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1 0 0 0 OA Can hypochlorous acid be a powerful sanitizer to replace alcohol for disinfection ? —Its bactericidal, degradation of the solutions under various storage condition, and steel rust effects

著者
Takashi KAMEDA Shunya OKA Jun-ichi IGAWA Makoto SAKAMOTO Kazuto TERADA
出版者
The Japanese Society for Dental Materials and Devices
雑誌
Dental Materials Journal (ISSN:02874547)
巻号頁・発行日
vol.41, no.1, pp.167-183, 2022-01-25 (Released:2022-02-01)
参考文献数
26
被引用文献数
2
Coronavirus disease pandemic has led to a shortage of disinfectant alcohol (DA; 76.9–81.4% ethanol solution) in Japan. This study investigated the availability of hypochlorous acid (HA) as an alternative disinfectant to DA in clinical environment. HA is a safe and economical disinfectant with a broad antibacterial spectrum and low risk of hand irritation, which is used worldwide. In this study, HA and sodium hypochlorite solution (SH) were degraded over time and the degradation was accelerated by temperature and lighting. Results of bactericidal effects of HA revealed that the realistic effective concentration should be 200 ppm. Compared with DA, the dental carbon steel burs were more severely rusted by SH and HA. These results indicated that high concentration of HA generated on-site could be an effective and safe disinfectant for use immediately after generation with consideration of object materials in clinical environment, as an alternative to DA.

1 0 0 0 OA Can hypochlorous acid be a powerful sanitizer to replace alcohol for disinfection ? —Its bactericidal, degradation of the solutions under various storage condition, and steel rust effects

著者
Takashi KAMEDA Shunya OKA Jun-ichi IGAWA Makoto SAKAMOTO Kazuto TERADA
出版者
The Japanese Society for Dental Materials and Devices
雑誌
Dental Materials Journal (ISSN:02874547)
巻号頁・発行日
pp.2021-146, (Released:2021-10-22)
参考文献数
26
被引用文献数
2
Coronavirus disease pandemic has led to a shortage of disinfectant alcohol (DA; 76.9–81.4% ethanol solution) in Japan. This study investigated the availability of hypochlorous acid (HA) as an alternative disinfectant to DA in clinical environment. HA is a safe and economical disinfectant with a broad antibacterial spectrum and low risk of hand irritation, which is used worldwide. In this study, HA and sodium hypochlorite solution (SH) were degraded over time and the degradation was accelerated by temperature and lighting. Results of bactericidal effects of HA revealed that the realistic effective concentration should be 200 ppm. Compared with DA, the dental carbon steel burs were more severely rusted by SH and HA. These results indicated that high concentration of HA generated on-site could be an effective and safe disinfectant for use immediately after generation with consideration of object materials in clinical environment, as an alternative to DA.