后牙区短种植体（≤6 mm）单冠修复3~5年临床效果评价

doi:10.19438/j.cjoms.2019.03.009

中国口腔颌面外科杂志 ›› 2019, Vol. 17 ›› Issue (3): 235-239.doi: 10.19438/j.cjoms.2019.03.009

后牙区短种植体（≤6 mm）单冠修复3~5年临床效果评价

莫嘉骥, 乔士冲, 张枭, 朱钰, 张晓梦, 史俊宇, 钱姝娇, 赖红昌

上海交通大学医学院附属第九人民医院·口腔医学院口腔种植科,国家口腔疾病临床医学研究中心, 上海市口腔医学重点实验室,上海市口腔医学研究所,上海 200011

收稿日期:2018-11-01 修回日期:2019-01-27 出版日期:2019-05-20 发布日期:2019-06-21
通讯作者: 乔士冲,E-mail：brisoco@139.com
作者简介:莫嘉骥（1983-）,男,硕士研究生,主治医师,E-mail: pindborg@sina.com
基金资助:
国家自然科学基金（81470782、8177116）

Clinical outcomes over 3-5 years of short implant(≤6 mm) supporting single crown in posterior jaws

MO Jia-ji, QIAO Shi-chong, ZHANG Xiao, ZHU Yu, ZHANG Xiao-meng, SHI Jun-yu, QIAN Shu-jiao, LAI Hong-chang

Department of Implant Dentistry, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology. Shanghai 200011, China;

Received:2018-11-01 Revised:2019-01-27 Online:2019-05-20 Published:2019-06-21

摘要/Abstract

摘要： 目的: 评价后牙区短种植体支持单冠修复的临床效果。方法: 收集随访时间为3~5年的118颗短种植体（骨内长度≤6 mm）支持单冠修复体的临床和影像学数据。评价指标为种植体留存率、种植体周围骨吸收、技术并发症和生物学并发症,同时分析种植体失败的相关因素。采用 SPSS 17.0 软件包对数据进行统计学分析。结果: 总计9颗种植体和15颗修复体失败。种植体5年累积留存率为92.4%。在Ⅳ类骨中植入短种植体失败率高于Ⅰ~Ⅲ类骨,其留存率为80.0%,修复体5年留存率为94.9%。在最终牙冠戴入后至5年随访时的平均骨吸收为（0.63±0.68）mm,边缘骨吸收在第1年为（0.63±0.10）mm。9颗（7.6%）种植体发生生物学并发症,15颗（12.7%）种植体发生技术并发症。结论: 短种植体支持单冠修复3~5年留存率高,未见严重的边缘骨吸收和并发症,在垂直骨高度不足时是可选择的治疗方案。短种植体的长期临床效果有待观察,在Ⅳ类骨中植入仍需谨慎。

关键词: 并发症, 种植体, 短种植体, 单冠, 留存率分析

Abstract: PURPOSE: To evaluate the clinical and radiographic outcomes over 3-5 years of short implants supporting single crown in the posterior jaws. METHODS: The clinical and radiographic data of 118 short implants(intra-bony length≤6 mm) supporting single crown were collected 3-5 years after restoration. Implant and prosthesis failures, peri-implant marginal bone loss, biological and technical complications were evaluated. The influencial factors on implant failure were also evaluated. The data were analyzed using SPSS 17.0 software package. RESULTS: Nine implants and 15 protheses failed. The 5-year cumulative survival rate was 92.4%. The short implant placed in type Ⅳ bone yielded more failure than in typeⅠ-Ⅲ and presented a survival rate of 80%. The mean marginal bone loss between crown installation and the 5th year follow-up visit was (0.63±0.68)mm. The marginal bone loss in the first year was (0.63±0.10)mm, without significant difference. Nine(7.6%) implants were exposed to biological complications, whereas 15 (12.7%) implants suffered from technical complications. CONCLUSIONS: High survival rates could be achieved over 3-5 years for short implants supporting single crown. However, long term outcomes of short implants is still scarce and caution should be taken when short implants are planned at the type Ⅳ bone.

Key words: Complications, Dental implant, Short implant, Single crown, Survival rate analysis

中图分类号:

R782.1

莫嘉骥, 乔士冲, 张枭, 朱钰, 张晓梦, 史俊宇, 钱姝娇, 赖红昌. 后牙区短种植体（≤6 mm）单冠修复3~5年临床效果评价[J]. 中国口腔颌面外科杂志, 2019, 17(3): 235-239.

MO Jia-ji, QIAO Shi-chong, ZHANG Xiao, ZHU Yu, ZHANG Xiao-meng, SHI Jun-yu, QIAN Shu-jiao, LAI Hong-chang. Clinical outcomes over 3-5 years of short implant(≤6 mm) supporting single crown in posterior jaws[J]. China J Oral Maxillofac Surg, 2019, 17(3): 235-239.

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后牙区短种植体（≤6 mm）单冠修复3~5年临床效果评价

Clinical outcomes over 3-5 years of short implant(≤6 mm) supporting single crown in posterior jaws

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