Is it a soft tissue injury or some sort of fracture?

Liam, a 25-year-old office worker, presents to ED in the early hours of New Year's Day with a painful swollen right cheek and jaw and associated trismus.

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Dr Kate Kelso is medical co-editor at Australian Doctor and a GP in Sydney, NSW.

References:

1. Chukwulebe, S. et al. The Diagnosis and Management of Facial Bone Fractures. Emergency