Ten-Year Results of a Prospective Study on One-Piece Zirconia Oral Implants for Single-Tooth Reconstruction.

IF 5.3 1区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical Oral Implants Research Pub Date : 2025-10-02 DOI:10.1111/clr.70049

Ralf-Joachim Kohal,Agneta Lith,Futoshi Komine,Junichi Honda,Benedikt C Spies,Felix Burkhardt,Kirstin Vach

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引用次数: 0

Abstract

OBJECTIVES The intention of this 10-year prospective cohort investigation was to clinically and radiographically investigate the outcomes of a one-piece zirconia implant system for single-tooth replacement. MATERIALS AND METHODS A total of 65 patients received 66 single-tooth implants restored with all-ceramic crowns. Follow-up assessments were conducted at the time of prosthetic delivery, after 1, 3, 5, and 10 years. Peri-implant soft tissue parameters were evaluated. To assess peri-implant bone loss, standardized radiographs were taken at implant placement, prosthetic delivery, at the 1-, 3-, 5-, and 10-year follow-ups. Statistical analysis was conducted using linear mixed regression models and Wilcoxon Signed Rank tests to compare differences over time and between groups (p < 0.05). RESULTS Over the course of 10 years, 16 implants were lost, yielding a cumulative survival rate of 73.3%. Fifteen patients were lost to follow-up over the 10-year period. The average marginal bone loss of the remaining implants was 1.09 mm. Probing depth, attachment level, and bleeding showed an increase over time, while plaque index slightly decreased. CONCLUSIONS Given the high implant loss rate after 10 years and the high occurrence of advanced bone loss observed in this study, the implant was not recommended for routine clinical use.

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一体式氧化锆口腔种植体用于单牙重建的十年前瞻性研究结果。

目的：这项为期10年的前瞻性队列研究的目的是临床和影像学研究用于单牙置换的一体式氧化锆种植体系统的结果。材料与方法65例患者行全瓷冠单牙种植体修复66例。随访评估分别在假肢交付时、1年、3年、5年和10年后进行。评估种植体周围软组织参数。为了评估种植体周围骨丢失，在种植体放置、假体运送、1年、3年、5年和10年随访时拍摄标准化x线片。采用线性混合回归模型和Wilcoxon sign Rank检验进行统计学分析，比较时间和组间差异（p < 0.05）。结果在10年的时间里，16个种植体丢失，累计存活率为73.3%。在10年的时间里，有15名患者失去了随访。剩余种植体的平均边缘骨损失为1.09 mm。探针深度、附着水平和出血随时间增加，而斑块指数略有下降。结论考虑到本研究中观察到的10年后种植体的高损失率和晚期骨质流失的高发生率，不建议常规临床使用该种植体。

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来源期刊

Clinical Oral Implants Research 医学-工程：生物医学

CiteScore

7.70

自引率

11.60%

发文量

149

审稿时长

3 months

期刊介绍： Clinical Oral Implants Research conveys scientific progress in the field of implant dentistry and its related areas to clinicians, teachers and researchers concerned with the application of this information for the benefit of patients in need of oral implants. The journal addresses itself to clinicians, general practitioners, periodontists, oral and maxillofacial surgeons and prosthodontists, as well as to teachers, academicians and scholars involved in the education of professionals and in the scientific promotion of the field of implant dentistry.