A Chinese girl has become the first person born without an upperjawbone to have full successful reconstructive surgery, according to reports from China.
一名中国女孩儿成了上颌骨缺失的第一人。据来自中国的报道，她接受的骨骼再造手术获得了圆满成功。
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Wang Na was born with no upperjawbone or teeth, making eating and speaking very difficult.
王娜天生就没有上颌骨和牙齿，这使得她吃东西和讲话都很吃力。
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The upperjaw is called the maxilla and is joined to the temporal bone.