There are plenty of products and techniques you can make use of if you want to get rid of yellow, stained, or dingy teeth and get a whiter smile. You can also use whitening toothpaste, a tray filled with whitener or whitening strips. You can also have your teeth whitened professionally; this will, of course, cost more. This is better for the health of your teeth than other whitening products. Put a bit of hydrogen peroxide in your mouth and swish around, but make sure you don’t swallow any. Do this once or twice a week. The first step to whitening that smile involves taking better care of your dental…