Table 1.

Grading of infection clinically and radiographically

Clinical	Radiographical
Grade I: Erythema around suture line limited to 1 cm	Grade I: Ossification of fracture site/no change from initial injury
Grade II: 1–5 cm of erythema	Grade II: Radiolucencies localized to hardware or necrotic tooth
Grade III: <5 cm of erythema and induration	Grade III: Generalized radiolucencies of fracture or hardware
Grade IV: Purulent drainage either spontaneously or by incision and drainage
Grade V: Fistulae