Comparative evaluation of four different root canal irrigation techniques for apical extrusion of sodium hypochlorite - An in vitro study.

Q2 Dentistry

Journal of Conservative Dentistry Pub Date : 2023-07-01 Epub Date: 2023-07-28 DOI:10.4103/jcd.jcd_210_23

Rasika Rajendra Kashikar, Ajit Hindlekar, Ganesh R Jadhav, Priya Mittal, Prithwish Mukherjee

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Abstract

Objective: This study compared the potential for apical extrusion of sodium hypochlorite (NaOCl) when using needle irrigation (NI), passive ultrasonic irrigation (PUI), passive subsonic irrigation (PSI), and negative pressure system (NP).

Materials and methods: One hundred freshly extracted human permanent anterior teeth with complete root formation were embedded rigidly in agarose gel-containing cresol purple. Teeth were randomly allocated to six groups: G1-NI; G2-PUI; G3-PSI; G4-NP; G5-positive control; and G6-negative control. The chemomechanical preparation was completed and 12 ml of 3% NaOCl was delivered for 180 s in all groups. Dye diffusion was standardized by doing gel photography after the NaOCl final irrigation the Chi-square test and Kruskal-Wallis one-way analysis of variance test were used for the data analysis.

Results: G1 had statistically significant apical extrusion compared to G2 (P = 0.001), G3 (P = 0.001), and G4 (P = 0.001) groups. G4 showed the least amount of apical extrusion.

Conclusions: pH-sensitive gel model is useful in evaluating NaOCl extrusion. NP produced least NaOCl extrusion as compared to the other three systems. Due consideration should be given to the potential for apical extrusion of the irrigant before the selection of an irrigation system.

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四种不同根管冲洗技术对次氯酸钠根尖挤压的比较评价——一项体外研究。

目的：本研究比较了针头冲洗（NI）、被动超声冲洗（PUI）、被动亚音速冲洗（PSI）和负压系统（NP）对次氯酸钠（NaOCl）根尖挤出的潜力。材料和方法：将100颗新鲜提取的具有完全牙根形成的人类恒牙牢固地包埋在含有甲酚紫的琼脂糖凝胶中。将牙齿随机分为六组：G1-NI；G2-PUI；G3-PSI；G4-NP；G5阳性对照；G6阴性对照。化学机械制备完成，并在所有组中递送12ml的3%NaOCl 180 s。NaOCl最终灌溉后，通过凝胶摄影对染料扩散进行标准化。数据分析采用卡方检验和Kruskal-Wallis单向方差分析检验。结果：与G2组（P=0.001）、G3组（P=0.000）和G4组（P=0.00 1）相比，G1组的根尖挤压具有统计学意义。G4的根尖挤出量最小。结论：pH敏感凝胶模型可用于NaOCl挤出的评价。与其他三种系统相比，NP产生的NaOCl挤出最少。在选择灌溉系统之前，应充分考虑冲洗剂顶端挤出的可能性。

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

Journal of Conservative Dentistry Dentistry-Dentistry (all)

CiteScore

2.10

自引率

0.00%

发文量

114

期刊介绍： The Journal of Conservative Dentistry (ISSN - 0972-0707) is the official journal of the Indian Association of Conservative Dentistry and Endodontics (IACDE). Our journal publishes scientific articles, case reports, short communications, invited reviews and comparative studies evaluating materials and methods in the fields of Conservative Dentistry, Dental Materials and Endodontics. J Conserv Dent has a diverse readership that includes full-time clinicians, full-time academicians, residents, students and scientists. Effective communication with this diverse readership requires careful attention to writing style.