REFERENCES Archambault, A., Badawi, H., Carey, J., Flores-Mir, C., Lacoursiere, R., Major, P. W. Torque expression in stainless steel orthodontic brackets. Angel Orthodon-tist. 2010;80:201-210 Andrews, L. F., The six keys to normal occlu-sion. American Journal of Orthodontics. 1972;62:3:296-309 Fortini, A., Lupoli, M. Orthodontic treatment conceptions according to McLaughlin-Bennet-Trevisi. Virtual Journal of Orthodontics. 1998;2.3. Retrieved from http://www.vjo.it/issue-2-3/mbt01n/ Thomas, W. W. Variable torque for optimal inclination. Clinical Impression, 2009;17:1 Retrieved from http://www.ormco.com/education/clini-cal-impressions.php Special acknowledgment to Keith Batcheller from Ortho Orgnizers for his helpful technical support. Fig. 18 40 January/February 2013 JAOS
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