Why is oral hygiene so important? Adults over 35 lose more teeth to gum diseases (periodontal disease) than from cavities. Three out of four adults are affected at some time in their life. The best way to prevent cavities and periodontal disease is by good tooth brushing and flossing techniques, performed daily. For more info, please visit at https://www.videntalcenter.com/dental-health/oral-hygiene