The Effect of Streptococcus salivarius K12 against Prevotella intermedia on the Reduction of Oral Malodor
문정은, 문윤미, 조자원,
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문정은 ( Moon Jung-Eun ) - Dankook University Graduate School Department of Oral Health
문윤미 ( Moon Yun-Mi ) - Seonam University Department of Dental Hygiene
조자원 ( Cho Ja-Won ) - Dankook University College of Dentistry Department of Preventive Dentistry
KMID : 1157520160120030153
Abstract
Objective: The aim of the study were to observe the anti-microbial activity of Streptococcus salivarius K12 against Prevotella intermedia, and influencing effect to decrease volatile sulfur compounds (VSCs).
Methods: After P. intermedia was cultured with or without S. salivarius K12, VSCs were measured by Oral Chroma. In order to analyze the mechanism for malodor control effect, anti-microbial activity of S. salivarius K12 againist P. intermedia was assessed. After the spent culture mediu or whole bacteria of S. salivarius K12 was mixed with P. intermedia, a mount of VSCs was also checked by use of Oral Chroma.
Results: When S. salivarius K12 was co-cultured P. intermedia, hydrogen sulfide level was decreasing tendency by high concentration of S. salivarius K12, and lower than those of single-cultured (p＜0.05). Antimicrobial effect was revealed on 70% concentration of S. salivarius K12 for P. intermedia.
Conclusion: S. salivarius K12 were considered for decreasing VSCs level originated from P. intermedia.
키워드
bacteria; probiotics; halitosis
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