A Obaidi, Hussain, and Omar Sabah. “Evaluation of Tipping, Rotation and Rate of Space Closure Rate of Canine Retraction by Friction Less Orthodontic Techniques (An In Vitro Study)”. Al-Rafidain Dental Journal 6, no. 3 (December 1, 2006): 30–37. Accessed January 12, 2026. https://rden.uomosul.edu.iq/index.php/rden/article/view/34754.