Hydrogen sulfide and methyl mercaptan in periodontal pockets

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Abstract
A sensitive gas chromatographic method was developed to determine the amounts of volatile sulfur compounds in gingival fluid. Hydrogen sulfide was the predominant volatile sulfur compound and was detected in 61 out of 79 studied periodontal pockets. Methyl mercaptan was found in about 20% of the pockets. No other volatile sulfur compounds were detected. The highest concentration of hydrogen sulfide in gingival fluid was 1.9 mmol/liter, and of methyl mercaptan 0.16 mmol/liter.