If you have a history of dental issues, avoid any transfer with their saliva. Do not use your own utensils and toothbrushes. You can also reduce your level of mutans in your mouth. Your dentist can give you an antibacterial wash will ultimately help in reducing the transmission of germs to your children. Sugarless gum four times a day can also reduce your bacteria levels, and maintaining nutrition while pregnant can also strengthen your baby's tooth enamel. It also goes without saying that brushing your teeth and flossing will help treat your problems.