Three-Dimensional Evaluation of the Accuracy of Zygomatic Implant Placement Through an In-House Fully Guided Approach.

IF 1.7 4区 医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Federico Hernández-Alfaro, Jorge Bertos-Quílez, Adaia Valls-Ontañón, Daniel Paternostro-Betancourt, Foskolos Pindaros-Georgios, Gian Maria Ragucci
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Abstract

Purpose: To validate guided surgery for zygomatic implants (ZIs) by analyzing the final position of the implants relative to the preoperatively planned position. Material and Methods: Five patients with fully edentulous atrophic maxillae treated with four ZIs through a fully guided implant surgical approach were evaluated. The preoperative phase included digital planning, through which the surgical guide was designed and created. Analysis of the guided surgery accuracy was carried out by superimposing the digital planning over the final position of the implants using preoperative and postoperative CBCT. The radiologic evaluation included implant angular deviation, entrance deviation, exit deviation, platform deviation, and apex apicocoronal and mesiodistal deviation. Results: All five patients (two men and three women; mean age: 61.8 ± 3 years) were each treated with four ZIs using a fully guided approach with an extrasinusal path, obtaining ideal emergence of the implants. Superimposition comparison found a mean axial angular implant deviation of 0.79 ± 0.41 degrees and a mean implant entrance deviation of 0.95 ± 0.26 degrees. The platform deviation was 0.62 ± 0.19 mm buccopalatally and 0.76 ± 0.14 mm mesiodistally, while the apical deviation was 0.42 ± 0.13 mm buccopalatally and 1.06 ± 0.37 mm mesiodistally. Conclusions: Guided surgery in zygomatic implants appears to be sufficiently accurate to make it a safe and predictable technique.

通过室内全引导入路进行颧骨种植体植入准确性的三维评估。
目的:通过分析植入物相对于术前计划位置的最终位置,验证颧骨植入物(ZIs)的引导手术。材料和方法:对5例完全无牙萎缩的上颌骨患者进行了评估,并通过完全引导的种植体手术入路进行了四种ZI的治疗。术前阶段包括数字化规划,通过数字化规划设计和创建手术指南。通过使用术前和术后CBCT将数字规划叠加在植入物的最终位置上来分析引导手术的准确性。放射学评估包括植入物角度偏移、入口偏移、出口偏移、平台偏移以及顶端和近中端偏移。结果:所有五名患者(两名男性和三名女性;平均年龄:61.8±3岁)均接受了四次ZI治疗,采用完全引导的窦外路径,获得了理想的植入物出现。叠加比较发现,植入物的平均轴向角度偏差为0.79±0.41度,植入物入口的平均偏差为0.95±0.26度。平台偏差为0.62±0.19毫米,近中位0.76±0.14毫米,而顶端偏差为0.42±0.13毫米,远中位1.06±0.37毫米。结论:颧骨种植体的引导手术似乎足够准确,使其成为一种安全和可预测的技术。
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来源期刊
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.
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