Opalescence Whitening Toothpaste is an easy and effective way to maintain a bright, white smile. Opalescence Whitening Toothpaste removes surface stains to lighten teeth up to two shades in just 2 weeks with results in as little as one week. It is safe for everyday use and is formulated to strengthen enamel and help prevent cavities. This toothpaste is a great way for your patients to maintain their results following a whitening treatment. Opalescence Whitening Toothpaste for Sensitivity Relief has the same whitening effect and refreshing flavor as the original.