Crown-root fracture with pulp involvement - Diagnostic signs

Definition A fracture involving enamel, dentin, and cementum with loss of tooth structure, and exposure of the pulp.
Visual signs Crown fracture extending below gingival margin.
Percussion test Tender.
Mobility test Coronal fragment mobile.
Sensibility test Usually positive for apical fragment.
Radiographic findings Apical extension of fracture usually not visible.
Radiographs recommended Periapical and occlusal exposure. A cone beam exposure can reveal the whole fracture extension.

Dental Trauma Guide 2010 - produced in cooperation with the Resource Centre for Rare Oral Diseases and Department of Oral and Maxillo-Facial Surgery
at the University Hospital of Copenhagen - Last edited the 07-01-2014.