【摘要】 1例单侧发生的第二磨牙近中阻生,在不拔除第三磨牙及不使用种植支抗的条件下,利用带环附推簧并配合全口固定矫治器,最终简单高效地完成第二磨牙的直立。更多还原

【Abstract】 This report presents a case of unilateral mesially impacted mandibular second molar, which was uprighted without extraction of third molar and with the micro-titanium screw for anchorage. The treatment with fixed appliance, orthodontic band and orthodontic spring is simple and effictive.更多还原