Good dental and oral care is essential. If you want healthy teeth and gums. you should brush your teeth twice a day with a good toothbrush and toothpaste. You can also rinse afterwards with a mouthwash of your choice. Oral hygiene. if practiced properly. will protect your mouth. tongue. teeth and gums from diseases and infections. You can also avoid bad breath. tooth decay and other oral hygiene problems by cleaning your teeth regularly.