There are two strategies: swishing it around your mouth, or mixing it with baking soda and setting it in your teeth like a paste right before rinsing. There are various in excess of-the-counter teeth whitening strips on the market that may enable to brighten yellow teeth. Look at professional https://bookmarkbells.com/story17101204/helping-the-others-realize-the-advantages-of-natural-teeth-whitening-remedies-with-salt