Did you know that more than 50,000 people in the United States are diagnosed with oral cancer each year? Your dentist performs an oral cancer screening during your biannual dental checkups. This allows them to keep an eye out for the early signs of this condition so treatment can be started as soon as possible. So that you have an idea of what signs may be a cause for concern, read on to learn about the different stages of oral cancer and tips for treatment and prevention.