New mouthwash could fight gum disease without staining teeth
NCT ID NCT07088666
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether a new mouthwash called MicroRepair ABX works as well as the standard chlorhexidine mouthwash for treating plaque-induced gingivitis (gum inflammation). Forty adults with gum disease used one of the two mouthwashes twice daily for 14 days after a professional cleaning. The goal was to see if MicroRepair ABX could reduce gum pocket depth and plaque with fewer side effects like tooth staining or taste changes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- MicroRepair ABX mouthwash (zinc-hydroxyapatite microcrystals with antibacterial agents)
- What this could lead to
- If it works, this could offer a gentler alternative to standard mouthwash for managing gum inflammation, with less tooth staining and taste changes.
- What could go wrong
- This is a small, short-term study with only 40 participants, so results may not apply widely. It also does not test long-term safety or effectiveness.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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.
Show the full entry requirements Hide the full entry requirements
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 (FMBS ≥ 25%, PPD ≤ 3 mm in ≥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 CAL ≥1 mm at ≥2 non-adjacent teeth) * Systemic diseases affecting periodontal status (e.g., diabetes, immunodeficiencies) * Antibiotic or anti-inflammatory therapy in the last 3 months * Professional dental cleaning in the past 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 in the past 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
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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