应用前方牵引器治疗骨性反合日本亚历山大矫正研究会黑田康子安氏Ⅲ类错是临床上较常见的错畸形，也是比较难矫治的错类型。对其矫治的原则和方法，因患者所处的年龄阶段及颌面形态特征的不同而各有不同。首先，是关于乳牙期前牙反的矫治原则。我认为，很多乳前牙反，不单... Application of the front traction device for the treatment of bony anti-Japan's Alexander Research Association Kuroda Kuroko Class III error is clinically more common malformations, but also more difficult to correct the wrong type. The principles and methods of its correction, due to the patient's age and maxillofacial morphology characteristics vary. First of all, it is the principle of orthodontics on the anterior teeth of deciduous teeth. I think a lot of milk before the anti-tooth, not only ...