Journal of Periodontology · 2003 · 88 citations · 21 references
The tongue coating was demonstrated to be a primary halitosis-inducing factor. Periodontal health was also shown to contribute to VSC production.
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Gingival sulcus bleeding--a leading symptom in initial gingivitis.
H.R. Mühlemann, Seok Il Son · PubMed · 1971 · 1.1K citations
The formation of hydrogen sulfide and methyl mercaptan by oral bacteria
Sten Persson, M. Edlund, Rolf Claesson et al. · Oral Microbiology and Immunology · 1990 · 513 citations