Gingivitis is a form of gum disease caused most often by poor oral hygiene. It affects about 8 in 10 Americans, which is quite a lot of people.  Dentists recommend brushing and flossing day and night for healthy teeth and gums.   This habit of good oral hygiene can help you avoid some major health issues, aside from giving you whiter and brighter teeth.  Brushing and flossing give you a way to rid the mouth of disease causing bacteria.  When there is poor oral hygiene, bacteria and debris form a sticky plaque on teeth along the gum line.  This plaque causes gums to swell and redden, becoming inflamed.  Often, if allowed to progress, gums will get red, s