Smiles4children If you truly want to keep healthy teeth and gums, it's important to avoid tobacco in any form. tobacco use, whether chewing or smoking, contributes to an overwhelming number of cases of oral tissue damage. the powder found in tobacco not only stains your teeth, but can also weaken them. in more serious cases, it can even cause oral cancer. If you truly want to keep healthy teeth and gums, it's important to avoid tobacco in any form. tobacco use, whether chewing or smoking, contributes to an overwhelming number of cases of oral tissue damage. the powder found in tobacco not only stains your teeth, but can also weaken them. in more serious cases, it can even cause oral cancer. But aside from your very basic oral care, these tips will help you keep your gums healthy, and how to keep healthy your teeth your teeth safe and bright, while avoiding a dental emergency. 1. learn proper brushing techniques. The following practices will help keep a child’s teeth and ...