自体牙移植是用外科的方法将自体牙在口腔内易位移植,此类移植牙具有美观、舒适、经济等特点,且治疗周期短,患者痛苦少[1]。移植牙的来源包括正畸需要减数的牙齿、多生牙、完全埋伏或即将萌出的第三磨牙等。对于第一磨牙残冠残根临床的 Autologous dental transplantation is the surgical approach to translocation of autologous teeth in the oral cavity, such a transplanted tooth is beautiful, comfortable, economical and other characteristics, and the treatment cycle is short, patients with less pain [1]. Sources of transplanted teeth include orthodontic need to reduce the number of teeth, more teeth, completely ambush or imminent eruption of the third molar and so on. For the first molars residual crown clinical