Usually very tired to work, heavy tasks, work overtime. Late nights, early mornings. To cheer up. I've been drinking coffee for years, and it's causing a lot of teeth stains. I recently discovered some great tips for removing stains from teeth. Now share it with you.
1, salt brushing method: salt and toothpaste into paste brushing, adhere to a period of time.
2, vinegar gargle method: put vinegar in the mouth, wait a while and then spit it out. Then brush your teeth.
3. Baking soda brushing method: brush your teeth with baking soda mixed in toothpaste, which will have an effect for a long time.
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