The human body is constantly changing. As we age, we grow bigger, our features become more refined, and we accessorize and customize ourselves in a variety of ways. While we have great control over some of these changes, others occur whether we’d like them to or not. One frustrating, undesirable change that some encounter is shifting teeth. It’s not always obvious what causes teeth to move out of their original positions over time. Here’s a closer look at some of the possible causes of shifting teeth, along with how a professional intervention can address the issue.