Having a tooth extraction is never a pleasant thing to think about. There are a number of reasons that one may have to consider having a tooth extraction from Centennial dentistry. Trauma is one of the most common reasons for having a tooth extracted. If a tooth is partially knocked out or badly broken, the remaining portion must be removed. Decay and infection are also reasons it may be necessary to remove a tooth. If minor decay is not addressed and leads to further decay and infection it may be necessary to remove the tooth to stop the spread of infection. Crowding is another common cause for the need to have an extraction. Many people have their wisdom teeth removed as well.