Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Department of Oral and Maxillofacial Surgery, German Armed Forces Hospital, Hamburg, Germany.
Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
J Craniomaxillofac Surg. 2017 Nov;45(11):1898-1905. doi: 10.1016/j.jcms.2017.08.017. Epub 2017 Aug 23.
Immediate loading of dental implants has been evolving into an appropriate procedure for the treatment of partially edentulous jaws. The purpose of this study was to evaluate the clinical success and radiological outcome of immediately and delayed loaded dental implants in anterior and premolar sites.
In this retrospective study, data of 163 individuals requiring tooth removal with subsequent implant placement in anterior and premolar sites were analyzed. Implants were immediately loaded by provisional acrylic resin bridges or loaded with delay. Implants were followed up annually for up to 9 years including intraoral radiographs.
A total of 285 implants in 163 patients were placed. 218 implants were immediately loaded and 67 implants with delay. Fifteen implants failed during the follow-up period resulting in survival rates of 94.5% for immediate loading and 95.5% for delayed loading. After an initial decrease of 0.3 mm in the first 12 months the marginal bone level remained stable. No statistically significant differences were found in marginal bone loss between immediately and delayed loaded implants (P = 0.518, 95% CI).
Within the limits of this study, immediate loading of immediately subcrestally placed dental implants in anterior and premolar sites is a reliable treatment option for dental rehabilitation.
牙种植体的即刻负载已逐渐发展成为治疗部分无牙颌的一种合适方法。本研究旨在评估即刻和延迟加载在前牙和前磨牙部位的牙种植体的临床成功率和影像学结果。
在这项回顾性研究中，分析了 163 名需要拔牙并随后在前牙和前磨牙部位植入种植体的个体的数据。种植体通过临时丙烯酸树脂桥即刻负载或延迟负载。种植体在 9 年内每年进行随访，包括口腔内射线照相。
共放置了 285 个种植体，其中 218 个即刻负载，67 个延迟负载。在随访期间，有 15 个种植体失败，因此即刻负载的存活率为 94.5%，延迟负载的存活率为 95.5%。在最初的 12 个月内，边缘骨水平下降了 0.3 毫米，之后保持稳定。即刻负载和延迟负载的边缘骨丢失之间没有统计学上的显著差异（P=0.518，95%CI）。
在本研究的范围内，在前牙和前磨牙部位即刻负载即刻位于牙槽嵴下的牙种植体是一种可靠的牙科修复治疗选择。
