In vitro evaluation of the influence of ultrasonic activation on physicochemical properties of three endodontic repair materials

IF 1.3 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Australian Endodontic Journal Pub Date : 2024-12-06 DOI:10.1111/aej.12912

Luciana Maria Arcanjo Frota DDS, MSc, PhD, Bernardo Almeida Aguiar DDS, MSc, PhD, Suyane Maria Luna-Cruz DDS, MSc, PhD, Ana Grasiela Limoeiro DDS, MSc, PhD, Murilo Priori Alcalde DDS, MSc, PhD, Rodrigo Ricci Vivan DDS, MSc, PhD, Marco Antonio Hungaro Duarte DDS, MSc, PhD, Bruno Carvalho de Vasconcelos DDS, MSc, PhD

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引用次数: 0

Abstract

The influence of ultrasonic activation (UA) on the physicochemical properties of setting time (n = 5), volumetric stability (n = 10), alkalizing activity/calcium ions release (pH/Ca²⁺) (n = 10) and calcium/phosphate-rich substance formation in simulated body fluid (Hank's balanced salt solution; HBSS) of three cements was evaluated: white MTA-Angelus (MTA), MTA Repair HP (MTAHP) and Biodentine (BIO). It was observed that UA influenced the setting times (min) distinctly, delaying the initial setting time of MTA (40.8/64.6) and accelerating that of BIO (35.6/22.4). The final setting time of MTAHP (154.4/114.6) and BIO (64.4/42.4) were also accelerated (p < 0.05). Volumetric reduction was observed in all groups, with MTA/UA being the most volumetrically stable (0.98%); UA did not influence volumetric stability (p > 0.05). All groups exhibited an alkaline pH, with a disadvantage for MTAHP and MTAHP/UA at 24 h, 72 h and 168 h (p < 0.05). All groups showed Ca²⁺ release. The tested cements exhibited a favourable Ca/P ratio on their surface after 28 days.

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超声活化对三种牙髓修复材料理化性能影响的体外评价。

超声活化（UA）对模拟体液(Hank’s平衡盐溶液；评估三种骨水泥的HBSS：白色MTA- angelus （MTA）、MTA Repair HP （MTAHP）和Biodentine （BIO）。结果表明，UA对凝固时间（min）有明显的影响，延迟了MTA的初始凝固时间（40.8/64.6），加快了BIO的初始凝固时间（35.6/22.4）。MTAHP（154.4/114.6）和BIO（64.4/42.4）的最终凝固时间也加快（p 0.05）。在24 h、72 h和168 h （p 2+）释放时，所有组均呈碱性，MTAHP和MTAHP/UA均处于劣势。28天后，测试水泥的表面显示出良好的Ca/P比。

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

Australian Endodontic Journal DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.50

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： The Australian Endodontic Journal provides a forum for communication in the different fields that encompass endodontics for all specialists and dentists with an interest in the morphology, physiology, and pathology of the human tooth, in particular the dental pulp, root and peri-radicular tissues. The Journal features regular clinical updates, research reports and case reports from authors worldwide, and also publishes meeting abstracts, society news and historical endodontic glimpses. The Australian Endodontic Journal is a publication for dentists in general and specialist practice devoted solely to endodontics. It aims to promote communication in the different fields that encompass endodontics for those dentists who have a special interest in endodontics.