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:: (A) Complicated tooth fracture, (B) Uncomplicated crown root fracture, (C) Complicated crown root fracture, (D) Uncomplicated crown fracture
Answer is C. 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.