In-Office Whitening vs. Custom Take-Home Trays If you are researching teeth whitening in dental care settings, understanding your options is the first step toward choosing the right treatment for your smile. Professional teeth whitening is one of the most popular cosmetic dental treatments because it helps remove teeth stains, brighten smile aesthetics, and improve overall confidence in a safe, controlled way. Teeth whitening, also referred to as teeth bleaching or smile whitening treatment, is a ...