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首页> 外文期刊>The Journal of Prosthetic Dentistry >A prospective study of immediately loaded single implant-retained mandibular overdentures: preliminary one-year results.
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A prospective study of immediately loaded single implant-retained mandibular overdentures: preliminary one-year results.

机译：立即加载单个种植体固定的下颌覆盖义齿的前瞻性研究：一年的初步结果。

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STATEMENT OF PROBLEM: The cost of rehabilitation of the problematic mandibular complete denture with implant-retained overdentures or implant-supported fixed prostheses is beyond the financial scope of many compromised denture patients. Therefore, a more affordable treatment alternative is desirable. PURPOSE: The purpose of this preliminary study was to investigate the predictability of simplifying mandibular overdenture treatment using single-stage surgery and immediate prosthetic loading of a single implant. MATERIAL AND METHODS: Twenty-eight patients with a mean age of 69.8 years and problematic mandibular dentures were treated. The primary complaints among the patients referred to the clinic for treatment related to poor retention of the mandibular denture, instability, denture sores, and phonetic problems. A single implant (Branemark TiUnite Mk III) was placed into the mandibular midline, achieving primary stability. A ball attachment was placed and the retentive cap incorporated into the existingdenture. The patients were recalled at 3 and 12 months. Clinical assessments, radiographs made with custom film holders, and stability measurements by both manual and resonance frequency analysis methods were recorded. All complications, failures, maintenance, and reasons for failure to follow-up were noted. Visual analogue scale questionnaires were used to record patient satisfaction. A 1-way repeated-measures ANOVA was used to determine differences between means in the following categories: general satisfaction, social life, mastication of hard food, comfort, and fit (P=.05). RESULTS: Three implants did not achieve sufficient primary stability to be immediately loaded and were, therefore, treated with a 2-stage delayed loading protocol. The 25 immediately loaded implants were all surviving at the 12-month recall. Patient satisfaction was high, with a significant increase in all comfort and functional parameters (P values ranged from <.001 to .07). CONCLUSIONS: These preliminary 1-year results indicate that immediate loading of a single oxidized surface implant used to retain a mucosa-borne overdenture is a safe, reliable, and cost-effective treatment.
机译：问题陈述：用植入物保留的覆盖义齿或植入物支持的固定义齿修复有问题的下颌全口义齿的费用超出了许多受损义齿患者的财务范围。因此，需要更负担得起的治疗选择。目的：这项初步研究的目的是研究使用单阶段手术和单个植入物的即时修复负荷简化下颌覆盖义齿治疗的可预测性。材料与方法：对平均年龄为69.8岁，下颌假牙有问题的28例患者进行了治疗。患者中的主要主诉是转到诊所进行治疗，该治疗与下颌假牙的保留不良，不稳定，假牙疮和语音问题有关。将单个植入物（Branemark TiUnite Mk III）放入下颌中线，以达到基本稳定性。放置一个球附件，并将固定帽结合到现有的义齿中。分别在3和12个月时召回患者。记录临床评估，使用定制胶片固定器进行的射线照相以及通过手动和共振频率分析方法进行的稳定性测量。记录了所有并发症，失败，维护和失败随访的原因。视觉模拟量表用于记录患者满意度。使用单向重复测量ANOVA来确定以下类别中均值之间的差异：总体满意度，社会生活，咀嚼硬食，舒适度和健康度（P = .05）。结果：3个植入物没有达到足够的基本稳定性，无法立即加载，因此接受了2期延迟加载方案的治疗。在召回的12个月中，立即装载的25种植入物全部幸存。患者满意度很高，所有舒适度和功能参数均显着增加（P值范围从<0.001至.07）。结论：这些初步的1年结果表明，立即加载单个氧化表面植入物以保留粘膜携带的覆盖义齿是一种安全，可靠且具有成本效益的治疗方法。

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