Comparison of Torque Control and Anchorage Loss Using Two Different Pre-Adjusted Edgewisebracket Systems
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 6
Abstract
Predictable and controlled tooth movement is the goal of every orthodontist.Fixed appliance therapyis one of the treatment options for malocclusion During the aligning stage, the increased inter bracket span leads to faster and efficient alignment but at the same could be a disadvantage during the space closure because of the reduced arch wire bracket contact area that would lead to reduced control of the torque of the anteriors. The unique design of the mini uni-twin that incorporates an increased inter bracket span of the single width bracket but at the same has the rotational control of a double width bracket. Objectives: To compare the torque control and anchorage loss using double width brackets and mini uni twin brackets in Roth prescription. Method: Comparative study with 20 subjects (10 in each group) with Angle's Class I dento-alveolar malocclusion were randomly selected for the study. Results: The anchorage loss was comparatively similar in both. The torque control of incisor during retraction was better in double width brackets when compared to Mini Uni Twin brackets. The latter may be efficient during alignment and leveling but comparatively less efficient for torque control during the retraction of anterior teeth.
Authors and Affiliations
Anand R Krishnan, Asish R, Vinimol C
Keywords
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