Fracture of Polycarbonate Edgewise Brackets: A Clinical and SEM Study

Author:

Aird J. C.1,Durning P.2

Affiliation:

1. Area Orthodontic Service, Dumfries and Galloway Health Board, Dumfries, Scotland

2. The Newcastle upon Tyne Dental Hospital, Richardson Road, Newcastle upon Tyne

Abstract

Fracture experience and fracture form of polycarbonate edgewise brackets, were assessed in a clinical study using four force controlled mechanical systems. The incidence and types of bracket fracture were investigated macroscopically and by Scanning Electron Microscopy (SEM). It was concluded that the engagement of both round and square archwires and stainless steel ligaturing were aetiological factors in bracket fracture.

Publisher

SAGE Publications

Subject

General Medicine

Cited by 13 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Adult orthodontics part 2: advances in treatment;Orthodontic Update;2014-10-02

2. Shear bond strength of an experimental composite bracket;Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie;2013-06-28

3. Comparison of Opal Self-Ligating Brackets with Manually Ligating Brackets;The Journal of Contemporary Dental Practice;2012

4. Torque Stability of Plastic Brackets Following Multiple Loading and Artificial Material Aging – an In-Vitro Comparison;Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie;2009-09

5. Current Products and Practice;Journal of Orthodontics;2005-06

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