Tidy D C
Dundee Dental Hospital.
Am J Orthod Dentofacial Orthop. 1989 Sep;96(3):249-54. doi: 10.1016/0889-5406(89)90462-9.
The aim of this investigation was to measure the frictional resistance to bodily tooth movement along, a continuous arch wire. A fixed appliance was constructed in vitro to simulate tooth movement in a previously aligned arch. The effect of load, bracket width, slot size, arch wire size, and material were studied. It was found that friction was proportional to applied load and inversely proportional to bracket width. Arch wire dimension and slot size had little effect. Nitinol and TMA (beta-titanium) arch wires produced frictional forces two and five times greater than those of stainless steel.
本研究的目的是测量沿连续弓丝进行牙齿整体移动时的摩擦阻力。在体外构建了一个固定矫治器，以模拟在先前排齐的牙弓中牙齿的移动。研究了载荷、托槽宽度、槽沟尺寸、弓丝尺寸和材料的影响。结果发现，摩擦力与施加的载荷成正比，与托槽宽度成反比。弓丝尺寸和槽沟尺寸影响较小。镍钛合金和TMA（β钛合金）弓丝产生的摩擦力分别比不锈钢弓丝大两倍和五倍。
