2Chen J, Markham DL, Katona TR. Effects of T-loop geometry on its forces and moments. Angle Orthod,2000;70(1):48.
3Kuhlberg AJ, Burstone CJ. T-loop position and anchorage control. Am J Orthod Dentofacial Orthop,1997;112(1):12.
4Hoenigl KD, Freudenthaler J, Marcotte MR. The centered T-loop-a new way of preactivation. Am J Orthod Dentofacial Orthop,1995;108(2):149.
5Graber TM, Vanarsdall RL. Orthodontics: current principles and techniques. 3rd ed. London: Mosby,2000:234 270.
6Wainwright WM. Faciolingual tooth movement: its influence on the root and cortical plate. Am J Orthod,1973;64(4):278.
7Odegaard J,Meling T, Meling E. The effects of loops on the torsion stiffnesses of rectangular wires: an in vitro study. Am J Orthod,1996;109(5):496.
8Meling TR, Odegaard J, Meling EO. On mechanical properties of square and rectangular stainless steel wires tested in torsion. Am J Orthod,1997;111(3):310.
9Charies JB,Bai Q,John YM.Chinese NiTi wire-A new orthodontic alloy.Am J Orthod,1985,87:445-452.
10Kim YH.Anterior openbite and its treatment with multiloop edgewise archwire.Angle Orthod,1987,57:290-321.