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作者介绍了一种使用方丝的片段弓矫治器来矫治上颌腭侧阻生尖牙的技术。 矫治初期弓丝由带有固位曲,调整曲和牵引曲的
The authors describe a technique using a square wire segment appliance to correct maxillary palatal incontinence. The initial treatment of arch wire with a fixed song, tune the song and traction song