ABSTRACT

C A 14-year-old boy falls from a swing and sustains a blow to his face. He is knocked out for 1 minute but makes a rapid and full neurological recovery. His upper central incisors are avulsed.

D A 38-year-old man is punched in the face during a fight. He has marked left periorbital ecchymosis and oedema and left subconjunctival haemorrhage with no posterior limit. There is palpable movement at the left frontozygomatic suture.