This study aims to analyze the correlation between Solobacterium moorei (S. moorei), both on the tongue and in saliva, and several oral malodour- and clinical parameters. Data from 193 patients visiting a halitosis clinic were used for analysis. A questionnaire assessed their general health, allergies, medication, smoking habits and oral hygiene. Following halitosis parameters were recorded: organoleptic score (OLS) (0-5), total concentration of volatile sulfur compounds (VSC) (Halimeter), individual concentrations of VSC (Oral Chroma), tongue coating (MTCI, WTCI and mWTCI), salivary parameters (flow rate and pH), oral hygiene, tonsil health and periodontal health. In all subjects, microbiological samples were collected from the tongue coating and from the saliva, and a quantitative polymerase chain reaction was performed to detect S. moorei. A significant correlation could be established between S. moorei, from both tongue and saliva, and several breath parameters (OLS, H2S, CH3SH, (CH3)2S and total VSCs), tongue coating indices and periodontal indices (gingivitis, periodontitis and oral hygiene). This study suggests a strong association between the presence of S. moorei and oral malodour (s54747).
A new device (BB Checker) able to detect malodour compounds has recently been made available. This retrospective analysis aimed at evaluating the usefulness of this device as adjunct tool for the diagnosis of oral malodour. Data from 100 consecutive volunteers with bad breath complaints attending their first consultation at a halitosis clinic were analysed. In addition to the standard protocol (organoleptic ratings from mouth and nose air, and from tongue coating when present; OralChroma and Halimeter measurements from mouth air; and intra-oral examinations), oral, exhaled and nasal air samples were examined with the BB Checker. We could not establish a correlation between the BB Checker values and the organoleptic scores, or the sulfur-compound levels determined by the OralChroma or the Halimeter (R < 0.3, p > 0.05). The overall sensitivity and specificity of the new device did not exceed the 50%. The correlations between the organoleptic scores and the OralChroma and the Halimeter measurements were good and in line with previous reports (R between 0.56 and 0.73). Our results do not favour the use of the BB Checker as adjunct tool in the diagnosis of oral malodour.
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