Although it is preventable, tooth decay is the biggest threat to the health of your smile. You might believe your teeth are safe from cavities during the next few months because you’re investing in Invisalign, but this isn’t true. In fact, you might you can even have a higher risk for them. The aligners don’t provide a protective barrier for your teeth against cavity-causing bacteria. They can actually trap it between the enamel and aligner. Here’s why it’s more important than ever to step up your oral hygiene routine to prevent cavities during Invisalign.