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首页> 外文期刊>The Journal of Prosthetic Dentistry >Immediate and early function of implants placed in extraction sockets of maxillary infected teeth: a pilot study.
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Immediate and early function of implants placed in extraction sockets of maxillary infected teeth: a pilot study.

机译：放置在上颌感染牙齿拔牙窝中的植入物的即刻和早期功能：一项初步研究。

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STATEMENT OF PROBLEM: Infection in tooth extraction sites has traditionally been considered an indication to postpone implant placement until the infection has been resolved. PURPOSE: The aim of this study was to evaluate the survival rate of immediate and early-loaded implants placed immediately after extraction of teeth with endodontic and periodontal lesions or root fracture in the maxilla. MATERIAL AND METHODS: Thirty-three patients with teeth judged to be unrestorable because of endodontic or periodontal lesions or root fracture were included in the study. After tooth extraction, 1 to 6 implants (n=76) were placed in each patient using flap or flapless surgery in fresh extraction sockets, and a fixed provisional prosthesis was placed immediately or within 36 hours. Definitive prostheses were inserted after 6 to 12 months. The treatment protocol considered initial implant and prosthesis stability and control of the inflammatory response. Clinical and radiographic analyses were performed to evaluatethe treatment outcome. Data were reported using descriptive statistics. RESULTS: After 1 year, 2 implants were lost, resulting in a 97.4% survival rate. A mean (SD) marginal bone loss of -0.91 (1.50) mm was recorded during the observation period. No signs of infection around the implants were detected at any follow-up visit. There was a tendency towards less bone loss with the flapless protocol, -0.74 (1.34) mm, versus flap, -1.02 (1.60) mm, and less bone loss for single, -0.55 (1.52) mm, versus multiple restorations, -0.86 (1.24) mm, with the flapless approach. CONCLUSIONS: A high 1-year survival rate was achieved for immediately placed and immediately/early-loaded implants in the maxilla, despite the presence of infection in the location of the extracted teeth.
机译：问题陈述：拔牙部位的感染传统上被认为是推迟植入植入物的迹象，直到感染得到解决。目的：本研究的目的是评估拔除有牙髓和牙周病损或上颌牙根部骨折的牙齿后立即和早期加载的植入物的存活率。材料与方法：本研究纳入了33例因牙髓或牙周病变或牙根骨折而无法修复的牙齿患者。拔牙后，通过瓣或无瓣手术将1至6个植入物（n = 76）放置在每个患者的新鲜拔牙窝中，并立即或在36小时内放置固定的假体。确定性假体在6到12个月后插入。治疗方案考虑了初始植入物和假体的稳定性以及炎症反应的控制。进行临床和射线照相分析以评估治疗结果。使用描述性统计报告数据。结果：1年后，丢失了2个植入物，导致97.4％的存活率。在观察期间记录的平均（SD）边缘骨丢失量为-0.91（1.50）mm。在任何随访中均未发现植入物周围感染的迹象。无瓣方案的骨丢失趋势为-0.74（1.34）mm，而无瓣方案为-1.02（1.60）mm，单层-0.55（1.52）mm的骨丢失较少，而多处修复为-0.86 （1.24）毫米，采用无襟翼方法。结论：尽管拔牙位置存在感染，但立即在上颌骨中植入和立即/早期加载的植入物可实现较高的1年生存率。

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