Influence of different print orientations on properties and behavior of additively manufactured resin dental devices: A systematic review and meta-analysis

IF 4.3 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Journal of Prosthetic Dentistry Pub Date : 2025-03-01 DOI:10.1016/j.prosdent.2024.12.002
Mohammed Ahmed Alghauli BDS, MDSc, Dr med. dent , Ahmed Yaseen Alqutaibi BDS, MDSc, PhD , Rola Aljohani BDS , Sarah Almuzaini BDS , Musab Hamed Saeed BDS, MSc, PhD
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Abstract

Statement of problem

Different factors affect 3-dimensionally (3D) printed resin products. However, evidence on the effect of the print orientation on resin dental devices is lacking.

Purpose

The purpose of this systematic review and meta-analysis was to assess the impact of print orientation on the properties and accuracy of 3D printed implant surgical guides, occlusal devices, clear orthodontic retainers, and aligners.

Material and methods

The electronic databases PubMed (MEDLINE), Cochrane, and Scopus were comprehensively searched in July 2024. A modified Consolidated Standards of Reporting Trials (CONSORT) statement was used to judge the included studies, and the data were analyzed by the RevMan 5.4 software program of the Cochrane collaboration by applying an inverse variance analysis (α=.05).

Results

Twenty-six records were included. Complete arch, solid surgical guides with horizontal printing orientation exhibited the highest accuracy (P≤.01). Short-span surgical guides printed vertically showed relatively high accuracy (P≤.05). Hollow or mesh devices might not be affected by orientations. Occlusal device accuracy favored horizontal orientation, but correlated with the technology and materials, while the accuracy of orthodontic aligners revealed controversial findings, assuming the limited impact of orientation on orthodontic aligners. The cytotoxicity of occlusal devices was a material-related biological characteristic and unaffected by orientation. Although flexural strength favors horizontal orientation, conflicting results were observed for physical and other mechanical properties due to several variables.

Conclusions

Horizontal orientation is recommended for printing complete arch surgical guides, while the accuracy of short surgical guides might favor vertical orientation. The physical mechanical properties depend on the printing orientation, technology, material, and printed parts, but horizontal orientation might produce parts with the best mechanical performance.
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不同打印方向对增材制造树脂牙科器械性能和行为的影响:系统综述和荟萃分析。
问题陈述:不同的因素影响3D打印树脂产品。然而,关于打印方向对树脂牙科装置的影响的证据是缺乏的。目的:本系统综述和荟萃分析的目的是评估打印方向对3D打印种植手术指南、咬合装置、透明正畸固位器和对准器的性能和准确性的影响。材料与方法:综合检索PubMed (MEDLINE)、Cochrane、Scopus电子数据库,检索时间为2024年7月。采用修改后的试验合并报告标准(CONSORT)对纳入的研究进行评判,采用Cochrane协作网RevMan 5.4软件程序对数据进行反方差分析(α= 0.05)。结果:纳入26条记录。完整弓、实心水平印刷导向的手术导轨精度最高(P≤0.01)。垂直印刷的短跨度手术指南精度较高(P≤0.05)。空心或网状装置可能不受方向的影响。咬合装置的精度倾向于水平方向,但与技术和材料相关,而正畸对准器的精度则存在争议,假设方向对正畸对准器的影响有限。咬合装置的细胞毒性是一种与材料有关的生物学特性,不受取向的影响。虽然抗弯强度倾向于水平方向,但由于几个变量,在物理和其他机械性能方面观察到相互矛盾的结果。结论:打印完整弓形手术导向器时,推荐采用水平方向,而打印短弓形手术导向器时,推荐采用垂直方向。物理机械性能取决于打印方向、技术、材料和打印部件,但水平方向可能会产生具有最佳机械性能的部件。
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来源期刊
Journal of Prosthetic Dentistry
Journal of Prosthetic Dentistry 医学-牙科与口腔外科
CiteScore
7.00
自引率
13.00%
发文量
599
审稿时长
69 days
期刊介绍: The Journal of Prosthetic Dentistry is the leading professional journal devoted exclusively to prosthetic and restorative dentistry. The Journal is the official publication for 24 leading U.S. international prosthodontic organizations. The monthly publication features timely, original peer-reviewed articles on the newest techniques, dental materials, and research findings. The Journal serves prosthodontists and dentists in advanced practice, and features color photos that illustrate many step-by-step procedures. The Journal of Prosthetic Dentistry is included in Index Medicus and CINAHL.
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