材料、灭菌和消毒对三维打印手术模板精度的影响:体外研究

IF 4.8 1区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Dongping Lan, Zheqing Zhou, Yang Yang, Zhaoyu Xu, Yi Man
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引用次数: 0

摘要

目的:评估三维(3D)打印技术、材料、消毒和灭菌对引导手术模板准确性的影响:评估三维(3D)打印技术、材料、灭菌和消毒对导向手术模板准确性的影响:使用光聚合树脂数字光处理三维打印机设计并制作了 50 个打印树脂手术模板,使用钛合金选择性激光熔融三维打印机设计并制作了 50 个打印金属手术模板。两组模板被随机分为五个子组,涉及不同的消毒和灭菌程序。未进行任何消毒或灭菌程序的组为对照组,其他组为研究组(过氧化氢气体等离子灭菌、5% 聚维酮碘消毒、75% 乙醇消毒和高压蒸汽灭菌)。在三维打印的树脂模型上进行种植模拟,并在种植体上安装扫描体获取术后印模。对所有手术模板进行数字扫描。使用均方根来确定和量化制作的准确性和可重复性,并对确定的种植体位置和计划的种植体位置进行比较:结果:经过蒸汽高压灭菌后,打印的树脂模板显示出较低的制作精度和可重复性,以及较高的三维偏差(P 0.05):结论:打印金属手术模板是引导种植手术的可行替代品。建议术前进行蒸汽或气体等离子灭菌,尤其是金属模板,因为树脂模板在蒸汽灭菌后会出现变形并降低精确度:ChiCTR2400081334。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of Material, Sterilization, and Disinfection on the Accuracy of Three-Dimensional Printed Surgical Templates: An In Vitro Study.

Objectives: To evaluate the influence of the three-dimensional (3D) printing technology, material, sterilization, and disinfection on the accuracy of guided surgical templates.

Material and methods: Fifty printed resin surgical templates were designed and fabricated using a digital light processing 3D printer with a photopolymerizing resin, and 50 printed metal surgical templates were designed and fabricated using a selective laser melting 3D printer with a titanium alloy. Templates from both groups were randomly divided into five subgroups involving different sterilization and disinfection procedures. The group without any sterilization or disinfection procedure served as the control group, whereas the other groups were used as the study groups (hydrogen peroxide gas plasma sterilization, 5% povidone-iodine disinfection, 75% ethyl alcohol disinfection, and steam autoclave sterilization). Implant simulations were performed on the 3D-printed resin models, and postoperative impressions were acquired with scan bodies attached to the implants. All surgical templates were digitally scanned. The root mean square was used to determine and quantify fabrication accuracy and reproducibility, and the definitive and planned implant positions were compared.

Results: The printed resin templates exhibited lower fabrication accuracy and reproducibility, as well as higher 3D deviations, after steam autoclave sterilization (p < 0.001); however, the printed metal templates were not affected by the different sterilization or disinfection procedures (p > 0.05).

Conclusions: Printed metal surgical templates are viable alternatives for guided implant surgery. Preoperative steam or gas plasma sterilization is recommended, especially for metal templates, as resin templates show deformation and decreased accuracy after steam sterilization.

Trial registration: chictr.org.cn number: ChiCTR2400081334.

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来源期刊
Clinical Oral Implants Research
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.
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