Tulley W J
Am J Orthod. 1980 Mar;77(3):241-57. doi: 10.1016/0002-9416(80)90080-9.
Timing of treatment is one of the main themes. The development of orthodontics in the United Kingdom is described against the background of a state-funded system. The scope and limitations of extraction therapy and removable appliance therapy are discussed. The principles of functional appliances are also described, as is the need for flexibility in appliance systems, to bring about maximum effect.
治疗时机是主要主题之一。在国家资助体系的背景下描述了英国正畸学的发展。讨论了拔牙疗法和可摘矫治器疗法的范围及局限性。还介绍了功能性矫治器的原理，以及矫治器系统灵活性的必要性，以实现最大效果。
