Relationship between Volatile Sulfur Compounds and the Oral Environment in Patients Complaining of Oral Malodor

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  • SASAKI Izumi
    Department of Hygiene and Oral Health Science, Tokushima University Graduate School of Biomedical Sciences
  • FUKUI Makoto
    Department of Hygiene and Oral Health Science, Tokushima University Graduate School of Biomedical Sciences Dental Hygiene Section, Tokushima University Hospital
  • SAKAMOTO Harumi
    Department of Hygiene and Oral Health Science, Tokushima University Graduate School of Biomedical Sciences Department of Oral Health Sciences, Faculty of Health and Welfare, Tokushima Bunri University
  • TAMATANI Kanako
    Dental Hygiene Section, Tokushima University Hospital
  • HINODE Daisuke
    Department of Hygiene and Oral Health Science, Tokushima University Graduate School of Biomedical Sciences Dental Hygiene Section, Tokushima University Hospital

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Other Title
  • 口臭症患者に認められる揮発性硫黄化合物と口腔環境との関連性
  • コウシュウショウ カンジャ ニ ミトメラレル キハツセイ イオウ カゴウブツ ト コウコウ カンキョウ ト ノ カンレンセイ

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<p> The purpose of this study was to investigate the relationship between volatile sulfur compounds (VSC) and accumulation of tongue coating and periodontal conditions in patients complaining of oral malodor.</p><p> The participants enrolled in this study were 156 outpatients of the Clinic for Breath Odor in Tokushima University Hospital. The data regarding sex, age, daily oral cleaning habits and smoking habits were obtained from electronic medical records in addition to the results of the gas chromatography (H2S, CH3SH, total VSC). The accumulation of tongue coating in subjects was quantified using the Winkle Tongue Coating Index (WTCI). The relationship between halitosis and the oral environment was statistically analyzed using the data from 37 participants who had been assessed for periodontal conditions and the status of oral hygiene.</p><p> All VSC detected in the group with a tongue cleaning habit were significantly lower than those in the group without a tongue cleaning habit. A significant positive correlation was also observed between all VSC detected and WTCI and O’Leary PCR. Furthermore, a significant positive correlation was observed between Periodontal Epithelial Surface Area (PESA) and CH3SH in patients diagnosed with genuine halitosis. The concentrations of VSC detected were determined by logarithm conversion and used as dependent variables for the multiple regression analysis. As a result, only WTCI was significantly correlated to all VSC values, and the partial correlation coefficient of H2S, CH3SH and total VSC were 0.519 (p<0.01), 0.479 (p<0.05) and 0.531 (p<0.01), respectively.</p><p> These results indicated that the accumulation of tongue coating contributes to the production of VSC. Therefore, prevention of oral malodor to reduce the accumulation of tongue coating is needed.</p>

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