Conclusion Corticotomy - facilitated orthodontics is an effective method to correct the collapsed arch and severe posterior lockbite.

结论牵张成骨术配合正畸力是一种解决牙弓塌陷和后牙锁牙合等正畸疑难病例的有效方法.

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Methods After performing a corticotomy under general anesthesia, the posterior lockbitex was resolvent using orthodontic elastics.

方法对后牙严重锁牙合患者,在全麻下采用骨皮质切开术, 术后配合正畸力牵引矫治.

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