patient of 9 years 2 months, the reason for consultation is presented: "check the status of my teeth" is diagnosed as class II skeletal, hyperdivergent, class II right molar, Class I left molar, class II right canine Class I left canine mild crowding, bilateral posterior cross bite, maxillary collapse. Nail biting habits and mouth breathing. Treatment consisted of rapid maxillary expansion, obtaining the molar and canine Class I bilateral, correction of overjet and overbite, deciduous teeth extraction, alignment, leveling, detailed and retention. The appliance type used was hyrax expander with vestibular screens, brackets prescription, roth .022 x .028, bands and tubes punteables upper and lower 6s. Retention held by upper and lower circumferential retaining the active treatment time was 2 years 8 months.
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机译：9岁2个月的患者，出现咨询的原因是：“检查我的牙齿状况”被诊断为II类骨骼，过度散布，II类右磨牙，I类左磨牙，II类右犬，I类左犬轻度拥挤，双侧后交叉咬，上颌塌陷。指甲咬人的习惯和口呼吸。治疗包括快速上颌骨扩张，获得第一类臼齿和犬类双侧牙齿，矫正过喷射和咬合，乳牙拔除，对齐，找平，保持细节。使用的器具类型为带前庭筛网的hyrax膨胀器，方括号处方，罗斯.022 x .028，带子和管子可上，下6 s的点子。保留上，下周缘保留的积极治疗时间为2年8个月。
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