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International Dental Journal of Student Research

“Keles transpalatal arch for molar derotation”- Clinical discussion

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Author Details : Devaki Vijayalakshmi, Saloni Garg, Ratna Parameswaran, Srinivasan Boovaraghavan

Volume : 5, Issue : 4, Year : 2017

Article Page : 109-112

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Aim: The aim of the article is to describe the effect of Keles Trans Palatal Arch (TPA) on unilateral and bilateral molar rotation illustrated with two case reports.
Method: Unilateral and bilateral maxillary first permanent molars de-rotation were performed in two cases using Keles appliance system which consists of the precision lingual hinge cap and TPA made of TMA wire. (0.032 × 0.032") (Ormco, Orange, CA). A 20 degree activation is given to the rotating part/terminal end(s) of the TPA every fourth week until rotation is completely corrected. The de-rotation achieved and change in the intermolar width are assessed using digital cast analysis performed by Ilexis FACAD (AB-2014 version 3.8.00) software and by comparing the pre and post maxillary occlusal radiographs with marker wires.
Result: Pre and post values showed that the de-rotation is achieved in both cases. Inter-molar width showed no significant changes in both cases, suggestive of minimal/no expansion.
Conclusion: The Keles TPA resulted in better transverse molar control during molar de-rotation owing to its superior precision self-locking design. When Keles TPA is used in correction of unilateral molar rotation, it causes successful de-rotation on the affected side and minimum or no changes on the unaffected side

Doi : 10.18231/2278-3784.2017.0004

How to cite : Vijayalakshmi D, Garg S, Parameswaran R, Boovaraghavan S, “Keles transpalatal arch for molar derotation”- Clinical discussion. Int Dent J Stud Res 2017;5(4):109-112

Copyright © 2017 by author(s) and Int Dent J Stud Res. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NC 4.0) (