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Journal of Dental Research
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Morning Breath Odor: Influence of Treatments on Sulfur Gases

F.L. Suarez

ACOS for Research, Research Office (151), The Minneapolis Veterans Affairs Medical Center, 1 Veterans Dr., Minneapolis, MN 55417, USA, Department of Medicine, University of Minnesota, Department of Food Science and Nutrition, University of Minnesota

J.K. Furne

ACOS for Research, Research Office (151), The Minneapolis Veterans Affairs Medical Center, 1 Veterans Dr., Minneapolis, MN 55417, USA

J. Springfield

Department of Medicine, University of Minnesota

M.D. Levitt

ACOS for Research, Research Office (151), The Minneapolis Veterans Affairs Medical Center, 1 Veterans Dr., Minneapolis, MN 55417, USA, Department of Medicine, University of Minnesota

We assessed the effects of several treatments on the concentrations of oral sulfur-containing gases, compounds thought to be responsible for morning breath. Upon awakening in the morning, healthy volunteers collected oral gas samples before and for eight hours after the following treatments: no treatment, brushing the teeth with toothpaste, brushing the tongue, rinsing with 5 mL of 3% hydrogen peroxide, breakfast ingestion, or swallowing two BreathAsureR capsules. The gas samples were analyzed for sulfur-containing volatiles via gas chromatography. Baseline collections usually contained three sulfur gases: hydrogen sulfide, methanethiol, and dimethylsulfide. The effectiveness of a treatment was determined via comparison of the areas under gas concentrations-time curves with and without treatment. Brushing the teeth or ingestion of BreathAsureR had no apparent influence on the sulfur gases. Ingestion of breakfast and tongue brushing resulted in strong trends toward decreased sulfur gases. Hydrogen peroxide significantly reduced the sulfur gas concentrations for eight hours.

Key Words: morning breath odor • halitosis • hydrogen sulfide • methanethiol • hydrogen peroxide.

Journal of Dental Research, Vol. 79, No. 10, 1773-1777 (2000)
DOI: 10.1177/00220345000790100701
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