The biological anthropologist Christy Turner is an expert in the analysis of changing physical characteristics in human teeth.
生物人类学家克里斯蒂·特纳是分析人类牙齿的物理特性变化的专家。
Usually, age is determined by physical characteristics, such as teeth or bones.
通常说来，年龄是通过生理特征确定的，譬如牙齿或骨骼。
Objective To summarize the X ray characteristics of embedded anterior maxillary teeth.
目的总结上颌前牙埋伏阻生的X线影像特点。
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