Basic dental care involves brushing and flossing your teeth regularly, seeing your dentist and/or dental hygienist for regular checkups and cleanings, and eating a mouth-healthy diet, which means eating plenty of whole grain foods, vegetables and fruits, and protein foods.a dental infection caused by toxins produced by bacteria. cementum: hard tissue that covers the roots of teeth.a dental infection caused by toxins produced by bacteria. cementum: hard tissue that covers the roots of teeth.a dental infection caused by toxins produced by bacteria. cementum: hard tissue that covers the roots of teeth.