"Usually blow-in fractures are impure, i.e. they occur in conjunction with other facial bone fractures, such as supraorbital rim and frontal sinus fractures. More rarely, are so-called pure blow-in fractures, in which the injury is restricted to the orbital roof."
"Usually blow-in fractures are impure, i.e. they occur in conjunction with other facial bone fractures, such as supraorbital rim and frontal sinus fractures. More rarely, are so-called pure blow-in fractures, in which the injury is restricted to the orbital roof."