为探索混合式直丝弓矫治器治疗前牙反牙合的有效性，采用磨牙颊面管和双尖牙托槽固定在牙合垫的颊面，使牙合垫和直丝弓矫治器合二为一而成混合式直丝弓矫治器。
In order to explore the effect of the compound straight wire appliance on the correction of anterior cross-bite, molar buccal tubes and bicuspid brackets were fixed in the buccal side of occlusal pad.
根据手掌血管构成的特殊性，将断掌分为四个类型，即掌指动脉型、掌弓动脉型、掌弓主干型及混合型。
According to characteristics of palmar vessels and bones, amputation of palm can be divided into 4 clinical types, which are common digital vessel, palmar arch, common branch and mixed palmar type.
根据手掌血管构成的特殊性，将断掌分为四个类型，即掌指动脉型、掌弓动脉型、掌弓主干型及混合型。
According to characteristics of palmar vessels and bones, amputation of palm can be divided into 4 clinical types, which are common digital vessel, palmar arch, common branch and mixed palmar type.
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