Comparison Between Different Interdental Brushes in Adults With Periodontal Disease.

Inclusion Criteria: * Subject aged between 18 and 80 years included * Subject having signed his/her written informed consent for his/her participation in the study * Subject diagnosed with active generalized periodontal disease (excluding gingivitis) * Subject having at least 20 natural teeth (10 teeth on each side (right and left)) Non-inclusion criteria: * Subject unable to understand the information given including study procedures (for linguistic or psychiatric reasons) and to give his/her consent in writing and to report required information in a questionnaire * For woman of childbearing potential: pregnant or breastfeeding or planning to be pregnant during the study * Subject having any other oral condition than periodontal disease (ex: dermatologic ulcers), or any orthodontic conditions liable to interfere with the study assessment or considered by the investigator hazardous for the subject or incompatible with study requirements * Systemic treatment or topical treatment/product currently taken/applied in the mouth liable to interfere with study assessments according to the investigator or planned to be taken/applied during the study * Subject has received periodontal therapy (scaling, root planing, surgery, etc.) within 2 months before the inclusion * Subject who has undergone oral or gum surgery within 2 months before the inclusion, or planned to be performed during the study