"Evaluation of Friction in Orthodontics Using Various Brackets and Archwire Combinations-An in Vitro Studyā€¯
ZC33-ZC36
Correspondence
Dr. Shamsher Singh,
Reader, Department of Pedodontics and Preventive Dentistry, Vyas Dental College and Hospital, Jodhpur, India.
Phone: 9462601710, E-mail: docshamsher@gmail.com
AIM: The aim of this study was to compare frictional resistance which was produced between conventional brackets (0.022 slot Otho-Organiser) and self ligating brackets (active Forestadent and passive Damon III) by using various arch wire combinations (0.016 Niti, 0.018 Niti, 0.017 x 0.025 SS and 0.019 x 0.025 SS).
Materials and Methods: An experimental model which consisted of 5 aligned stainless steel 0.022-in brackets was used to assess frictional forces which were produced by SLBs (self ligating brackets) and CELs (conventional elastomeric ligatures) with use of 0.016 nickel titanium, 0.018 nickel titanium, 0.017 X 0.025ā€¯stainless steel and 0.019 X 0.025ā€¯stainless steel wires.
Statistical Analysis: One way ANOVA test was used to study the effect of the bracket type, wire alloy and section on frictional resistance test . Results: Conventional brackets produced highest levels of friction for all bracket/archwire combinations. Both Damon III and Forestadent brackets were found to produce significantly lower levels of friction when they were compared with elastomerically tied conventional brackets.
Conclusion: SLBs are valid alternatives for low friction during sliding mechanics.