Crown root dental fracture

(A) The central incisor appears extruded (arrow).
(B) Radiograph demonstrates a crown root fracture instead of extrusion (distal horizontal crown fracture line [arrow] and curved apical root fracture line [arrowheads]).
(C) Preoperative photograph of the crown root fragment with attached periodontal ligaments (arrows). The pulp canal is also visible (arrowhead).