Orthodontics-related foreign body causing trismus.

A previously healthy 13-year-old female patient presented with a 7-day history of otalgia, pharyngitis and trismus without fever, dysphagia or dyspnea. Contrast-enhanced computed tomography revealed an orthodontic archwire penetrating the pterygoid musculature. This case highlights the importance of performing a thorough workup in cases involving unusual symptoms.