Comparative evaluation of volumetric changes following rotary and hand files' canal preparation of primary maxillary canine: an in vitro nano-CT analysis.

IF 2.3 Q2 DENTISTRY, ORAL SURGERY & MEDICINE
S Balaji, G Jeevanandan, V Ravindran, A A Assiry, S Vishwanathaiah, P C Maganur
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引用次数: 0

Abstract

Purpose: To evaluate the volumetric changes of two recently introduced paediatric rotary file systems in comparison with conventional hand file systems in primary maxillary canines using an ultra-high-resolution nano-computed tomography.

Methods: This in vitro study was performed in extracted primary maxillary canines based on certain inclusion and exclusion criteria. Samples were prepared, and working length was determined after the pre-operative scan using a high-resolution nano-CT device (SkyScan 2214, Bruker, Kontich, Belgium). A single well-experienced paediatric dentist prepared the canals using three file systems: Kedo-S plus, Kedo-SG blue and hand K-files. All samples were subjected to post-operative scans performed similar to pre-operative scans. Image reconstruction was performed with NRecon software for 3D volumetric visualisation and analysis of the root canals.

Results: Kedo-SG blue file systems had the highest mean difference in the canal volume (4.05%). Hand K-files had the least difference at (3.71%) of canal volume. Kedo-S plus file system had a moderate mean canal volume difference (3.82%) which is closer to hand K-files. Intergroup comparison between the three groups showed that the mean difference in canal volume was statistically significant between all three file systems (p = 0.000).

Conclusion: Within the limitations of the current study, rotary file systems produced a significant enlargement of canals as compared to hand files. Kedo-SG blue created a uniform preparation of the canal cervico-apically. Kedo-S plus files were prepared more coronally with minimal preparation apically as close to the preparation of hand files.

Trial registration: Trial registration number: IHEC/SDC/PEDO-2103/22/651, Date of registration: 2022.

旋转锉和手工锉预备上颌犬原牙牙槽骨后体积变化的比较评估:体外纳米 CT 分析。
目的:使用超高分辨率纳米计算机断层扫描评估最近推出的两种儿科旋转锉系统与传统手工锉系统在上颌原发性犬齿中的体积变化:这项体外研究基于一定的纳入和排除标准,在拔出的原发性上颌犬齿中进行。制备样本,术前扫描后使用高分辨率纳米 CT 设备(SkyScan 2214,布鲁克公司,比利时孔蒂奇)确定工作长度。一名经验丰富的儿童牙医使用三种锉系统制备牙管:Kedo-S plus、Kedo-SG blue和手工K锉。所有样本的术后扫描与术前扫描类似。使用 NRecon 软件进行图像重建,对根管进行三维体积可视化和分析:结果:Kedo-SG 蓝色锉系统的根管体积平均差异最大(4.05%)。手动 K 型锉的根管体积差异最小(3.71%)。Kedo-S plus锉系统的平均管腔容积差异不大(3.82%),与手动K锉比较接近。三组之间的组间比较显示,所有三种锉系统的牙槽骨体积平均差异均有统计学意义(P = 0.000):结论:在当前研究的限制条件下,旋转锉系统与手动锉相比能显著扩大牙管。Kedo-SG蓝色锉能均匀地预备颈椎管。Kedo-S plus锉在冠状面的制备更多,而在根尖的制备则很少,与手用锉的制备接近:试验注册号:IHEC/SDC/PEDO-2103/22/651,注册日期:2022年。
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来源期刊
European Archives of Paediatric Dentistry
European Archives of Paediatric Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
4.40
自引率
9.10%
发文量
81
期刊介绍: The aim and scope of European Archives of Paediatric Dentistry (EAPD) is to promote research in all aspects of dentistry for children, including interceptive orthodontics and studies on children and young adults with special needs. The EAPD focuses on the publication and critical evaluation of clinical and basic science research related to children. The EAPD will consider clinical case series reports, followed by the relevant literature review, only where there are new and important findings of interest to Paediatric Dentistry and where details of techniques or treatment carried out and the success of such approaches are given.
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