评价羟基自由基 (OH˙) 释放对牙科诊所空气和表面消毒的功效:一项体外研究。

IF 2.2 3区 医学
A Paños-Crespo, J Toledano-Serrabona, M-Á Sánchez-Garcés, C Gay-Escoda
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引用次数: 0

摘要

背景介绍人们对室内空气质量的关注急剧增加。特别是在牙科诊所,因为牙科诊所的特点是会产生大量气溶胶:材料和方法:采用体外模型,在使用 OH˙自由基发生器前后从牙科诊所的表面和室内空气中采集样本:结果:共采集了 1260 份样本进行细菌分析,14 份样本进行 SARS-CoV-2 检测。经 OH˙处理后,被测表面样本在 TSA 培养基中的菌落形成单位(CFU)数量减少了 76.9%。室内循环空气样本在沙保鲁培养基中的菌落形成单位数减少了 66.7%,在甘露醇琼脂培养基中减少了 71.4%。在面罩表面没有观察到 SARS-CoV-2 的存在:结论:使用羟基自由基(OH˙)的消毒技术能有效减少空气中的霉菌、酵母菌和葡萄球菌,并减少测试表面的需氧细菌总数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of the efficacy of hydroxyl radical (OH˙) release for disinfection of the air and surfaces in the dental clinic: an in vitro study.

Background: Concerning about the quality of room air has increased exponentially. Specially in dental clinics where diary practice is characterized by the important generation of aerosols.

Material and methods: An in vitro model was used in which samples were collected from the surfaces and room air of a dental clinic before and after the use of an OH˙ radical generator.

Results: A total of 1260 samples were collected for bacteriological analysis and 14 samples for the detection of SARS-CoV-2. Following OH˙ treatment, the tested surface samples showed a decrease in the number of colony forming units (CFUs) of 76.9% in TSA culture medium. The circulating room air samples in turn showed a decrease in CFUs of 66.7% in Sabouraud medium and 71.4% in Mannitol agar medium. No presence of SARS-CoV-2 was observed on the surface of the face shield.

Conclusions: The disinfectant technology based on the use of hydroxyl radicals (OH˙) is effective in reducing the presence of moulds and yeasts and Staphylococcus in the air, and in reducing total aerobic bacteria on the tested surfaces.

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来源期刊
CiteScore
4.50
自引率
0.00%
发文量
52
期刊介绍: 1. Oral Medicine and Pathology: Clinicopathological as well as medical or surgical management aspects of diseases affecting oral mucosa, salivary glands, maxillary bones, as well as orofacial neurological disorders, and systemic conditions with an impact on the oral cavity. 2. Oral Surgery: Surgical management aspects of diseases affecting oral mucosa, salivary glands, maxillary bones, teeth, implants, oral surgical procedures. Surgical management of diseases affecting head and neck areas. 3. Medically compromised patients in Dentistry: Articles discussing medical problems in Odontology will also be included, with a special focus on the clinico-odontological management of medically compromised patients, and considerations regarding high-risk or disabled patients. 4. Implantology 5. Periodontology
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