光动力疗法对树脂基和硅酸钙基根管密封剂推出结合强度的影响

IF 1.4 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Saeede Zadsirjan, Mohammad Asnaashari, Atoosa Yazdani, Soolmaz Heidari, Tina Estarami
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引用次数: 0

摘要

简介:本研究旨在评估光动力疗法(PDT)对树脂基和硅酸钙基根管密封剂的推出结合强度(PBS)的影响。方法:40颗单管牙分为4组。采用冠下法预备根管并去除涂片层后,1、2组作为对照组,3、4组以低能级二极管激光为光源,亚甲基蓝为光敏剂(MB)进行PDT治疗。1、3组用AH26密封剂填充根管,2、4组用Endoseal TCS填充根管。样品在距离尖端4、8和12 mm处切片(1mm厚的切片)。进行PBS试验,确定冠状、中间和根尖三分之一的失效模式。数据通过Kruskal-Wallis, Friedman和Dunn测试进行分析。结果:树脂基和硅酸钙基封口剂在根尖、中、冠状三分之一的PBS应用PDT时,差异无统计学意义(P>0.05)。AH26的PBS显著高于Endoseal TCS (p < 0.05)。AH26组以内聚性失效为主,Endoseal TCS组以混合性失效为主。结论:PDT对树脂基和硅酸钙基密封剂的PBS无显著影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Photodynamic Therapy on the Pushout Bond Strength of Resin-Based and Calcium Silicate-Based Endodontic Sealers
Introduction: This study aimed to assess the effect of photodynamic therapy (PDT) on the pushout bond strength (PBS) of resin-based and calcium silicate-based endodontic sealers. Methods: Forty single-canal teeth were assigned to four groups. After root canal preparation by the crown-down technique and smear layer removal, groups 1 and 2 served as the control group, and groups 3 and 4 underwent PDT by using a low-level diode laser as the light source and methylene blue as the photosensitizer (MB). The root canals in groups 1 and 3 were filled with AH26 sealer while the root canals in groups 2 and 4 were filled with Endoseal TCS. The samples were sectioned at 4, 8, and 12 mm from the apex tip (1mm thick slices). The PBS test was performed, and the mode of failure was determined in the coronal, middle, and apical thirds. The data were analyzed by the Kruskal-Wallis, Friedman, and Dunn tests. Results: No significant difference was noted in the PBS of resin-based and calcium silicate-based sealers in the apical, middle, or coronal thirds in the application of PDT (P>0.05). The PBS of AH26 was significantly higher than that of Endoseal TCS (P<0.05). Cohesive failure was the dominant mode of failure in the AH26 groups, while mixed failure was the dominant failure mode in the Endoseal TCS groups. Conclusion: PDT had no significant effect on the PBS of resin-based and calcium silicate-based sealers.
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来源期刊
Journal of lasers in medical sciences
Journal of lasers in medical sciences RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
3.00
自引率
13.30%
发文量
24
期刊介绍: The "Journal of Lasers in Medical Sciences " is a scientific quarterly publication of the Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences. This journal received a scientific and research rank from the national medical publication committee. This Journal accepts original papers, review articles, case reports, brief reports, case series, photo assays, letters to the editor, and commentaries in the field of laser, or light in any fields of medicine such as the following medical specialties: -Dermatology -General and Vascular Surgery -Oncology -Cardiology -Dentistry -Urology -Rehabilitation -Ophthalmology -Otorhinolaryngology -Gynecology & Obstetrics -Internal Medicine -Orthopedics -Neurosurgery -Radiology -Pain Medicine (Algology) -Basic Sciences (Stem cell, Cellular and Molecular application and physic)
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