| Definition |
A fracture involving enamel, dentin, cementum and 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. Beause of mobility during mastication there might be transitory pain. |
| Sensibility 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. |