Edoardo Moccia, Giorgia Carpegna, Alessandro Dell'Acqua, M. Alovisi, A. Comba, D. Pasqualini, E. Berutti
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The specimens were randomly divided into three groups (N=10) for the final 3D filling step: Buchanan’s continuous wave of condensation (Group 1, G1), Thermafil® (Group 2, G2) or TotalFill® BC Points™ combined with TotalFill® BC Sealer (Group 3, G3). \nMicro-CT scans were performed after the obturation step and the slices were 3D reconstructed with standardized parameters. Afterwards, the filled area and the associated radiographic translucencies were computer-isolated, and their volumes were calculated. The statistical analysis was performed using one-way ANOVA and the post-hoc Student-Newmann-Keuls (P<0,05). \nResults: The mean percentage of translucency areas in the warm vertical condensation group was 1,23%, whereas in the carrier-based group was 4,22% and in the single cone with bioceramic sealer group was 10,44%. The differences between the groups were statistically significant (P=0,029). \nConclusion: All the obturation techniques provided an adequate 3D root canal filling. 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引用次数: 1
摘要
目的:比较三种不同的技术:热垂直凝结、载体充填和单锥生物陶瓷充填对根管充填后三维充填质量和x线透光现象的影响。方法:选择30颗因牙周原因拔除的人单根牙。用ProGlider进行滑翔路径,用ProTaper Next (PTN) X1、X2和X3进行整形,直至工作长度(WL)。在最后的3D填充步骤中,将标本随机分为三组(N=10): Buchanan 's continuous wave of condensation(1组,G1), Thermafil®(2组,G2)或TotalFill®BC Points™联合TotalFill®BC Sealer(3组,G3)。在封闭步骤完成后进行Micro-CT扫描,并对切片进行三维重建。然后,用计算机隔离填充区域和相关的x线透视片,并计算其体积。统计分析采用单因素方差分析和事后student - newman - keuls检验(P< 0.05)。结果:热垂直凝结组的平均半透明面积百分比为1.23%,载体组为4.22%,单锥生物陶瓷密封剂组为10.44%。两组间差异有统计学意义(P= 0.029)。结论:所有的充填技术都能提供足够的三维根管充填。然而,拒绝了组间三维填充质量重叠的零假设。单锥体技术与生物陶瓷密封剂代表了一种可行的临床替代方案,尽管它似乎比其他方法更依赖于操作者。关键词:生物陶瓷密封器,微ct,根管封闭,根管密封器体积畸变
Evaluation of the root canal tridimensional filling with warm vertical condensation, carrier-based technique and single cone with bioceramic sealer: a micro-CT study
Aim: To compare the quality of the tridimensional (3D) filling and the presence of radiographic translucencies after root canal obturation with three different techniques: warm vertical condensation, carrier-based and single cone with bioceramic sealer.
Methodology: Thirty single-rooted human teeth extracted for periodontal reasons were selected. Glide path was performed with ProGlider and shaping with ProTaper Next (PTN) X1, X2 and X3 up to working length (WL). The specimens were randomly divided into three groups (N=10) for the final 3D filling step: Buchanan’s continuous wave of condensation (Group 1, G1), Thermafil® (Group 2, G2) or TotalFill® BC Points™ combined with TotalFill® BC Sealer (Group 3, G3).
Micro-CT scans were performed after the obturation step and the slices were 3D reconstructed with standardized parameters. Afterwards, the filled area and the associated radiographic translucencies were computer-isolated, and their volumes were calculated. The statistical analysis was performed using one-way ANOVA and the post-hoc Student-Newmann-Keuls (P<0,05).
Results: The mean percentage of translucency areas in the warm vertical condensation group was 1,23%, whereas in the carrier-based group was 4,22% and in the single cone with bioceramic sealer group was 10,44%. The differences between the groups were statistically significant (P=0,029).
Conclusion: All the obturation techniques provided an adequate 3D root canal filling. However, the null hypothesis of a superimposable 3D filling quality between groups was refused. The single cone technique with bioceramic sealer represented a viable clinical alternative, although it seemed more operator-dependent than the others.
Key Words: bioceramic sealer, micro-CT, root canal obturation, root canal sealers volumetric distortion
期刊介绍:
The Giornale Italiano di Endodonzia was founded in 1987 and is the official journal of the Italian Society of Endodontics (SIE). It is a peer-reviewed journal publishing original articles on clinical research and/or clinical methodology, case reports related to Endodontics. The Journal evaluates also contributes in restorative dentistry, dental traumatology, experimental pathophysiology, pharmacology and microbiology dealing with Endodontics.