Whenever possible, brush your teeth at least three times a day for at least three minutes each time. It is found out by dental researchers that most people spend less than one minute per day on dental hygiene. It is definitely understandable why people do not brush and floss more. Undoubtedly, brushing and flossing are the two most boring activities on earth, so we do not devote enough time to them. But to do it right, you have to brush for at least three minutes each time with proper techniques to avoid swollen gums which is an initial sign of gum disease.