Int J Stomatol

Inter J Stomatol ›› 2014, Vol. 41 ›› Issue (6): 643-646.doi: 10.7518/gjkq.2014.06.006

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Clinical application of an efficient root torque auxiliary arch of individual tooth

Lin Bin, Liang Jiaxing, Lin Li, Zhang Yuhua, Li Duo   

  1. Dept. of Orthodontics, The Affiliated Union Hospital, Fujian Medical University, Fuzhou 350001, China
  • Online:2014-11-01 Published:2014-11-01

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Abstract:

Objective To compare the postoperative clinical efficacy between this new root torque auxiliary arch and the conventional method which added torque on the wire where it needed and analyze the reasons. Methods Thirty patients who needed to control the movement of the root of individual tooth were randomly divided into 2 groups. Group A took conventional method which added torque on the wire where it needed, while Group B took this new root torque auxiliary arch. Then compared the rates of efficiency and the time of root movement therapy. Results There was no significant difference between these two groups in efficient rates(P>0.05). But the time of root movement therapy in Group A was (25.50±4.19) weeks, while (12.12±4.67) weeks in Group B. There showed significant differences(P<0.01). Conclusion This new root torque auxiliary arch was not only an efficient approach to the movement of the root of individual tooth, but also shortened the treatment time.

Key words: orthodontics, torque auxiliary arch, individual tooth, torque


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