According to the Andreasen's modified classification of traumatic injuries, a fracture involving the enamel, coronal and radicular dentin and cementum with exposure of the pulp is categorized as:
Complicated crown fracture: A fracture involving enamel and dentin, and exposing the pulp.
Uncomplicated crown-root fracture: A fracture involving enamel, coronal and radicular dentin, and cementum, but not exposing pulp.
Complicated crown-root fracture: A fracture involving enamel, coronal and radicular dentin, and cementum with exposure of the pulp.
Root fracture: A fracture involving radicular dentin, cementum and pulp.
Complicated tooth fracture
Uncomplicated crown root fracture
Complicated crown root fracture
Uncomplicated crown fracture