Periodontal Disease Risk Assessment in Relation to Frequency of Tooth BrushingPeriodontal Disease Risk Assessment in Relation to Frequency of Tooth Brushing. mfm [Internet]. 2021 Feb. 8 [cited 2026 Apr. 15];32(1). Available from: http://medicalforummonthly.com/index.php/mfm/article/view/2130