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AngleⅡ类错治畸形是比较常见的一类畸形。在正畴中最好是通过！类牵引达到中性给。但对成人来讲因磨牙希关系已建立，尖窝咬黯很紧.若通过巨类牵引很难达到理想想，即使应用颌间牵引改变磨牙咬给关系，可能影响咀嚼功能，甚至引起源颌关节功能紊乱，停止治疗又易复发。如果采
Angle Ⅱ class malformations deformity is a more common type of deformity. In the domain is the best through! Class traction to neutral to. However, due to the relationship between adults and adults, the spine bite is very tight, and if it is hard to reach the ideal through the giant traction, even if the application of intermaxillary traction changes the molar bite, it may affect the masticatory function and even cause the source jaw Joint dysfunction, stop treatment and easy to relapse. If mining