Brushing your teeth removes plaque from your mouth, which helps fight against gum disease and tooth decay. In fact, nearly all oral health problems can be prevented with consistent and thorough dental hygiene. You should brush your teeth at least once in the morning and once in the evening, and after meals if possible. If you are unsure about the correct brushing technique, you should ask your dentist for a quick lesson during your next check-up, they will be happy to oblige. Flossing removes the built-up plaque and bacteria from the crevices between teeth, and removing this build-up may prevent your gums from swelling in the first place.  Floss gently, to avoid irritating delicate gum tissue. Always use a clean section of floss when you switch teeth, to prevent spreading bacteria from one part of the mouth to another. If you find dental floss awkward to use, look for a packet of dental picks at the drugstore — these are small wooden or plastic sticks which can be inserted between the teeth to achieve the same effects as flossing. Poor nutrition can lead to gum inflammation (among other issues). In particular, it is important that you get enough vitamin C, calcium and folic acid in your diet. This is due to the fact that vitamin C and folic acid actively contribute to healthy gums and prevent gingivitis, while it has been proven that people who are deficient in calcium are much more likely to develop gum diseases. Take a daily multi-vitamin, and eat plenty of fresh fruit and vegetables.  The top food sources of vitamin C include papaya, bell peppers, strawberries, broccoli, pineapple, Brussels sprouts, kiwifruits, oranges, cantaloupe and kale.  The best sources of calcium include dairy products such as milk, cheese and yogurt, along with sardines, tofu, salmon, soy milk, cereals and collard greens.  Foods with high levels of Folic acid include dark, leafy greens, broccoli, asparagus, peas, beans, lentils, celery, avocado and citrus fruits. As acids, vinegar and lemon juice can erode the enamel, which is...

How would you rephrase that briefly using Vietnamese?
Đánh răng nhẹ nhàng, tối thiểu 2 hay 3 lần mỗi ngày. Xem việc xỉa răng bằng chỉ nha khoa là thói quen vệ sinh răng hằng ngày. Đảm bảo chế độ ăn phong phú, giàu vitamin C, canxi và axít folic. Không súc miệng bằng các loại nước có tính chua hay nước chanh: Ngủ đủ giấc và tránh căng thẳng. Từ bỏ thuốc lá. Đến phòng khám nha để kiểm tra và vệ sinh răng.