Manufacturing and Application Precision Changes in Three-Dimensional Printed Surgical Guides for Dental Implants: An In Vitro Study.

IF 4.8 1区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical Oral Implants Research Pub Date : 2025-03-26 DOI:10.1111/clr.14437

Mengxi Yang, Ruikun Li, Xueyuan Li, Shibo Liu, Songhang Li

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引用次数: 0

Abstract

Objectives: To assess the reproduction accuracy of a surgical guide during both the manufacturing phase (from designed files to manufactured surgical guides) and the application phase (from manufactured surgical guides to post-plasma sterilization) across four three-dimensional (3D) printing technologies.

Materials and methods: Twenty-four surgical guides were designed and categorized into four groups (six surgical guides per group) based on the printing technology used: stereolithography apparatus (SLA), digital light processing (DLP), laser cladding deposition (LCD), and selective laser melting (SLM). The surgical guide files were collected in three conditions: design, post-printing, and post-plasma sterilization. The integrated precision, regional precision, and implant precision of the surgical guides were evaluated by measuring (1) T-vertex marker distance and angle, (2) surgical guide deformation after superimposition, and (3) implant 3D displacement.

Results: SLA printers exhibited the lowest reproduction accuracy and implant precision during the manufacturing phase (p < 0.001) and demonstrated the lowest implant precision during the application phase. In contrast, SLM printers displayed the highest reproduction accuracy and implant precision across both phases (p < 0.001). LCD printers showed slightly lower reproduction accuracy and implant precision than SLM during both the manufacturing and application phases.

Conclusion: SLM printers provide superior precision for implant surgery. Their use is recommended for printing surgical guides due to their high reproduction accuracy and implant precision during the manufacturing and application phases. In cases where SLM technology is unavailable, LCD printers offer a reliable alternative.

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三维打印牙种植体手术指南的制造和应用精度变化：体外研究。

目的：通过四种三维（3D）打印技术评估手术指南在制造阶段（从设计文件到制造手术指南）和应用阶段（从制造手术指南到等离子体后灭菌）的复制准确性。材料和方法：设计了24块手术导板，根据所采用的印刷技术分为四组（每组6块）：立体光刻设备（SLA）、数字光处理（DLP）、激光熔覆沉积（LCD）和选择性激光熔化（SLM）。在设计、印刷后和等离子体灭菌后三种情况下收集手术指南文件。通过测量(1)t顶点标记距离和角度，(2)叠加后的手术导轨变形，(3)种植体三维位移，评估手术导轨的综合精度、区域精度和种植体精度。结果：SLA打印机在制造阶段表现出最低的复制精度和种植体精度(p)。结论：SLM打印机在种植体手术中具有更高的精度。由于其在制造和应用阶段的高复制精度和植入精度，因此推荐用于打印手术指南。在SLM技术不可用的情况下，LCD打印机提供了可靠的替代方案。

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

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.