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首页> 外文期刊>The Journal of Prosthetic Dentistry >Five-year results of implants with an oxidized surface placed predominantly in soft quality bone and subjected to immediate occlusal loading.
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Five-year results of implants with an oxidized surface placed predominantly in soft quality bone and subjected to immediate occlusal loading.

机译：具有氧化表面的植入物主要放置在软质骨中并受到即时咬合负荷的五年结果。

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STATEMENT OF PROBLEM: Numerous studies have demonstrated the feasibility and predictability of immediate implant loading or immediate implant restoration. However, most of these studies report primarily short-term outcomes. PURPOSE: The purpose of this prospective clinical study was to document the 5-year outcome of immediate occlusally loaded implants with an oxidized, microtextured surface placed to support fixed prostheses in various regions of the jaws. MATERIAL AND METHODS: Thirty-eight patients received a total of 51 implant-supported fixed prostheses, 29 mandibular and 22 maxillary, the day of implant insertion. Thirty were fixed partial dentures (FPDs), 20 replaced single teeth, and 1 was a fixed mandibular complete denture. The restorations were supported by 102 slightly tapered, screw-type implants, the majority of which were placed in posterior regions (88%) and primarily in soft bone quality (76%). Patients with ongoing signs of parafunctional habits were not included. All implants were placed using conventional flap procedures. Treatment with local regenerative procedures in connection with implant placement was accepted within the study design. Resonance frequency implant stability measurements and marginal periimplant soft tissue evaluations were conducted. Radiographic examinations were performed at the time of prosthesis insertion, at 1-and 6-month follow-ups, and annually at the 1- through 5-year follow-up visits. This report presents the results after 5 years of loading, summarized with descriptive statistics. RESULTS: Three maxillary implants were removed, although stable, in 1 patient at the 8-week follow-up due to postoperative infection in the adjacent guided bone regeneration (GBR) area. No additional implants were lost. This resulted in a cumulative implant success rate of 97.1% after 5 years of prosthetic loading. The mean marginal bone remodeling (SD) after 5 years of function was 1.54 (0.99) mm. At the 5-year examination, absence of marginal plaque and absence of bleeding on probing was reported for 75% and 74% of the sites, respectively, and remained generally unchanged from the 1-month follow-up. CONCLUSIONS: The 5-year follow-up data indicate that an immediate loading protocol using a slightly tapered implant design with an oxidized, microtextured surface is a successful treatment alternative in regions exhibiting soft bone quality.
机译：问题陈述：大量研究证明了立即种植体负载或立即种植体修复的可行性和可预测性。但是，大多数这些研究主要报告短期结果。目的：这项前瞻性临床研究的目的是记录立即咬合的植入物的5年结果，该植入物具有氧化的，微纹理化的表面，可支撑颌骨各个区域的固定假体。材料与方法：38位患者在植入物当天共接受了51个植入物支持的固定假体，29个下颌骨和22个上颌骨。 30颗是固定局部义齿（FPD），20颗被替换的单颗牙齿，1颗是下颌全固定义齿。修复体由102颗稍呈锥形的螺钉型植入物支撑，其中大部分放置在后部区域（88％），主要放置在软骨质量中（76％）。持续出现超功能习惯迹象的患者不包括在内。所有植入物均使用常规的瓣膜手术放置。在研究设计中接受了与植入物植入有关的局部再生程序治疗。进行共振频率植入物稳定性测量和边缘植入物周围软组织评估。在插入假体时，在1个月和6个月的随访中以及每年在1到5年的随访中进行射线照相检查。该报告显示了加载5年后的结果，并提供了描述性统计数据。结果：1例患者在术后8周的随访中，由于稳定​​的邻近骨引导区再生（GBR）区域的感染，移除了3例上颌植入物，尽管很稳定。没有丢失其他植入物。假体加载5年后，累计植入成功率达到97.1％。 5年功能后的平均边缘骨重塑（SD）为1.54（0.99）mm。在为期5年的检查中，据报道分别有75％和74％的部位没有边缘斑块和探测时没有出血，并且与1个月的随访一般保持不变。结论：5年的随访数据表明，在具有软骨质量的区域，采用略带锥形的植入物设计并带有氧化的，微结构化表面的即时加载方案是一种成功的治疗选择。

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