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首页> 外文期刊>The International journal of oral & maxillofacial implants >Clinical performance and 5-year retrospective evaluation of Frialit-2 implants.
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Clinical performance and 5-year retrospective evaluation of Frialit-2 implants.

机译：Frialit-2植入物的临床性能和5年回顾性评估。

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PURPOSE: This retrospective study documents 5 years of clinical experience with Frialit-2 implants. MATERIALS AND METHODS: A total of 1,215 implants (338 immediately placed, 877 placed according to a delayed-placement protocol) were placed in 487 patients. After exclusion criteria were applied, 1,099 implants (322 immediate, 777 delayed) in 442 patients remained. The influence of delayed versus immediate placement on the survival of these 1,099 implants was analyzed. The influence of diameter and location (maxilla versus mandible) on survival of the implant were also examined. Implantation sites included anterior and posterior regions; the surgical protocol (ie, immediate or delayed placement) was selected according to the indications for each site. Immediate implants were placed at the time of extraction, while delayed implants were placed 8 to 12 weeks postextraction. A 2-phase surgical protocol was used for all implants. Follow-up time ranged from 5.8 to 67.4 months. RESULTS: According to the Kaplan-Meier method, the cumulative survival rate (CSR) was determined to be 90.05% at 5 years with 103 failures (32 immediate, for a CSR of 90.03%; 71 delayed, for a CSR of 90.04%). The lowest CSR (85%) was seen in the 3.4-mm-wide implants, while the 3.8-mm-wide implants had the highest CSR (93.16%). The CSR for implants in the maxilla was 91.08%; the CSR for implants in the mandible was 89.11%. DISCUSSION: The CSR was relatively low compared to studies by other authors, who reported on implant populations much smaller than that presented here. CONCLUSIONS: A relatively low overall CSR was found, and more than 70% of the failures occurred prior to uncovering (loading) or within 2.5 months of uncovering in this patient population.
机译：目的：这项回顾性研究记录了Frialit-2植入物5年的临床经验。材料与方法：总共1,215个植入物（立即放置338个，根据延迟放置方案放置了877个）植入487例患者。应用排除标准后，仍留有442名患者的1,099枚植入物（322枚即刻植入，777枚延迟植入）。分析了延迟放置和立即放置对这些1,099个植入物的存活率的影响。还检查了直径和位置（上颌骨与下颌骨）对植入物存活的影响。植入部位包括前部和后部。根据每个部位的适应症选择手术方案（即立即放置或延迟放置）。拔牙时立即植入植入物，拔出后8至12周放置延迟植入物。所有植入物均采用2期手术方案。随访时间为5.8至67.4个月。结果：根据Kaplan-Meier方法，在5年内发生103例失败时的累积生存率（CSR）为90.05％（32例立即发生，CSR为90.03％; 71例发生延迟，CSR为90.04％） 。在3.4毫米宽的植入物中观察到最低的CSR（85％），而在3.8毫米宽的植入物中观察到最高的CSR（93.16％）。上颌植入物的CSR为91.08％;下颌骨植入物的CSR为89.11％。讨论：与其他作者的研究相比，CSR相对较低，他们报告的种植体数量远小于此处介绍的数量。结论：发现该患者人群的总体CSR相对较低，并且超过70％的失败发生在发现（负荷）之前或发现2.5个月内。

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