Eligibility criteria {10}
diabetes, tooth
GUM BLEEDING, RECRUITMENT, CHRONIC DISEASES, DIABETES
The study subjects should have an age between 18 and 30 years, because of the life period with peak achievements of lung function.The following are the inclusion criteria:Non-smoking subjects with biofilm-induced gingivitisParticipants must be vaccinated against COVID-19Negative test result for COVID-19 before each dental visit (needs to be modified in adherence to current regulations)The following are the exclusion criteria:Active smokingOther gingival/ periodontal diseases [Having at least one tooth with a periodontal pocket depth and attachment loss > 4 mmAsthma, diabetes and other chronic diseases, and anti-inflammatory treatment for chronic diseasesPregnancyLong COVID-19Not able/willing to provide informed consentNot available for the period of repeated examinationsThe recruiting will start with the pre-selections of subjects with occasional gum bleeding. These subjects are screened for further eligibility for the intervention study. The continuous recruitment will address primarily patients of dental school and university students.