Accuracy assessment between computer-guided surgery planning and actual tooth position during tooth autotransplantation

IF 2.3 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Dental Traumatology Pub Date : 2024-05-25 DOI:10.1111/edt.12971

Jiaming Zhang, Yue Han, Haoyan Zhong

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Abstract

Background/Aim

This study aims to evaluate the precision and efficacy of utilizing computer-aided design (CAD) in combination with three-dimensional printing technology for tooth transplantation.

Material and Methods

This study analysed 50 transplanted teeth from 48 patients who underwent tooth transplantation surgery with the aid of CAD and positional guides. A consistent coordinate system was established using preoperative and postoperative cone-beam computed tomography images. Linear displacements and angular deviations were calculated by identifying key regions in both virtual designs and actual transplanted teeth. Additionally, an analysis was conducted to explore potential factors influencing these deviations.

Results

The mean cervical deviation, apical deviation, and angular deviation among the 50 transplanted teeth were 1.16 ± 0.57 mm, 1.80 ± 0.94 mm, and 6.82 ± 3.14°, respectively. Cervical deviation was significantly smaller than apical deviation. No significant difference in deviation was observed among different recipient socket locations, holding true for both single-root, and multi-root teeth. However, a significant difference was noted in apical deviation between single-root and multi-root teeth. Our analysis identified a correlation between apical deviation and root length, leading to the development of a prediction model: Apical deviation = 0.1390 × (root length) + 0.2791.

Conclusions

The postoperative position of the donor teeth shows discrepancies compared to preoperative simulation when utilizing CAD and 3D printed templates during autotransplantation procedures. Continual refinement of preoperative design is a crucial endeavour.

查看原文本刊更多论文

在牙齿自动移植过程中，计算机辅助手术规划与实际牙齿位置之间的准确性评估。

背景/目的：本研究旨在评估利用计算机辅助设计（CAD）结合三维打印技术进行牙齿移植的精确性和有效性：本研究分析了 48 名患者的 50 颗移植牙齿，这些患者在计算机辅助设计和定位指南的帮助下接受了牙齿移植手术。利用术前和术后锥形束计算机断层扫描图像建立了一致的坐标系统。通过识别虚拟设计和实际移植牙齿的关键区域，计算出线性位移和角度偏差。此外，还对影响这些偏差的潜在因素进行了分析：结果：50 颗移植牙齿的平均颈椎偏差、根尖偏差和角度偏差分别为 1.16 ± 0.57 mm、1.80 ± 0.94 mm 和 6.82 ± 3.14°。牙颈部偏差明显小于根尖偏差。单根牙和多根牙的不同受托窝洞位置之间的偏差没有明显差异。但是，单根牙和多根牙的根尖偏差有明显差异。我们的分析确定了根尖偏差与牙根长度之间的相关性，从而建立了一个预测模型：根尖偏差 = 0.1390 ×（牙根长度）+ 0.2791：在自体牙移植手术中使用 CAD 和 3D 打印模板时，供体牙齿的术后位置与术前模拟相比存在差异。不断完善术前设计是一项至关重要的工作。

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

Dental Traumatology 医学-牙科与口腔外科

CiteScore

6.40

自引率

32.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Dental Traumatology is an international journal that aims to convey scientific and clinical progress in all areas related to adult and pediatric dental traumatology. This includes the following topics: - Epidemiology, Social Aspects, Education, Diagnostics - Esthetics / Prosthetics/ Restorative - Evidence Based Traumatology & Study Design - Oral & Maxillofacial Surgery/Transplant/Implant - Pediatrics and Orthodontics - Prevention and Sports Dentistry - Endodontics and Periodontal Aspects The journal"s aim is to promote communication among clinicians, educators, researchers, and others interested in the field of dental traumatology.