As many as 80% of U.S adults aged 18 to 49 would like to enjoy a whiter smile. Fortunately, this is easier than ever thanks to the wide range of whitening treatments now available. However, with so many to choose from, how do you know whether to opt for in-office whitening or do the job yourself at home? To help you to make this decision, here’s what you need to know about the main areas of comparison between in-office and home teeth whitening.