Spectrophotometric Analysis of Apical Extrusion of Sodium Hypochlorite using Different Irrigation Protocols in an Ex Vivo Model of Immature Teeth.

IF 1.1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE European Journal of Prosthodontics and Restorative Dentistry Pub Date : 2024-05-31 DOI:10.1922/EJPRD_2635Vieira07

W Viera, L Gonçalves, V A B Dos Santos, B P F A Gomes, C C Ferraz, J F de Almeida, M Marciano, M Frozoni, A de-Jesus-Soares

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Abstract

Objective: To evaluate the effect of different agitation methods on apical extrusion of 1.5% sodium hypochlorite (NaOCl) in an ex vivo model of immature teeth.

Methods: Sixty extracted human inferior incisors were prepared to simulate immature teeth and embedded in an artificial root socket made of silicone impression material. The teeth were then divided into four groups: Conventional needle irrigation (CNI) alone, CNI supplemented with Ultrasonic Irrigant Activation (UIA), EasyClean (EC), or XP-endo Finisher (XPF). Extruded NaOCl was collected, reacted with m-cresol purple, and its absorbance values were measured. The data were statistically analyzed using One-way analysis of variance with a significance level of 5%.

Results: All groups showed apically extruded irrigating solution, and the mean volumes of extruded NaOCl did not differ significantly between any of the test groups (p⟩0.05).

Conclusion: The activation of 1.5% NaOCL by UIA, EC, or XPF as supplementary to CNI does not promote greater apical extrusion when compared to CNI alone in simulated immature teeth.

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在未成熟牙齿活体模型中使用不同灌洗方案对次氯酸钠根尖挤出量进行分光光度分析

目的评估不同搅拌方法对 1.5% 次氯酸钠（NaOCl）在未成熟牙齿活体模型中根尖挤出的影响：制备 60 颗拔出的人类下切牙以模拟未成熟牙齿，并将其嵌入硅胶印模材料制成的人工牙根窝中。然后将这些牙齿分为四组：单用传统针头冲洗法（CNI）、CNI 辅以超声波冲洗激活法（UIA）、EasyClean（EC）或 XP-endo Finisher（XPF）。收集挤出的 NaOCl，与间甲酚紫反应，测量其吸光度值。采用单因素方差分析对数据进行统计分析，显著性水平为 5%：结果：所有试验组的灌洗液均从根尖挤出，各试验组挤出的 NaOCl 的平均体积均无显著差异（p⟩0.05）：结论：在模拟未成熟牙中，用 UIA、EC 或 XPF 激活 1.5% NaOCL 作为 CNI 的补充，与单独使用 CNI 相比，不会促进更多的根尖挤出。

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来源期刊

European Journal of Prosthodontics and Restorative Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.30

自引率

7.70%

发文量

期刊介绍： The European Journal of Prosthodontics and Restorative Dentistry is published quarterly and includes clinical and research articles in subjects such as prosthodontics, operative dentistry, implantology, endodontics, periodontics and dental materials.