Chronic bad breath (or “halitosis”) is most commonly caused by bacterial buildup from poor oral hygiene, gum disease, or dry mouth. However, it can also signal an underlying medical condition worth discussing with a dentist or doctor.
The Most Common Oral Health Causes
Persistent bad breath frequently stems from bacteria breaking down food particles and plaque left on the teeth, tongue, and gumline. Gum disease is a particularly common culprit, since the bacteria involved produce a lingering odor that regular brushing alone can't fully eliminate. Dry mouth, whether from dehydration, certain medications, or breathing through the mouth at night, also reduces saliva's natural ability to wash away odor-causing bacteria.
If bad breath persists despite consistent brushing, flossing, and tongue cleaning, it's worth having a dentist evaluate your gums and teeth for signs of gum disease or deeper decay that may be contributing to the problem.
When to See a Doctor Instead
If a dental evaluation doesn’t turn up a definitive cause, follow up with a physician to determine whether a medical condition is behind the odor. While most cases trace back to the mouth itself, chronic bad breath can occasionally point to something beyond oral health, including sinus infections, acid reflux, or other conditions.
Assessing and Treating Bad Breath in North York, ON
If you’re struggling with chronic bad breath that won’t improve with better oral hygiene and want to identify and directly address its cause, contact Dr. Song and the dedicated Emery Village Dental team to schedule an evaluation.