Crown-root fracture without pulp involvement - diagnostic signs

Description A fracture involving enamel, dentin and cementum with loss of tooth structure, but not involving the pulp.
Visual signs Crown fracture extending below gingival margin. The crown is split into two or more fragments, one of which is mobile.
Percussion test Tenderness to percussion.
Mobility test At least one coronal fragment is mobile. Because of mobility during mastication there might be transitory pain.
Sensibility pulp test Not reliable in primary teeth. Inconsistent results.
Radiographic findings Apical extension of fracture usually not visible. In laterally positioned fractures, the extent in relation to the gingival margin can be seen.
Radiographs recommended An occlusal exposure.

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.