双尖牙又叫前磨牙、前臼齿。双尖牙挨着尖牙，每个尖牙边上有2颗，上下左右共8颗。
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方法牙颈部开髓塑化治疗双尖牙颈部损伤并发牙髓炎。
Mehods In the neck of tooth odontotolomy and resinfying therapy were applied to treat secondary pulpitis of bicuspid with neck lesion .
本文介绍了激光实时全息法用于双尖牙受力分析的研究。
Study of the stress distribution of premolar under loading by laser real time holographic method is introduced in this paper.
下牙弓变化中，第二双尖牙间和磨牙间宽度增加有显著性差异。
In addition, the changes of width between second bicuspid and mandibular molars showed statistical significances.
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