[0] Avulsion [Clinical status] Tooth is absent from socket [Treatment - permanent tooth] Depends on the maturity of the tooth, how the tooth was stored and patient cooperation. If tooth has been kept in favourable conditions and periodontal ligament is not necrotic, then tooth is replanted [Deciduous tooth] Tooth is not replanted to avoid damage to developing tooth germ [Description] 
Tooth is completely displaced out of the socket. Desiccation of periodontal ligament can not occure, as well as pulpal necrosis if no immediate action is taken place