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《Journal of Harbin Medical University》 2007-04
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Formula of friction forces for orthodontics

ZHOU Shan,LU Xiao-li,HAN Jing-ying,et al (Department of Orthodontic,The Second Clinical College,Harbin Medical University,Harbin 150081,China)  
Objective To deduce the formula of friction forces for orthodontics.Methods Brackets(0.56mm)and archwires(0.41mm Australian) were tied together and move it slowly with forces so both of them can slide relatively.Data showed on the oscilloscope were recorded and used for deducing the formula of friction forces.Results The formula based on our tests was Ffri=μf=G1-αG2α-1. Conclusion The formula is suitable and useful for brackets and arches of orthodontics.
【CateGory Index】: R783.5
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Chinese Journal Full-text Database 5 Hits
1 QU Hong1,TAN Jun2,SONG Yang1(1.School of Stomatology,Dalian Medical University,Dalian 116044,China;2.Departmen of Stomatology,the Second Afflicated Hospital of Dalian Medical University,Dalian 116027,China);Changes in surface frictional forces and surface topography of orthodontic NiTi archwires in different phase[J];Journal of Dalian Medical University;2011-03
2 Zhang Xiao-yan.(Department of Orthodontics,The Second People's Hospital of Wuxi,Wuxi 214000,China);Periodontal implication of self-ligation brackets[J];Stomatology;2008-10
3 LUO Xiao-an,ZHENG Xiao-dan,LIN Shan.Department of Orthodontics,Xiamen Stomatological Hospital,Fujian 361003,China;The changes in surface frictional forces of rectangular SS archwires used in the anteriorteeth-retraction period[J];Journal of Clinical Stomatology;2007-07
4 DAI Hongwei,et al Department of Orthodontics,the Affiliated Hospital of Stomoatology,Chongqing Medical University;Comparison Damon3TM brackets and conventionally-ligated brackets in treatment efficiency[J];Journal of Chongqing Medical University;2007-05
5 PENG Hui,WANG Hong-yan,HOU Jing-qiu. Department of Orthodontics,Daqing Oil Field General Hospital,Daqing 163001,China;The comparative analysis of treatment for moderate to severe dental crowding with Clippy self-ligating system and OPA-K straight wire system[J];Chinese Journal of Practical Stomatology;2010-06
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