manipulated a sharp stone to drill decay out of an infected tooth 59,000 years ago, more than 40,000 years before the first evidence of modern humans carrying out primitive dentistry, according to a study in Russia.
一项在俄罗斯进行的研究指出,早在5.9万年前,一名尼安德特人“牙医”就已用一块锋利的石头钻除一颗感染牙齿中的龋坏,比目前已知最早的智人进行原始牙科治疗的证据还要早四万多年。
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