[Description] Displacement of tooth into the alveolar bone (pushed into the socket) causing fracture of the alveolar bone. It is the most damaging injury to the tooth and supporting tissues as ankylosis and pulp necrosis can occur. In severe cases, 100% of the crown is not visible [Clinical status] Tooth displaced axially into alveolar bone, no mobility, negative to vitality testing. Periodontal ligament space may be absent radiographically [Treatment - permanent tooth] Depending on severity of displacement, tooth may be left to allow for spontaneous eruption. If severe then orthodontic reposition or surgical repositioning is needed. Root canal treatment after 12 weeks [Deciduous tooth] Tooth is extracted if apex of the root is in the developing tooth bud [0] 
Intrusive Luxation
C o n c u s s i o n
S u b l a x a t i o n
E x t r u s i o n
L a t e r a l L u x a t i o n
I n t r u s i v e L u x a t i o n
A v u l s i o n