decellularized "Ghost" Heart The cells are removed by a chemical process, leaving only Extracellular matrix, so the new cells of the transplantee, which match the DNA, can be grown on this heart, so the rejection of the organ doesn't happen. It's still in the experimental stage, but it is promising.
Put a tiny bit of toothpaste into a small cup, mix in one teaspoon baking soda plus one teaspoon of hydrogen peroxide, and half a teaspoon water. Thoroughly mix then brush your teeth for two minutes. Remember to do it once a week until you have reached the results you want. Once your teeth are good and white, limit yourself to using the whitening treatment once every month or two.