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DENTAL SCIENCE - REVIEW ARTICLE
Year : 2015  |  Volume : 7  |  Issue : 6  |  Page : 334-338

Friction in orthodontics


1 Department of Orthodontics, Indira Gandhi Institute of Dental Sciences, Kothamangalam, Ernakulam, Kerala, India
2 Department of Conservative and Endodontics, Indira Gandhi Institute of Dental Sciences, Kothamangalam, Ernakulam, Kerala, India

Correspondence Address:
Dr. Hemant Nandan
Department of Orthodontics, Indira Gandhi Institute of Dental Sciences, Kothamangalam, Ernakulam, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0975-7406.163439

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Conventional wisdom suggests that resistance to sliding (RS) generated at the wire-bracket interface has a bearing on the force transmitted to the teeth. The relative importance of static and kinetic friction and also the effect of friction on anchorage has been a topic of debate. Lot of research work has been done to evaluate the various factors that affect friction and thus purportedly retards the rate of tooth movement. However, relevancy of these studies is questionable as the methodology used hardly simulates the oral conditions. Lately studies have concluded that more emphasis should be laid on binding and notching of archwires as these are considered to be the primary factors involved in retarding the tooth movement. This article reviews the various components involved in RS and the factors affecting friction. Further, research work should be carried out to provide cost effective alternatives aimed at reducing friction.


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