Mask study: do FFP2s lower your oxygen?
NCT ID NCT05188651
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether wearing FFP2/N95 masks changes oxygen levels and pulse rate in dental professionals. Sixty dental workers took part, and researchers measured oxygen saturation and pulse while they wore the masks. The goal was to understand any short-term effects on breathing and heart rate during the COVID-19 pandemic.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- FFP2/N95 face masks
- What this could lead to
- If it works, this could help clarify whether wearing FFP2 masks is safe for dental professionals in terms of oxygen and heart rate.
- What could go wrong
- This is a small, completed study with only 60 dental professionals, so results may not apply to other groups or activities. It only measures short-term effects.
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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
Locations
-
Policlinico Universitario A. Gemelli
Roma, RM, 00168, Italy
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