臭氧水对口腔疾病相关浮游生物和细菌生物膜的杀菌和清洁作用

IF 0.3 4区 医学 Q4 ENGINEERING, BIOMEDICAL Journal of Hard Tissue Biology Pub Date : 2021-01-01 DOI:10.2485/JHTB.30.27
M. Murakami, K. Nagano, K. Hamaoka, Daisuke Kato, T. Kawai, H. Murakami, Y. Hasegawa
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引用次数: 6

摘要

臭氧水一直被认为是一种杀菌消毒剂。然而,臭氧水对与口腔疾病有关的细菌的杀菌作用尚未得到彻底的研究。此外,虽然口腔细菌存在于生物膜中,但很少有研究探讨臭氧水对生物膜的影响。在本研究中,我们旨在研究臭氧水对口腔疾病相关细菌和细菌生物膜的杀菌作用。我们研究了臭氧水在浮游和生物膜生长条件下对口腔疾病相关致病菌(金黄色葡萄球菌、铜绿假单胞菌、变形链球菌和牙龈卟啉单胞菌)的杀菌和清洁效果。当浮游细菌暴露在5ppm的臭氧水中时,对所有被测试的细菌都有显著的抗菌活性。相反,生物膜对臭氧水表现出较高的抵抗性;即使反复接触臭氧水,细菌负荷也仅略有下降。然而,当臭氧水以低流量持续作用于聚苯乙烯磁盘上的生物膜时,磁盘上的细菌数量明显减少。我们的研究结果表明,持续使用臭氧水可以消除口腔疾病相关细菌,甚至在生物膜中。水洗间,细菌数量也受水和臭氧水处理水洗效果的影响。即使用臭氧水和水处理三次,金黄色葡萄球菌、铜绿假单胞菌和变形葡萄球菌生物膜的活菌数也没有减少的迹象。P。经水和臭氧水处理后,牙龈菌CFUs略有下降。
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Ozone Water Bactericidal and Cleaning Effects on Oral Diseases-related Planktonic and Bacterial Biofilms
: Ozone water has long been known as a bactericidal disinfectant. However, the bactericidal effect of ozone water on bacteria associated with oral diseases has not been thoroughly examined. Further, although oral bacteria reside in biofilms, few studies have explored the effects of ozone water on biofilms. In this study, we aimed to investigate the bactericid al effect of ozone water on bacteria and bacterial biofilms associated with oral diseases. We examined the bactericidal and cleaning effects of ozone water on pathogenic bacteria associated with oral diseases ( Staphylococcus aureus , Pseudomonas aeruginosa , Streptococcus mutans , and Porphyromonas gingivalis ) under planktonic and biofilm growth conditions. When planktonic bacteria were exposed to 5-ppm ozone water, a remarkable antibacterial activity was observed against all of the tested bacterial species. Contrarily, biofilms showed high resistance to ozone water; the bacterial load only slightly de creased even after repeated exposure to ozone water. However, when ozone water was continuously applied at a low flow rate to the biofilms on polystyrene disks, the number of bacteria on the disks was significantly decreased. Our results have shown that the continuous application of ozone water can eliminate oral disease-related bacteria even in biofilms. washed between treatments, bacterial numbers were also affected by the washing effect of water and ozone water treatments. There were no signs of a reduction in viable counts of S. aureus , P. aeruginosa , and S. mutans biofilms even after three treatments with ozone water, as well as with water. P . gingivalis strains showed a slight decrease in CFUs after water and ozone water treatments.
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来源期刊
Journal of Hard Tissue Biology
Journal of Hard Tissue Biology ENGINEERING, BIOMEDICAL-
CiteScore
0.90
自引率
0.00%
发文量
28
审稿时长
6-12 weeks
期刊介绍: Information not localized
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