[0] Extrusion [Clinical status] Tooth appears elongated, TTP, excessively mobile, vitality testing inconclusive [Treatment - permanent tooth] Reposition tooth back into tooth socket after surface has been cleaned with saline. Splint is applied and to be monitored after two weeks for further treatment. Root canal treatment where signs of pulpal necrosis [Deciduous tooth] Extract tooth. If minimal extrusion then leave and monitor [Description] 
Loosening and partial displacement of the tooth out of its socket. Alveolar bone is still intact however may result in a partial or total separation of periodontal ligament