Mouthwash showdown: new formula takes on classic antiseptic for healthier gums
NCT ID NCT07088653
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested two mouthwashes—a standard antiseptic (chlorhexidine) and a new one (MicroRepair ABX)—in 40 adults with gingivitis (gum inflammation). After a professional cleaning, participants used their assigned mouthwash twice daily for 14 days. Researchers measured gum bleeding, plaque buildup, and a saliva marker of inflammation over 6 months to see if the new mouthwash works as well as the standard one.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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40 people
The number who actually took part.
- Started
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Aug 2025
- Finished
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Mar 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged between 18 and 70 years * Presence of generalized plaque-induced gingivitis, defined by bleeding on probing (BoP) ≥30% in the absence of clinical attachment loss, with probing pocket depth ≤3 mm at ≥90% of sites * At least 20 natural teeth * Good general health (ASA I or II) * Signed written informed consent * Willingness to comply with study protocol and attend all follow-up visits Exclusion Criteria: * Periodontitis, defined as interdental clinical attachment loss (CAL) at ≥2 non-adjacent teeth * Systemic conditions known to affect periodontal status, including diabetes mellitus and immunodeficiencies * Antibiotic or anti-inflammatory therapy within the previous 3 months * Professional dental prophylaxis within the previous 3 months * Pregnancy or breastfeeding * Known allergy to chlorhexidine or MicroRepair components * Use of orthodontic appliances or removable prostheses * Smoking more than 10 cigarettes per day * Participation in other clinical trials within the previous 6 months
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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
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Unit of Orthodontics and Pediatric Dentistry - Section of Dentistry - Department of Clinical, Surgical, Diagnostic and Pediatrics - University of Pavia
Pavia, Lombardy, 27100, Italy
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Other studies related to the condition(s) this trial covers.
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