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根据患者的牙根位置、恒牙胚位置等,设计个性化钛板,三维打印钛板,植入上颌骨,为前方牵引治疗提供骨性支抗.前方牵引治疗后,上颌骨明显向前生长.前方牵引中应用三维打印钛板作为支抗,可有效促进上颌骨生长.“,”The miniplate was designed and three-dimensional (3D) printed according to the positions of roots and tooth germs and then it was used as skeletal anchorage to protract the maxilla.The maxilla moved forward obviously after treatment.Custom designed and 3D printed miniplate could be used for maxillary protraction.