Micro-Computed Tomography Analysis of Resin and Calcium Silicate Based Sealers Removal in Mandibular Molars Curved Canals.

IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Acta Stomatologica Croatica Pub Date : 2024-06-01 DOI:10.15644/asc58/2/3

Arda Buyuksungur, Aysenur Oncu, Mehrdad Koohnavard, Berkan Celikten, Emine Odabasi Tezer, Yan Huang, Kaan Orhan

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Abstract

Objective: The removal of the root canal sealer is an important factor in nonsurgical retreatment. The aim of this study was to compare the removal of AH Plus, Well Root ST, and AH Plus Bioceramic Sealer using Protaper Universal retreatment files.

Methods: The curved mesio-buccal canals of extracted mandibular molars were prepared with the Protaper Gold file system (up to F2). Specimens were randomly divided into 3 groups and filled with the single cone technique using AH Plus, Well-Root ST, and AH Plus Bioceramic Sealer, respectively. After two weeks, the root canal filling of all specimens was removed using Protaper Universal retreatment files. All specimens were scanned using micro-CT. The remaining volume of the root canal filling was recorded in total and the coronal, middle, and apical third of each specimen.

Results: Well-Root ST and AH Plus Bioceramic Sealer groups had a higher percentage of total remaining filling material than the AH Plus group (P<0.05).

Conclusion: This study has shown that the volume of remaining root canal filling was significantly higher in the samples filled with calcium silicate-based sealers.

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下颌磨牙弯道中树脂和硅酸钙封闭剂清除的显微计算机断层扫描分析

目的：根管封闭剂的去除是非手术再治疗的一个重要因素。本研究旨在比较使用 Protaper 通用再治疗锉去除 AH Plus、Well Root ST 和 AH Plus 生物陶瓷封闭剂的效果：使用 Protaper Gold 锉系统（最高至 F2）对拔出的下颌磨牙的弯曲中颊面管进行预备。将标本随机分为 3 组，分别使用 AH Plus、Well-Root ST 和 AH Plus 生物陶瓷封闭剂进行单锥技术填充。两周后，使用 Protaper 通用再治疗锉去除所有标本的根管充填物。使用显微 CT 扫描所有标本。记录了根管填充物的剩余体积，以及每个标本的冠状、中间和根尖三分之一处的剩余体积：结果：Well-Root ST 组和 AH Plus 生物陶瓷封闭剂组的剩余充填材料总量百分比高于 AH Plus 组（PC结论：该研究表明，生物陶瓷封闭剂组的剩余充填材料总量百分比高于 AH Plus 组：这项研究表明，使用硅酸钙封闭剂填充的样本剩余根管充填物的体积明显更高。

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

Acta Stomatologica Croatica DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.40

自引率

28.60%

发文量

审稿时长

12 weeks

期刊介绍： The Acta Stomatologica Croatica (ASCRO) is a leading scientific non-profit journal in the field of dental, oral and cranio-facial sciences during the past 44 years in Croatia. ASCRO publishes original scientific and clinical papers, preliminary communications, case reports, book reviews, letters to the editor and news. Review articles are published by invitation from the Editor-in-Chief by acclaimed professionals in distinct fields of dental medicine. All manuscripts are subjected to peer review process.