Objective:The purpose of this article is to study the force system that produced by multi-loop edgewise arch wire while opening the bite.

目的：对多曲方丝弓技术中打开咬合所产生的力学系统进行有限元分析，了解多曲方丝弓打开咬合时下颌中切牙牙周膜应力分布情况。

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Peek, the travel startup that provides bite-sized guides on the best things to do at travel destinations, is opening up its platform to users to share their travel experiences.

FORBES: Peek Opens Travel Suggestions Platform To Users