Dental arch expansion appliance for 25 patients with mandibulararch stenosis showed that semi-fixed mandibular lingual arch expansion had good effect and could be used to expand mandibulararch.
对25例下牙弓狭窄患者的扩弓矫治表明，下颌舌侧半固定扩弓矫治器的扩弓效果良好。
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METHODS: Using a simple semi-fixed lingual arch combined with the edgewise technology to correct 8 cases with linguoclination or buccoclination of the mandibular molars.