Meaning: To keep your mouth healthy, you should brush your teeth twice a day, in the morning and at night.
Choice of Words: Brush: clean your teeth with a toothbrush and toothpaste. Teeth: the hard white structures in your mouth that you use for biting and chewing. Twice: two times. Daily: every day. Maintain: keep something in good condition. Oral hygiene: the practice of keeping your mouth clean and healthy.