Hypochlorous Acid Mouthwash, Oral Bacteria, and Staphylococcus Aureus

Mouthwash is one method of maintain oral health and to reduce the dental plaque and gum inflammation. However, the effects of mouthwash on oral bacteria were not consistent among different brands of them. The aims of present study were to determine the effects of a new designed mouthwash with hypochlorous acid on oral bacteria and Staphylococcus aureus. All participants were invited as a volunteer to attend this study from a private dental clinic and diagnosed by the same dentist. Patients with periodontal diseases were randomized selected as mouthwash group and mouthwash plus dental flossing device (La Chlogen, Taiwan) group. Patients for regular dental visit and without periodontal disease were invited as a control group having mouth rinse with water. After the inform consent was signed, participants completed the intervention study, saliva collection, and a simple survey under the guide of a dental assistant. Saliva samples were collected before and after the intervention for bacterial DNA extraction. A real-time polymerase chain reaction and S. aureus with serial dilutions were applied for the estimation of total oral bacterial count (TOBC) in saliva. An in vitro assay with CCK-8 reagent was apply to test the antibacterial ability of mouthwash.