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首页> 外文期刊>The Journal of Prosthetic Dentistry >Fiber-reinforced composite fixed dental prostheses: A 4-year prospective clinical trial evaluating survival, quality, and effects on surrounding periodontal tissues
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Fiber-reinforced composite fixed dental prostheses: A 4-year prospective clinical trial evaluating survival, quality, and effects on surrounding periodontal tissues

机译：纤维增强复合固定牙科假肢：4年的前瞻性临床试验评估生存，质量和对周围牙周组织的影响

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Abstract Statement of problem Although fiber-reinforced composite fixed dental prostheses (FRC FDPs) are a reliable treatment option for the restoration of single missing teeth, comparatively few prospective clinical trials (PCT) exist. Purpose The purpose of this PCT was to evaluate the survival, quality outcome, and effect of FRC FDPs on periodontal health over 4 years. Material and methods Twenty-six consecutive patients (16 men, 10 women) receiving FRC FDPs with preimpregnated unidirectional fiber reinforcement were included in the trial. Eighteen FRC FDPs were placed in the maxilla and 8 in the mandible. Data from baseline, 12-, 36-, and 48-months of follow-up were recorded, and the prostheses were classified as “success,” “survival,” or “failure.” Periodontal parameters (probing depth, clinical attachment level, plaque index, and bleeding index were assessed, and the quality was rated according to modified United States Public Health Service (USPHS)/Ryge or World Dental Federation (FDI) criteria. Results Functional survival at 4 years was 73.5% (95% confidence interval [CI], 52.9-87.3) with 17 FRC FDPs still functioning. Twelve of these were classified as “success” and 5 as “survival.” Overall survival was 53.0% (95% CI, 30.4-74.4). Six FRC FPDs failed completely. Periodontal parameters did not change over the observation period. Regression analysis showed that probing depth and clinical attachment level did not influence the survival of FRC FDPs. According to USPHS/Ryge/FDI criteria only “wear” and “surface luster” increased significantly over 4 years. Conclusions The survival rate of FRC FPDs confirms existing data. Negative effects on periodontal health were not seen over the period of observation. Aging effects such as wear were recorded and indicated that FRC FPDs are at risk of disintegration, as they are composed of a fiber framework and veneering composite resin.
机译：摘要问题陈述虽然纤维增强复合牙科假肢（FRC FDP）是可靠的治疗选择，用于恢复单一缺失的牙齿，相对较少的前瞻性临床试验（PCT）存在。目的该PCT的目的是评估FRC FDP在4年内对FRC FDPS对牙周健康的生存，优质结果和影响。在试验中包括预接受FDP的26名连续患者（16名男性，10名女性）接受FDP，试验中包括预浸润的单向纤维增强。将十八个FRC FDP置于颌骨上的8个。记录了来自基线，12-，36-和48个月的数据的数据，假肢被归类为“成功”，“生存”或“失败”。评估牙周参数（探测深度，临床附着水平，斑块指数和出血指数，并根据修改的美国公共卫生服务（USPHS）/ RYGE或世界牙科联合会（FDI）标准评定质量。结果功能生存4岁是73.5％（95％的置信区间[CI]，52.9-87.3），具有17个FRC FDP仍在运作。其中十二例被归类为“成功”和5作为“生存”。总生存率为53.0％（95％CI） ，30.4-74.4）。六个FPDS完全失败。牙周参数在观察期内没有改变。回归分析表明，探测深度和临床附着水平没有影响FDP的生存。根据USPHS / RYGE / FDI标准“佩戴”和“表面光泽”显着增加了4年。结论FRC FPD的存活率证实了现有数据。在观察期内没有看到对牙周健康的负面影响。磨损等老化效果记录并表明FPDS有崩解的风险，因为它们由纤维骨架和胶合复合树脂组成。

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    Diana Wolff; Theresa Wohlrab; Daniel Saure; Johannes Krisam; Cornelia Frese;

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    Department of Conservative Dentistry School of Dental Medicine University Hospital Heidelberg;

    Department of Conservative Dentistry School of Dental Medicine University Hospital Heidelberg;

    Statistician Institute of Medical Biometry and Informatics Ruprecht Karls University Heidelberg;

    Statistician Institute of Medical Biometry and Informatics Ruprecht Karls University Heidelberg;

    Department of Conservative Dentistry School of Dental Medicine University Hospital Heidelberg;

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