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介绍一种用于骨性Ⅲ类错矫治后保持的双唇弓保持器,并将其用于60例骨性Ⅲ类错患者的保持,与使用常规Hawley保持器保持的60例患者的保持效果进行比较,结果表明,双唇弓保持器用于骨性Ⅲ类错保持时,具有良好的保持效果。
A dual-lip arch cage for skeletal Class III malocclusion orthodontics was introduced and used to maintain 60 patients with skeletal Class III malocclusion and 60 patients with conventional Hawley cage The results show that the use of the double-arch cage retains the skeletal Class III malocclusion with good retention.