During surgical extraction of a deeply impacted mandibular third molar, you observe a sudden gush of bright red blood from the socket. The most likely injured vessel is: A) Inferior alveolar artery B) Lingual artery C) Facial artery D) Greater palatine artery
In the emergency management of a patient with a displaced mandibular fracture and respiratory distress, the priority is: A) Obtain an OPG B) Reduce the fracture manually C) Jaw thrust maneuver and suction of the airway D) Administer dexamethasone mcq in oral and maxillofacial surgery pdf
A patient with a history of infective endocarditis requires a mandibular third molar extraction. Which prophylactic regimen is currently recommended by the AHA (2021 update)? A) Amoxicillin 2g orally 1 hour before procedure B) Clindamycin 600mg orally 1 hour before C) No antibiotic prophylaxis is indicated for dental extractions in this case D) Ampicillin 2g IM 30 minutes before During surgical extraction of a deeply impacted mandibular
The most common cause of postoperative wound infection following clean-contaminated oral surgery is: A) Pseudomonas aeruginosa B) Staphylococcus aureus C) Viridans group Streptococci D) Bacteroides fragilis A) Amoxicillin 2g orally 1 hour before procedure
The nerve most likely to be injured during removal of a mesioangular impacted mandibular third molar is: A) Lingual nerve B) Buccal nerve C) Inferior alveolar nerve D) Myohyoid nerve SECTION 3: ODONTOGENIC INFECTIONS (Q13-18) Q13. A patient presents with brawny, non-pitting induration of the submandibular and sublingual spaces, elevation of the tongue, and difficulty breathing. This is: A) Ludwig’s angina B) Parapharyngeal abscess C) Peritonsillar abscess D) Mumps
The most common site for intraoral squamous cell carcinoma is: A) Buccal mucosa B) Hard palate C) Lateral border of the tongue D) Floor of mouth
On mouth opening, the jaw deviates to the left side. This suggests: A) Right lateral pterygoid muscle spasm B) Left TMJ disc displacement without reduction C) Hypermobility of the right joint D) Normal variation