 The study composed of sixty patients, each of whom required surgical extraction of a single impacted mandibular third molar under local anaesthesia. The patients were randomly allocated to one of 3 groups of 20 each. The three groups were categorized as Group A intramuscular dexamethasone, Group B submucosal dexamethasone and Group C control. The objective measurements of facial pain, swelling, and trismus was performed by an independent examiner at baseline preoperatively, and at days 1, 3, and 7 postoperatively. 