Usage Test on a New Cosmetic Product: Mouthwash

Severity of gingival inflammation is evaluated using the Loë & Silness scale, which includes 4 scores (0=no inflammation, 3=Significant inflammation, redness, accentuated hypertrophy with spontaneous hemorrhagic tendency and ulceration) by the dentist, on Day 0 and on Day 7.

Presence of dental plaque is evaluated using the Loë & Silness scale, which includes 4 scores (0=no dental plaque, 3=Abundant plaque along the gingival margin; the spaces between the teeth are filled with plaque) by the dentist, on Day 0 and on Day 7.

Changes in the gingival microbiota is evaluated through the analysis of bacteria on D0 and D7 by swab sampling on the occlusal and buccal surfaces at the gum line.

Tolerance (adverse effects) will also be studied by recording any adverse effect.

Inclusion criteria

• Person (man, woman) aged 18 or over,
• Person with a gingival index ≥ 2 (according to Loë & Silness) on at least 10% of teeth (i.e. 3 teeth) at the inclusion visit
• Person capable of following the instructions for using the product,
• Person agreeing to come for a dental consultation 7 days (+/- 1 day) after the inclusion visit,
• Volunteer informed and having signed their informed consent form,
• Volunteer person affiliated to a social security scheme (Art L1121-11 of the CSP).

Exclusion criteria

• Person who has regularly used mouthwash in the last month,
• Person suffering from periodontitis
• Person having a scaling treatment planned in the session, or having had a scaling treatment in the 6 months preceding the inclusion visit,
• Person having had antibiotic or antifungal treatment in the 3 months preceding the visit,
• Person taking anti-coagulant or anti-aggregant or immunosuppressive or anti-cancer treatment (chemotherapy or radiotherapy of the head and neck)
• Person at risk of infective endocarditis,
• Person with a known sensitivity or allergy to one of the components of mouthwashes, including components derived from essential oils (Eucalyptol, thymol, menthol, limonene).
• Volunteer participating in intervention research.
• Vulnerable people referred to in articles L. 1121-5 to 8 and L. 1122-1-2 of the Public Health Code (institutionalized volunteers, deprived of their liberty or placed under legal protection (guardianship or curatorship).