Dental Abscess with Trismus and Intellectual Impairment

You are asked to review a 40-year-old man in the emergency department who has trismus secondary to a dental abscess. He has severe intellectual impairment and is nonverbal. His caregiver is with him. The maxillofacial surgeon wishes to bring him to theatre urgently to remove a lower molar tooth and incise and drain his submandibular abscess.