1·"It was clear that while the premolar was broadly humanlike, it wasn't from a modern human," Brown recollects.
布朗回忆道：“看得很清楚，虽然那颗前臼齿大体而言像人牙，可绝不是现代人的牙齿。”
2·Last premolar of upper jaw, first molar of lower jaw.
上颚最后的一只前臼齿，下颚最前的一只臼齿。
3·Absence of a third or a fourth premolar or of one molar.
缺少一个第三或者一个第四前臼齿或者一个臼齿。
4·Absence of more than two first premolars or absence of a first and a second premolar.
缺少超过两个第一前臼齿或者一个第一和一个第二前臼齿。
1·Three-dimensional finite element analysis of the stress of the mandible premolar under loading on its traumatic occlusal spots.
下颌前磨牙创伤咬合点加载的三维有限元应力分析。
2·CONCLUSION: the no tooth area and the first premolar area of mandible in sheep is a good experimental animal model for alveolar ridge augmentation by distraction osteogenesis.
结论：山羊下颌无牙区及下颌第一前磨牙区可作为牵张成骨增高牙槽嵴新的实验动物模型。
3·Objective To construct the fine 3d model of the maxillary first premolar for finite element analyzes (FEA).
目的建立上颌第一前磨牙的精细三维模型，并最终应用于有限元分析(FEA)。
4·Abstract: Objective to investigate the canal morphology of maxillary first premolar using cone-beam ct (CBCT) and to know its generic and variant forms.
摘要目的采用锥形束ct (CBCT)探讨上颌第一前磨牙根管的解剖形态，了解其常规形态及变异形态。