Antibacterial efficacy of a pH-neutral electrolyzed super-oxidized solution for nonsurgical periodontal treatment

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31 8月 2026

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Author : 伤口世界

Cynthia Carolina Gonz-alez-Cantú ^a , Angel Torres-Mu -noz ~ ^a , Víctor Hugo Urrutia-Baca ^b,**, Gustavo Adolfo S-anchez-García ^a , Myriam Ang-elica De La Garza-Ramos ^a,*

^a Autonomous University of Nuevo Le-on, Center for Research and Development in Health Sciences (CIDICS), General Odontology and Specialties. Dr. Aguirre Pequeno and ~ Silao St, Mitras Centro, 64460, Monterrey, Nuevo Leon, Mexico

^b Autonomous University of Nuevo Le-on, School of Biological Sciences. the Immunology and Virology Laboratory. Pedro de Alba and Manuel L. Barragan St, Ciudad Universitaria, 66450, San Nicolas de Los Garza, Nuevo Leon, Mexico

ABSTRACT

Objective: Mouthwash is effective in maintaining oral hygiene in patients; however, there is concern that it may adversely affect human oral mucosa. We evaluated a pH-neutral electrolyzed super-oxidized solution (ESS, tradename OxOral®) combined with dental scaling in periodontitis patients. This longitudinal study was conducted with 34 patients divided into three groups. The control group treated with scaling plus saline, the second with scaling plus ESS mouthwash, and another with scaling plus ESS mouthwash and gel. The plaque index (PI), gingival index (GI), and probing depth (PD) were determined before and after periodontal treatment. Results: The final PI and GI decreased compared with the initial measurements in the three treatment groups (p < 0.05). Scaling plus ESS mouthwash and gel significantly reduced the final PI, GI, and DP compared to the control group (p < 0.05). Conclusion: Our study shows the antiseptic properties of ESS with mouthwash and gel. Further studies are needed to verify the results.

ARTICLE INFO

Keywords: Adjuvant；Antiseptic ；Dental scaling and root planning；Mouthwash；Periodontal treatment

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Antibacterial efficacy of a pH-neutral electrolyzed super-oxidized solution for nonsurgical periodontal treatment 2026-08-31 00:00

Cynthia Carolina Gonz-alez-Cantú ^a , Angel Torres-Mu -noz ~ ^a , Víctor Hugo Urrutia-Baca ^b,**, Gustavo Adolfo S-anchez-García ^a , Myriam Ang-elica De La Garza-Ramos ^a,*

^a Autonomous University of Nuevo Le-on, Center for Research and Development in Health Sciences (CIDICS), General Odontology and Specialties. Dr. Aguirre Pequeno and ~ Silao St, Mitras Centro, 64460, Monterrey, Nuevo Leon, Mexico

^b Autonomous University of Nuevo Le-on, School of Biological Sciences. the Immunology and Virology Laboratory. Pedro de Alba and Manuel L. Barragan St, Ciudad Universitaria, 66450, San Nicolas de Los Garza, Nuevo Leon, Mexico

ABSTRACT

Objective: Mouthwash is effective in maintaining oral hygiene in patients; however, there is concern that it may adversely affect human oral mucosa. We evaluated a pH-neutral electrolyzed super-oxidized solution (ESS, tradename OxOral®) combined with dental scaling in periodontitis patients. This longitudinal study was conducted with 34 patients divided into three groups. The control group treated with scaling plus saline, the second with scaling plus ESS mouthwash, and another with scaling plus ESS mouthwash and gel. The plaque index (PI), gingival index (GI), and probing depth (PD) were determined before and after periodontal treatment. Results: The final PI and GI decreased compared with the initial measurements in the three treatment groups (p < 0.05). Scaling plus ESS mouthwash and gel significantly reduced the final PI, GI, and DP compared to the control group (p < 0.05). Conclusion: Our study shows the antiseptic properties of ESS with mouthwash and gel. Further studies are needed to verify the results.

ARTICLE INFO

Keywords: Adjuvant；Antiseptic ；Dental scaling and root planning；Mouthwash；Periodontal treatment
Effects of stabilized hypochlorous acid on oral biofilm bacteria 2026-08-28 00:00

Olivia Aherne^1,2, Roberto Ortiz² , Magnus M. Fazli^3,4 and Julia R. Davies^1*

Abstract

Background: Caries and periodontitis are amongst the most prevalent diseases worldwide, leading to pain and loss of oral function for those affected. Prevention relies heavily on mechanical removal of dental plaque biofilms but for populations where this is not achievable, alternative plaque control methods are required. With concerns over unde-sirable side-effects and potential bacterial resistance due to the use of chlorhexidine gluconate (CHX), new antimicrobial substances for oral use are greatly needed. Here we have investigated the antimicrobial effect of hypochlorous acid (HOCl), stabilized with acetic acid (HAc), on oral biofilms and compared it to that of CHX. Possible adverse effects of stabilized HOCl on hydroxyapatite surfaces were also examined.

Methods: Single- and mixed-species biofilms of six common oral bacteria (Streptococcus mutans, Streptococcus gordonii, Actinomyces odontolyticus, Veillonella parvula, Parvimonas micra and Porphyromonas gingivalis) within a flow-cell model were exposed to HOCl stabilized with 0.14% or 2% HAc, pH 4.6, as well as HOCl or HAc alone. Biofilm viability was assessed in situ using confocal laser scanning microscopy following LIVE/DEAD® BacLight™ staining. In-situ quartz crystal microbalance with dissipation (QCM-D) was used to study erosion of hydroxyapatite (HA) surfaces by stabilized HOCl.

Results: Low concentrations of HOCl (5 ppm), stabilized with 0.14% or 2% HAc, significantly reduced viability in multi-species biofilms representing supra- and sub-gingival oral communities, after 5 min, without causing erosion of HA surfaces. No equivalent antimicrobial effect was seen for CHX. Gram-positive and Gram-negative bacteria showed no significant differential suceptibility to stabilized HOCl.

Conclusions: At low concentrations and with exposure times which could be achieved through oral rinsing, HOCl stabilized with HAc had a robust antimicrobial activity on oral biofilms, without causing erosion of HA surfaces or affecting viability of oral keratinocytes. This substance thus appears to offer potential for prevention and/or treatment of oral biofilm-mediated diseases.

Keywords: Biofilm control, Oral disease, Caries, Periodontitis, Oral infection
Hypochlorous Acid as a Potential Postsurgical Antimicrobial Agent in Periodontitis: A Randomized, Controlled, Non-Inferiority Trial 2026-08-26 00:00

Julio Cesar Plata ^1,2, David Díaz-Báez ³, Nathaly Andrea Delgadillo ³, Diana Marcela Castillo ³, Yormaris Castillo ³ , Claudia Patricia Hurtado ², Yineth Neuta ³ , Justo Leonardo Calderón ³ and Gloria Inés Lafaurie ^3,*

1 Master’s Program in Dental Sciences, School of Dentistry, Universidad El Bosque, Bogotá P.O. Box 110121, Colombia; 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

2 School of Dentistry, Universidad Cooperativa de Colombia, Bucaramanga P.O. Box 680001, Colombia; 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

3 Unit of Oral Basic Investigation-UIBO, School of Dentistry, Universidad El Bosque, Bogotá P.O. Box 110121, Colombia; 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (D.D.-B.); 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (N.A.D.); 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (D.M.C.); 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (Y.C.); 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (Y.N.); 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。 (J.L.C.)

* Correspondence: 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。

Abstract: Background: Hypochlorous acid (HOCl) is an antimicrobial agent with high affinity to Gram-negative bacteria of the subgingival biofilm. It could have an equivalent or no inferiority effect to chlorhexidine (CHX) to avoid recolonization of these microorganisms after the post-surgical period. Objective: The objective is to compare the reduction of plaque index (PI), gingival index (GI), pocket depth (PD), gain of clinical attachment level (CAL), and bacterial recolonization of periodontopathic microorganisms in subgingival biofilm at 7, 21, and 90 days after Open Flap Debridement (OFD) under two antimicrobial protocols: (A) HOCl 0.05% followed by HOCl 0.025% and (B) CHX 0.2%/CHX 0.12% used per 21 days without regular oral hygiene during the post-surgical period. Material and methods: A no-inferiority randomized controlled trial was carried out. Thirty-two patients were randomly divided to receive each antiplaque protocol after OFD in patients with periodontitis. Clinical indexes and bacterial recolonization were assessed using qPCR for up to 90 days. Data were analyzed using repeated measures ANOVA, mixed effects models adjusted for treatment, time, and the Chi-squared/Fisher test. A no-inferiority analysis was also performed using the Hodges–Lehmann hypothesis test for non-inferiority. Results: HOCl was not inferior to CHX in reducing PI. Both groups showed a comparable reduction of recolonization for Porphyromonas gingivalis, Tannerella forsythia, and Eubacterium nodatum. However, the HOCl protocol was non-inferior to the CHX protocol for Treponema denticola and Aggregatibacter actinomicetemcomitans. Conclusions: HOCl improved periodontal healing. HOCl showed an impact in reducing the recolonization of periodontopathic bacteria in the postoperative period.

Keywords: chlorhexidine; antiplaque; bacterial recolonization; hypochlorous acid

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