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山东大学学报 (医学版) ›› 2020, Vol. 58 ›› Issue (8): 115-119.doi: 10.6040/j.issn.1671-7554.0.2020.0966

• • 上一篇    

47例撕脱性损伤恒牙再植后牙根吸收的影响因素分析

韩婷1,2, 杜菁3, 于佳莉2,4, 郑文舟2,4, 王燕2,4   

  1. 1. 山东大学齐鲁医学院口腔医学院·口腔医院急诊科, 山东 济南 250012;2. 山东省口腔组织再生重点实验室 山东省口腔生物材料与组织再生工程实验室;3. 四川大学华西口腔医院牙体牙髓科, 四川 成都 610041;4. 山东大学齐鲁医学院口腔医学院·口腔医院特诊科, 山东 济南 250012
  • 发布日期:2020-08-07
  • 通讯作者: 王燕. E-mail:wangyan1965@sdu.edu.cn

Factors influencing root resorption after replantation of avulsed permanent teeth: a report of 47 teeth

HAN Ting1,2, DU Jing3, YU Jiali2,4, ZHENG Wenzhou2,4, WANG Yan2,4   

  1. 1. Department of Emergency, School and Hospital of Stomatology, Cheeloo College of Medicine, Jinan 250012, Shandong, China;
    2. Shandong University &
    Shandong Key Laboratory of Oral Tissue Regeneration &
    Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration;
    3. Department of Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China;
    4. Department of VIP Center, School and Hospital of Stomatology, Cheeloo College of Medicine, Jinan 250012, Shandong, China
  • Published:2020-08-07

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摘要： 目的 总结撕脱性损伤恒牙的就诊特点,分析患牙再植后牙根吸收的影响因素。 方法 选择2017年1月至2018年12月因外伤导致恒牙撕脱性损伤前来山东大学口腔医院急诊科就诊的患者35例( 47颗患牙),记录其临床信息,对脱位牙行牙再植术及松牙固定术,并进行至少1年的随访,观察患牙1年内牙根吸收的情况。 结果 (1)47颗患牙中20颗发生牙根吸收,牙根吸收的发生率为42.6%;(2)在1 h内完成牙再植的患牙7颗,牙根吸收的发生率为0.0%(0颗),低于1 h后再植的患牙(40颗,牙根吸收发生率为50%),差异有统计学意义(P=0.015);(3)根尖孔闭合的患牙牙根吸收的发生率为32.3%,低于根尖孔未闭合的患牙(62.3%),差异有统计学意义(P=0.047);(4)保存于唾液中的患牙(17颗)牙根吸收的发生率为17.6%,低于保存在生理盐水中(11颗,牙根吸收发生率为63.3%,P=0.020)和干燥保存(11颗,72.7%,P=0.006)的患牙,后两者无明显差异。 结论 患牙体外时间及保存介质是影响撕脱性损伤恒牙再植后牙根吸收的重要因素;缩短体外时间,有效保存患牙,能明显降低患牙再植后牙根吸收的发生率。

关键词: 撕脱性损伤, 牙再植, 牙根吸收, 牙髓摘除

Abstract: Objective To summarize the clinical characteristics of avulsed permanent teeth and to analyze the factors influencing root resorption after implantation. Methods A total of 35 patients with 47 avulsed permanent teeth due to trauma were enrolled in this study. The avulsed teeth were replanted during 2017 and 2018 in the Hospital of Stomatology, Shandong University. All cases were followed up regularly for more than 1 year. Results (1) Root resorption was observed in 20(42.6%)teeth during the follow-up. (2) For the 7 teeth replanted within 1 hour after avulsion, the rate of root resorption was 0.0%, while for the 40 teeth replanted more than 1 hour after avulsion, the rate of root resorption was 50%, and the difference was significant(P=0.015). (3) The rate of root resorption was significantly lower in mature cases(32.3%)than in immature cases(62.3%)(P=0.047). (4) Teeth stored in saliva(n=17)had a lower rate of resorption(17.6%)than teeth stored in normal saline(n=11, 63.3%, P=0.020)or in dry medium(n=11, 72.7%, P=0.006), and there was no difference between the latter two media. Conclusion The time elapsed from the socket and storage medium play an important role in improving the periodontal healing of avulsed teeth. Replanting the avulsed teeth in time and storing them in appropriate medium can significantly reduce the rate of root resorption.

Key words: Avulsion, Tooth replantation, Root resorption, Pulpectomy

中图分类号: 

  • R781
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