Electric Toothbrush Efficacy in Preventing Dental Plaque Development

Inclusion Criteria: * healthy adult (aged 18-50 years) * non-smokers * without clinical signs of periodontitis with at least 10 natural anterior teeth in total (cuspid to cuspid and lower and upper jaw). Exclusion Criteria: * significant oral soft tissue pathology or any type of gingival overgrowth other than plaque-induced gingivitis, * with fixed and removable orthodontic appliances or removable dentures, * with any other medical condition that, in the opinion of the principal investigator, would jeopardize the participant's safety or diminish the validity of study results