Anaerobe · 2026
Impact of saliva on the efficacy of antiseptics against selected periopathogens.
СтатьяНазвание и аннотация: Перевод в очереди
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Korbecka-Paczkowska Marzena, Karpiński Tomasz M
Аннотация
OBJECTIVE: Oral anaerobic bacteria are key contributors to infectious diseases, including endodontic-, periodontal-, peri-implant infections, and oral abscesses. The management of these conditions frequently involves the use of antiseptics. However, the influence of saliva on the antimicrobial efficacy of antiseptics remains insufficiently elucidated. This study assessed the activity of boric acid (BA), chlorhexidine (CHX), ethacridine lactate (ET), hydrogen peroxide (H2O2), octenidine (OCT), polyhexanide (PHMB), potassium permanganate (KMnO4), and povidone-iodine (PVI), against three representative anaerobes: Fusobacterium nucleatum, Porphyromonas gingivalis, Prevotella intermedia, and facultative anaerobe Schaalia odontolytica, in the presence of Schaedler medium or human saliva.
METHODS: The minimal inhibitory concentrations (MICs) of antiseptics were determined using the broth microdilution technique. Assays were performed in both Schaedler medium and unstimulated human saliva to compare the antimicrobial effect.
RESULTS: OCT, CHX, PHMB, PVI and H2O2 demonstrated strong antimicrobial effects against tested periopathogens, regardless of the medium used. ET and BA showed moderate inhibitory effects, whereas KMnO4 had weak activity under the experimental conditions. The antiseptics' antimicrobial potency was not substantially diminished by the presence of saliva.
CONCLUSION: OCT, CHX, PHMB, H2O2, and PVI retain their antimicrobial efficacy in the salivary environment, underscoring their potential for use in oral hygiene and the management of anaerobic oral infections. Saliva had minimal impact on the antimicrobial efficacy of the antiseptics, with only a slight non-significant reduction for OCT, CHX and PHMB.
METHODS: The minimal inhibitory concentrations (MICs) of antiseptics were determined using the broth microdilution technique. Assays were performed in both Schaedler medium and unstimulated human saliva to compare the antimicrobial effect.
RESULTS: OCT, CHX, PHMB, PVI and H2O2 demonstrated strong antimicrobial effects against tested periopathogens, regardless of the medium used. ET and BA showed moderate inhibitory effects, whereas KMnO4 had weak activity under the experimental conditions. The antiseptics' antimicrobial potency was not substantially diminished by the presence of saliva.
CONCLUSION: OCT, CHX, PHMB, H2O2, and PVI retain their antimicrobial efficacy in the salivary environment, underscoring their potential for use in oral hygiene and the management of anaerobic oral infections. Saliva had minimal impact on the antimicrobial efficacy of the antiseptics, with only a slight non-significant reduction for OCT, CHX and PHMB.