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目的:分析儿童再植牙的预后及影响预后的相关因素。方法:对2004～2008年在南京医科大学附属口腔医院儿童牙科就诊的42例儿童患者中的48颗完全脱位恒牙再植的完整病历资料进行回顾性研究并用确切概率法进行统计学分析。结果:牙髓愈合的发生率为8.3%,牙周膜愈合的发生率为25.0%;离体时间、离体牙保存方式与再植牙预后具有显著相关性。托槽弓丝与钢丝树脂夹板两种固定方式、牙根发育状况对牙周组织愈合不产生显著影响。结论:适当方式保存离体牙、尽快完成再植、功能性方式固定、适时进行牙髓治疗是儿童外伤全脱位恒牙再植预后的重要因素。
OBJECTIVE: To analyze the prognosis of children’s replantation and the related factors that influence the prognosis. Methods: A total of 48 complete dislocation permanent teeth replantation cases in 42 pediatric patients from 2004 to 2008 in Department of Stomatology, Affiliated Stomatology Hospital of Nanjing Medical University were retrospectively studied and statistically analyzed with exact probability method. Results: The incidence of dental pulp healing was 8.3%, and the incidence of periodontal ligament healing was 25.0%. There was a significant correlation between in vitro time, in vitro preservation and prognosis of replantation. Bracket arch wire and steel wire splint two ways of fixation, root development did not have a significant effect on the healing of periodontal tissue. Conclusion: It is an important factor for the prognosis of pediatric complete dislocation of permanent teeth that the appropriate way to save the isolated teeth, to complete the replantation as soon as possible, to have the functional means fixed and timely dental pulp treatment.