Gum treatment may clear up more than bad breath – study links oral health to smell
NCT ID NCT07424300
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 101 adults with gum disease and bad breath to see if treating the gums could also improve their sense of smell. Participants received standard deep-cleaning dental treatment. Researchers measured bad breath gases and smell function before and one week after treatment. The goal was to understand if reducing gum inflammation and bad breath is linked to better smelling ability.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
nonsurgical periodontal therapy (scaling and root planing)
What this could lead to
If successful, this could show that treating gum disease improves both bad breath and sense of smell, pointing to a connection between oral health and olfactory function.
What could go wrong
This is a small, completed observational study, not a treatment trial. Results may not apply to everyone, and any changes in smell could be due to other factors.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Batman University
Merkez, Batman, 72040, Turkey (Türkiye)