It is possible that Invisalign can damage your teeth, although the risks are generally minimal in nature. It can occur in several ways but your dentist will check the health of your teeth before approving Invisalign aligners. One way that aligners can damage your teeth is root damage known as Root resorption (RR). This problem is caused when the root apex loses tooth structure permanently. Invisalign and any other type of aligner must impose a cellular response within the roots of your teeth so they can move. Otherwise, you’ll never get results. If you properly follow instructions and attend your regular checkups, the chances are minimal. Aside from root damage, poor maintenance can lead to tooth decay from bacteria and food. Once again, that problem can be prevented by following instructions correctly.