Reviewed by Alfred Wyatt Jr. on June 22, 2015

Sources

Dr. Jeffrey Sims, DDS

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Video Transcript

DR. JEFFREY SIMS, DDS: Generally, people know if they have bad breath.

I mean, if you're gone all day and not brushed your teeth, if you haven't been at a dental office for a long time, most likely your breath is not the best.

Ask somebody that cares for you.

Bad breath can be from bacteria that's left in your mouth that your brushing has missed, but certainly periodontal disease will create bad odor.

" style="1" style="1"> If all of that has been removed, then you've got to start looking at systemic issues, because sinus problems will give you bad breath, lung problems, kidney problems, liver issues, so there could be systemic issues as well.