Uploaded by AnnotationsWizard on Jul 25, 2008
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Diagnosis
Self diagnosis and home diagnosis
Scientists have long thought that smelling one's own breath odor is often difficult due to habituation, although many people with bad breath are able to
detect it in others. Research has suggested that self-evaluation of halitosis isn't easy because of preconceived notions of how bad we think it should be. Some people assume that they have bad breath because of bad taste (metallic, sour, fecal, etc), however bad taste is considered a poor indicator.
For these reasons, the simplest and most effective way to know whether one has bad breath is to ask a trusted adult family member or very close friend ("confidant"). If the confidant confirms that there is a breath problem, he or she can help determine
whether it is coming from the mouth or the nose, and whether a particular treatment is effective or not.
One popular home method to determine the presence of bad breath is to lick the back of the wrist, let the saliva dry for a minute or two, and smell the result. This test results in overestimation, as concluded from research, and should be avoided.A better way would be to lightly scrape the posterior back of the tongue with a plastic disposable spoon and to smell
the drying residue. A spouse, family member, or close friend may be willing to smell one's breath and provide
honest feedback. Home tests are now available which use a chemical reaction to test for the presence of polyamines and sulfur compounds on tongue swabs, but there are few studies showing how well they actually detect the odor. Furthermore, since breath odor changes
in intensity throughout the day depending on many factors, multiple testing may be necessary.
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