This article is to investigate the clinical effect of mild dental crowding cases applying bracketless invisible appliance by manual tooth arrangement.
本文旨在探讨应用人工排牙法制作无托槽隐形矫治器治疗轻度牙列拥挤的临床效果。
Mandibular forward growth and excess expansion of the dental arches were one of main causes of mandibular anterior crowding relapse.
下颌骨的向前生长和过度扩弓是导致下前牙拥挤复发的主要原因之一。
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