用于计算机引导种植手术的多功能可扫描安装装置:体外研究

IF 4.3 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Daniel Rotenberg, Yaniv Mayer, Jacob Horwitz, Yuval Nov, Hadar Zigdon-Giladi, Eran Gabay
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引用次数: 0

摘要

问题陈述:随着牙科领域数字化的不断发展,临床医生正在寻找简化数字化工作流程、减少椅旁时间以及为未来应用提供新工作模式的方法。目的:这项体外研究的目的是比较多功能仪器(MFA)扫描体与市售扫描体(SBIO)的水平、垂直和角度偏差:使用 16 个完全相同的无牙上颌模型,在右上颌第一磨牙和左上颌中切牙位置规划两个直径为 3.8×11.5 毫米的种植体。使用手术导板在每个模型上安装两个种植体。使用带有 MFA 的口内扫描仪对模型进行扫描,然后使用口内扫描仪和实验室三维扫描仪进行两次 SBIO 重新扫描。根据扫描的 MFA 和 SBIO 位置,种植体被数字化定位到标准网格语言(STL)文件中。这些 STL 文件与参考实验室 3D 扫描仪 STL 文件叠加。线性测量包括种植体顶/颈水平/垂直偏差以及种植体轴角度偏差。正态性用 Shapiro-Wilk 检验进行评估。对 SBIO-MFA 平均偏差差异采用配对样本 t 检验(双侧)。在比较臼齿/内齿部位时,使用了配对样本 Wilcoxon 检验(所有检验的α=.05):结果:在 10 个部位 × 偏差组合中,每个部位的 MFA/ SBIO 偏差之间都没有发现有统计学意义的差异(P>.05)。总体而言,在 8 次线性测量比较中,95% 置信区间的最低终点为-0.107 毫米(冠状垂直偏差,右上颌第一磨牙部位),在 2 次角度测量比较中,最低终点为-0.30 度:目前的体外研究表明,新型 MFA 设备的准确度很高,与标准 SBIO 扫描体的准确度相似。此外,与传统的锥形束计算机断层扫描(CBCT)相比,目前的研究提供了另一种评估种植体植入准确性的技术,即使用扫描和反向编程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A multifunctional scannable mounting device for computer guided implant surgery: An in vitro study.

Statement of problem: As part of the growing digitization of the dental field, clinicians are looking for ways to simplify digital workflow, reduce chairside time, and provide new work patterns for future applications. Whether scanning with a multifunctional apparatus (MFA) scan body results in improved scanning is unclear.

Purpose: The purpose of this in vitro study was to compare the horizontal, vertical, and angular deviations with the MFA scan body with a commercially available scan body (SBIO).

Material and methods: Sixteen identically printed edentulous maxillary models were used to plan two Ø3.8×11.5-mm implants in the right maxillary first molar and left maxillary central incisor locations. Two implants in each model were installed using a surgical guide. The models were scanned using an intraoral scanner with MFA and then rescanned twice, with SBIO using the intraoral scanner and a laboratory 3D scanner. The implants were digitally positioned according to the scanned MFA and SBIO locations in standard tessellation language (STL) files. These STL files were superimposed on the reference laboratory 3D scanner STL files. Linear measurements included implant apex/cervical horizontal/vertical deviations, as well as implant axis angular deviations. Normality was evaluated with the Shapiro-Wilk test. Paired samples t tests (2 sided) were used for the mean SBIO-MFA deviation difference. To compare the molar/incisor sites, paired samples Wilcoxon tests were used (α=.05 for all tests).

Results: No statistically significant differences were found between the MFA/ SBIO deviations, for each of the 10 sites × deviation combinations (P>.05). Overall, the lowest endpoint of the 95% confidence intervals among the 8 linear measurement comparisons was -0.107 mm (coronal vertical deviation, right maxillary first molar site) and -0.30 degrees between the 2 angular measurement comparisons.

Conclusions: The current in vitro study demonstrated high accuracy for the novel MFA device, similar to that of the standard SBIO scan body. Furthermore, the current study offers an alternative technique to evaluate the accuracy of implant placement by using scanning and back programming over the traditional postplacement cone beam computed tomography (CBCT) scanning.

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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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