Table 1.

Nasal Trauma Classification

Type I	Injury restricted to soft tissue
Type IIa	Simple, unilateral nondisplaced fracture
Type IIb	Simple, bilateral nondisplaced fracture
Type III	Simple, displaced fracture
Type IV	Closed comminuted fracture
Type V	Open comminuted fracture or complicated fracture*

^*Type II to IV fracture with CSF rhinorrhea, airway obstruction, septal hematoma, crush injury, numbness, severe displacement, or NOE midface involvement.