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MEBO - UBIOME study 2018

NCT03582826
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MEBO Gut Microbiome Study
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"Microbial Basis of Systemic Malodor and PATM Conditions (PATM)"

Dynamics of the Gut Microbiota in
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Blog Archive

Friday, July 10, 2009

Halitosis research : 32% suffer from halitosis in Swiss study

Prevalence of halitosis in the population of the city of Bern, Switzerland: a study comparing self-reported and clinical data.
Bornstein MM, Kislig K, Hoti BB, Seemann R, Lussi A.

Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern. Switzerland. michael.bornstein@zmk.unibe.ch


Epidemiological data on halitosis are rare. In this study we evaluated the prevalence of halitosis in the population of the city of Bern, Switzerland, using a standardized questionnaire and clinical examination. First of all, a standardized questionnaire was filled out by all 419 participants. In the clinical examination, 'objective' values for halitosis were gathered through two different organoleptic assessments and by the measurement of volatile sulfur compounds (VSC). Additionally, tongue coating and the modified periodontal screening index (PSI) were evaluated for each participant. The questionnaire revealed that 32% of all subjects sometimes or often experienced halitosis. The organoleptic evaluation (grade 0-5) identified 48 persons with grade 3 and higher. Measurement of VSC identified 117 subjects (28%) with readings of >or= 75 parts per billion (ppb). Tongue coating, modified PSI, and smoking were significantly associated with higher organoleptic scores, and tongue coating and smoking were associated with higher VSC values. For about one-third of the Bernese city population, halitosis seems to pose an oral health problem. Only a weak correlation between self-reported halitosis and either organoleptic or VSC measurements could be detected.

http://www.ncbi.nlm.nih.gov/pubmed/19583753
Notes:
Sadly the paper likely does not take into account the possibility of metabolic/alveolar halitosis, since this is not known about by most in halitosis research. Metabolic halitosis seems to be almost always transient and it is not known how to exactly provoke it (apart from choline for TMAU).

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