The process of whitening the teeth involves the removal of stains and correction of discoloration. It is one of the most preferred dental procedures when it comes to whitening teeth. MyntSmile contains Hydrated Silica. This particular ingredient is used to help remove stains that linger on the exterior of your teeth. MyntSmile also protects the gloss and finish of the porcelain and bonded finish with patented ingredients so that it preserves that beauty of the cosmetic restoration.