Evulsion occurs when a tooth is completely displaced from its socket or knocked out. This often occurs as the result of trauma or impact to the face and mouth. Normally, your tooth is held within the socket by what is called the periodontal ligament. When a tooth is knocked out, this connection is torn loose. Typically, the empty socket will fill with coagulant as a natural response to the injury. Oftentimes, your doctor will take a series of X-rays of the area while diagnosing the injury to verify additional damage beyond what is visible has not occurred. It is important to seek treatment for an uls tooth immediately to provide the best likelihood that your doctor can preserve your tooth. Your doctor will discuss options with you that provide the best possible outcome.