Micro‐computed tomography evaluation of minimally invasive root canal preparation in 3D‐printed C‐shaped canal

IF 1.3 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Australian Endodontic Journal Pub Date : 2024-09-10 DOI:10.1111/aej.12890

Nutcha Supavititpattana, Siriwan Suebnukarn, Panupat Phumpatrakom, Kamon Budsaba

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Abstract

This study aimed to evaluate and compare the shaping abilities and minimum dentin thickness of minimally invasive rotary instruments via micro‐computed tomography. Twelve 3D‐printed C‐shaped canal models from a mandibular molar were divided into two groups, and root canals were prepared with either XP‐endo Rise (XR) or TruNatomy (TN) systems. Pre‐ and post‐preparation evaluations included canal volume, prepared area and minimum dentin thickness. No significant differences were found in canal volume change (XR: 22.66 ± 4.28%, TN: 23.02 ± 5.10%), prepared canal area (XR: 31.86 ± 10.72%, TN: 30.26 ± 11.59%) and minimum dentin thickness (XR: 0.30 ± 0.05 mm, TN: 0.28 ± 0.05 mm) between groups (p > 0.05). The canal volume change in the middle third was significantly higher than that in the coronal and apical thirds (p < 0.05) in both groups. In conclusion, XR demonstrated comparable shaping abilities and minimum dentin thickness to TN in preparing 3D‐printed C‐shaped canals.

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微计算机断层扫描评估 3D 打印 C 型根管中的微创根管预备技术

本研究旨在通过微型计算机断层扫描评估和比较微创旋转器械的塑形能力和最小牙本质厚度。研究人员将 12 个三维打印的下颌臼齿 C 型根管模型分成两组，分别使用 XP-endo Rise (XR) 或 TruNatomy (TN) 系统进行根管预备。预备前后的评估包括根管体积、预备面积和最小牙本质厚度。各组之间在牙管容积变化（XR：22.66 ± 4.28%，TN：23.02 ± 5.10%）、预备牙管面积（XR：31.86 ± 10.72%，TN：30.26 ± 11.59%）和最小牙本质厚度（XR：0.30 ± 0.05 mm，TN：0.28 ± 0.05 mm）方面无明显差异（p > 0.05）。在两组中，中间三分之一的牙槽骨体积变化明显高于冠状和根尖三分之一的牙槽骨体积变化（p < 0.05）。总之，在制备 3D 打印的 C 形牙冠时，XR 的塑形能力和最小牙本质厚度与 TN 相当。

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

Australian Endodontic Journal DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.50

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： The Australian Endodontic Journal provides a forum for communication in the different fields that encompass endodontics for all specialists and dentists with an interest in the morphology, physiology, and pathology of the human tooth, in particular the dental pulp, root and peri-radicular tissues. The Journal features regular clinical updates, research reports and case reports from authors worldwide, and also publishes meeting abstracts, society news and historical endodontic glimpses. The Australian Endodontic Journal is a publication for dentists in general and specialist practice devoted solely to endodontics. It aims to promote communication in the different fields that encompass endodontics for those dentists who have a special interest in endodontics.