Antimicrobial efficacy of cordless sonic or ultrasonic devices on Enterococcus faecalis-infected root canals

Q1 Medicine Journal of Investigative and Clinical Dentistry Pub Date : 2019-07-11 DOI:10.1111/jicd.12434

Eugenio Pedullà, Carlo Genovese, Riccardo Messina, Giusy R. M. La Rosa, Giacomo Corsentino, Silvia Rapisarda, Maria T. Arias-Moliz, Gianna Tempera, Simone Grandini

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引用次数: 11

Abstract

Aim

The aim of the present study was to evaluate the immediate and residual antimicrobial activity of cordless sonic or ultrasonic devices on Enterococcus faecalis (E faecalis)-infected teeth.

Methods

A total of 140 single-rooted extracted teeth with E faecalis were grouped as follows (N = 15): conventional syringe irrigation with 3% sodium hypochlorite activated by ultrasonic device (group 1) or cordless ultrasonic device (group 2), EndoActivator (group 3) or without activation (group 4), conventional syringe irrigation with sterile bi-distilled water and ultrasonic device (group 5), EndoUltra (group 6), EndoActivator (group 7), or without activation (group 8). The remaining 20 teeth were used for positive and negative controls. Colony-forming units (CFU) and turbidity were recorded from bacteriological samples taken before and after irrigation and after 24 hours of re-incubation. Data were statistically analyzed using Student's t test, Mann-Whitney test, Kruskal-Wallis test, and Dunn's multiple comparison tests (P < .05).

Results

Groups 1 and 2 showed higher antimicrobial efficacy than groups 3 and 4 (P < .05). No bacteria reduction was found in groups 5-8 (P > .05). After 24 hours, regrowth of bacteria was not significantly different for all groups (P > .05).

Conclusions

Ultrasound produced lower CFU and turbidity after treatment and after re-incubation of 24 hours than sonic or no activation.

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无线超声或超声波装置对粪肠球菌感染根管的抗菌效果

目的评价无线超声和超声波装置对粪肠球菌感染牙齿的即时和残留抗菌活性。方法选取140颗带粪肠杆菌的单根拔牙进行分组(N = 15):用3%次氯酸钠常规注射器冲洗，超声装置(1组)或无线超声装置(2组)、EndoActivator(3组)或未激活(4组)，用无菌双蒸发水和超声装置(5组)、EndoUltra(6组)、EndoActivator(7组)或未激活(8组)进行常规注射器冲洗。其余20个牙作为阳性和阴性对照。从冲洗前后和再孵育24小时后的细菌学样本中记录菌落形成单位(CFU)和浊度。采用Student’st检验、Mann-Whitney检验、Kruskal-Wallis检验和Dunn’s多重比较检验(P <. 05)。结果1、2组抗菌效果优于3、4组(P <. 05)。5 ~ 8组未发现细菌减少(P >. 05)。24 h后，各组细菌的再生量无显著差异(P >. 05)。结论超声治疗后及再孵育24h后CFU及浊度均低于超声或无激活。

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 Investigative and Clinical Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.90

自引率

0.00%

发文量

期刊介绍： Journal of Investigative and Clinical Dentistry (JICD) aims to publish quality, peer reviewed original research and topical reviews on all aspects of investigative and clinical dentistry and craniofacial research, including molecular studies related to oral health and disease. Although international in outlook, the Editor especially encourages papers from the Asia Pacific. The journal also aims to provide clinicians, scientists and students of dentistry with a knowledge transfer platform for rapid publication of reports through an international journal, which will be available free online until 2012. Its scope, therefore, is broad, inclusive and international, but with a particular focus on Asia Pacific. The Editor welcomes manuscripts in the following key thematic areas in oral and maxillofacial sciences: Community Dentistry and Oral Epidemiology, Conservative Dentistry, Dental Biomaterials, Dental Pedagogy, Endodontics and Traumatology, Implant Dentistry, Oral Biosciences, Oral and Maxillofacial Surgery, Oral Medicine, Oral Pathology and Oral Microbiology, Orthodontics, Oral Radiology, Oral Rehabilitation, Paedodontics, Periodontology and Periodontal Medicine.

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