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学科主题: 口腔医学
题名:
The Effect of Cultured Autologous Periodontal Ligament Cells on the Healing of Delayed Autotransplanted Dog′s Teeth
作者: Wang, Yixiang2,5; Cheung, Gary Shun-Pan1; Xu, Xiangliang3,6; Zhao, Shijie3,6; Zhang, Chengfei1,4,7
关键词: Delayed autotransplantation ; periodontal ligament ; periodontal regeneration ; replantation
刊名: JOURNAL OF ENDODONTICS
发表日期: 2010-02-01
DOI: 10.1016/j.joen.2009.09.014
卷: 36, 期:2, 页:264-267
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Dentistry, Oral Surgery & Medicine
研究领域[WOS]: Dentistry, Oral Surgery & Medicine
关键词[WOS]: MATURE PERMANENT INCISORS ; LONG-TERM ; AVULSED TEETH ; ALGINATE HYDROGELS ; STEM-CELLS ; IN-VITRO ; REPLANTATION ; PREMOLARS ; TRANSPLANTATION ; SUBSEQUENT
英文摘要:

Introduction: The regeneration of the periodontal structure for avulsed teeth extended dry times has been a goal of dentists. The aim of this study was to investigate a new strategy of delayed replantation for avulsed teeth that were not suitable for immediate replantation. Methods: Extracted dog′s premolar teeth were maintained in a dry environment for a month after isolation and proliferation of the periodontal ligament (PDL) cells. Then, tooth roots coated with 1 x 10(6) cultured autologous PDL cells were autotransplanted in artificial sockets created in the mandible. The dogs were sacrificed 60 days after transplantation. Histologic analyses showed that a root-PDL-bone complex was found in all cases of the PDL cell loaded samples. Results: The new PDL-like connective tissue was located between the alveolar bone and the transplanted roots, with fibers inserting into the newborn cementum on one end and alveolar bone on the other. For the control samples, no PDL-like tissue was found, and ankylosis was commonly observed. Conclusions: The results indicated that cultured autologous PDL cells assist in the re-establishment of periodontal architecture of autotransplanted teeth that is devoid of viable periodontal cells. (J Endod 2010;36:264-267)

语种: 英语
项目资助者: National Natural Science Foundation of China
WOS记录号: WOS:000279279400014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/54323
Appears in Collections:北京大学口腔医学院_期刊论文

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作者单位: 1.Univ Hong Kong, Fac Dent, Area Endodont, Hong Kong, Hong Kong, Peoples R China
2.Peking Univ, Res Lab Oral & Maxillofacial Surg, Sch Stomatol, Beijing 100871, Peoples R China
3.Peking Univ, Dept Oral Anat & Physiol, Sch Stomatol, Beijing 100871, Peoples R China
4.Peking Univ, Special Dent Dept, Sch Stomatol, Beijing 100871, Peoples R China
5.Peking Univ, Res Lab Oral & Maxillofacial Surg, Hosp Stomatol, Beijing 100871, Peoples R China
6.Peking Univ, Dept Oral Anat & Physiol, Hosp Stomatol, Beijing 100871, Peoples R China
7.Peking Univ, Special Dent Dept, Hosp Stomatol, Beijing 100871, Peoples R China

Recommended Citation:
Wang, Yixiang,Cheung, Gary Shun-Pan,Xu, Xiangliang,et al. The Effect of Cultured Autologous Periodontal Ligament Cells on the Healing of Delayed Autotransplanted Dog′s Teeth[J]. JOURNAL OF ENDODONTICS,2010,36(2):264-267.
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