Chung Ming-Pang, Wang Su-Shin, Chen Chih-Ping, Shieh Yi-Shing
Department of Operative Dentistry and Endodontics, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2010 Feb;109(2):e126-30. doi: 10.1016/j.tripleo.2009.09.014. Epub 2009 Dec 6.
Teeth with traumatic crown-root fractures extending subgingivally and involving the entire width of the tooth may have problems in endodontic isolation, periodontal maintenance, and restoration. A number of techniques, such as crown lengthening, and orthodontic or surgical extrusion, have been described for treatment of crown-root fractures. However, all of these techniques have limitations in terms of the extended time required for treatment, cost, and esthetic considerations. Intra-alveolar transplantation is an alternative treatment option in the management of complicated crown-root fractures. We describe a case of intra-alveolar transplantation with 180( degrees ) rotation and suture fixation. At 1-year follow-up, the replanted tooth has normal function and no obvious inflammatory root resorption on radiographic examination.
冠根折裂延伸至龈下且累及牙齿全宽的牙齿，在牙髓隔离、牙周维护及修复方面可能会出现问题。已有多种技术，如牙冠延长术、正畸或外科牙根牵引术，被描述用于治疗冠根折裂。然而，所有这些技术在治疗所需的延长时间、成本及美学考量方面均存在局限性。牙槽内移植是治疗复杂冠根折裂的一种替代治疗选择。我们描述了一例采用180度旋转及缝合固定的牙槽内移植病例。在1年的随访中，再植牙功能正常，影像学检查未见明显的炎性牙根吸收。
