Splinting or Nonsplinting Adjacent Implants? A Retrospective Study Up to 15 Years: Part II-Success and Survival Rate Analysis.

IF 1.7 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE International Journal of Oral & Maxillofacial Implants Pub Date : 2023-05-01 DOI:10.11607/jomi.10054

Yuseung Yi, Seong-Joo Heo, Jai-Young Koak, Seong-Kyun Kim, Ki-Tae Koo

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Abstract

Purpose: To analyze the success and survival of splinted and nonsplinted implants.

Materials and methods: A total of 423 patients (n = implants: 888) were included in the study. The success and survival of implants for 15 years were analyzed using a multivariable Cox regression model, and the significant effect of the splinting of prostheses and other risk factors were evaluated.

Results: The cumulative success rate was 34.2%: 33.2% in nonsplinted (NS) and 34.8% in splinted implants (SP). The cumulative survival rate was 92.9% (94.1%, NS; 92.3%, SP). Whether to splint was not related to the success and survival of implants. The smaller the implant diameter, the lower the survival rate. The crown length and implant length were significantly associated only with NS implants: The longer the crown length and the shorter the implant length, the greater the risk of implant failure. The emergence angle (EA) and the emergence profile (EP) had a significant effect on only the SP implants: EA3 showed a higher risk than EA1, and EP2 and EP3 had a higher risk of implant failure.

Conclusion: Crown length and implant length affected only the nonsplinted implants: The higher the crown length and the shorter the implant length, the greater the risk of implant failure. A significant effect for emergence contour was found only in SP implants: the implants restored with prostheses with EA ≥ 30 degrees on both the mesial and distal sides, and convex EP on at least one side had higher risks of failure. Int J Oral Maxillofac Implants 2023;38:443-450. doi: 10.11607/jomi.10054.

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使用夹板或不使用夹板相邻种植体?一项长达15年的回顾性研究:第二部分-成功率和生存率分析。

目的:分析有夹板种植体和无夹板种植体的成功率和成活率。材料与方法:共纳入423例患者(n =种植体:888例)。采用多变量Cox回归模型分析15年种植体的成功和生存情况，并评价种植体夹板及其他危险因素的显著性影响。结果:累积成功率为34.2%，无夹板(NS)为33.2%，有夹板种植体(SP)为34.8%。累计生存率为92.9% (94.1%，NS;92.3%, SP)。是否夹板与种植体的成功和存活无关。种植体直径越小，成活率越低。冠长度和种植体长度仅与NS种植体相关:冠长度越长，种植体长度越短，种植体失败的风险越大。出牙角度(EA)和出牙轮廓(EP)仅对SP种植体有显著影响，EA3种植体失败的风险高于EA1, EP2和EP3种植体失败的风险更高。结论:牙冠长度和种植体长度仅对无夹板种植体有影响，牙冠长度越大，种植体长度越短，种植体失败的风险越大。只有SP种植体对出苗轮廓有显著影响:中、远侧EA均≥30度，且至少一侧凸EP的种植体修复失败的风险更高。口腔颌面种植[J]; 2009;38(8): 444 - 444。doi: 10.11607 / jomi.10054。

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来源期刊

International Journal of Oral & Maxillofacial Implants 医学-牙科与口腔外科

CiteScore

3.30

自引率

5.00%

发文量

115

审稿时长

6 months

期刊介绍： Edited by Steven E. Eckert, DDS, MS ISSN (Print): 0882-2786 ISSN (Online): 1942-4434 This highly regarded, often-cited journal integrates clinical and scientific data to improve methods and results of oral and maxillofacial implant therapy. It presents pioneering research, technology, clinical applications, reviews of the literature, seminal studies, emerging technology, position papers, and consensus studies, as well as the many clinical and therapeutic innovations that ensue as a result of these efforts. The editorial board is composed of recognized opinion leaders in their respective areas of expertise and reflects the international reach of the journal. Under their leadership, JOMI maintains its strong scientific integrity while expanding its influence within the field of implant dentistry. JOMI’s popular regular feature "Thematic Abstract Review" presents a review of abstracts of recently published articles on a specific topical area of interest each issue.