Effect of Steam Heat Sterilization on the Accuracy of 3D Printed Surgical Guides.

3区医学 Q1 Dentistry

Implant Dentistry Pub Date : 2019-08-01 DOI:10.1097/ID.0000000000000908

H. Marei, Alaa Alshaia, Sundus Alarifi, N. Almasoud, A. Abdelhady

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引用次数: 29

Abstract

INTRODUCTION Steam heat sterilization could be one of the factors that affects the dimensional accuracy of surgical guides, leading to an error during guided implant surgery. OBJECTIVE The purpose of this study was to investigate the effect of steam heat sterilization on the dimensional changes of surgical guides. MATERIALS AND METHODS A total of 27 surgical guides, which were made by either Formlabs printer (Formlabs Inc., Somerville, MA) or Simplant (DENTSPLY Implants NV, Hasselt, Belgium), were scanned using an intraoral scanner before and after sterilization. The dimensional changes at the center of the implant sleeves were analyzed using the computer-aided design interactive software for 65 implant sites before and after steam heat sterilization at 121°C for 20 minutes. RESULTS There was no significant difference between the mean x, y, and z axes of the center of the sleeves when measured before and after sterilization (P values were 0.37, 0.24, and 0.29, respectively). Nonparametric analysis showed no significant difference between the mean deviations of either surgical guide (P = 0.908). CONCLUSION Steam heat sterilization has a nonsignificant effect on the dimensional changes of the tested surgical guides.

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蒸汽热灭菌对3D打印手术指南准确性的影响。

简介蒸汽热灭菌可能是影响手术引导器尺寸精度的因素之一，导致在引导植入手术过程中出现错误。目的探讨蒸汽热灭菌对手术导轨尺寸变化的影响。材料和方法在灭菌前后使用口内扫描仪扫描总共27个由Formlabs打印机（Formlabs股份有限公司，马萨诸塞州萨默维尔）或Simplant（DENTSPLAY Implants NV，Hasselt，Belgium）制造的手术指南。使用计算机辅助设计交互软件分析了65个植入部位在121°C蒸汽加热灭菌20分钟前后植入套管中心的尺寸变化。结果灭菌前后套管中心的平均x、y和z轴之间没有显著差异（P值分别为0.37、0.24和0.29）。非参数分析显示，两种手术引导器的平均偏差之间没有显著差异（P=0.908）。结论蒸汽热灭菌对测试的手术引导器尺寸变化没有显著影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Implant Dentistry 医学-牙科与口腔外科

CiteScore

4.00

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Cessation. Implant Dentistry, an interdisciplinary forum for general practitioners, specialists, educators, and researchers, publishes relevant clinical, educational, and research articles that document current concepts of oral implantology in sections on biomaterials, clinical reports, oral and maxillofacial surgery, oral pathology, periodontics, prosthodontics, and research. The journal includes guest editorials, letters to the editor, book reviews, abstracts of current literature, and news of sponsoring societies.