Over 4 million people in the U.S. wear braces, and 2.5 million worldwide wear Invisalign. As two wildly popular ways or correcting one’s smile, it can be difficult to know which option is the best choice for you. To help you decide, here are how each of them works and the benefits they provide.

According to Business Wire, the global cosmetic dentistry market is expected to reach $28.9 billion by 2027. Since 47% of people think a person’s smile is the most memorable thing about them, this explains the popularity of this specialty. Though “cosmetic dentistry” is a blanket term used to refer to a variety of customizable treatments, knowing what procedures it includes can make it easier to know what treatment to pursue. Here are some of the treatments that fall under the cosmetic dentistry umbrella.