While many people may not know this, dentists actually do everything possible to avoid tooth extractions if they are able. After all, dentistry has developed to a point where restorative treatments can save even the most damaged teeth from extraction. However, there are some instances where removal of a tooth is actually the best option moving forward and there are a variety of reasons for doing so. If you believe you may need a tooth extracted, here are five reasons why they are performed to help you better prepare ahead of your next appointment.