怎样选择矫治器,作者认为应取决于三个因素,一是治疗计划;二为患者因素;三与医师的能力有关。矫治措施有两类,即矫形方法和正牙方法。一、矫形治疗法是针对骨基质的活动,要求有一定强度的力量(几百克),力的来源,最常见于口外。其方向可能是由前向后,也可由后向前,均能影响面部的垂直生长。 How to choose the appliance, the author thinks should depend on three factors, one is the treatment plan; the second is the patient factor; the third is related to the physician's ability. There are two types of corrective measures, orthopedic methods and orthodontic methods. First, the orthopedic therapy is aimed at bone matrix activity, requires a certain strength of the strength (a few hundred grams), the source of force, the most common in the mouth. Its direction may be from the front to the back, but also from the back to front, can affect the vertical growth of the face.