Which suture material is absorbed by enzymatic hydrolysis and causes the least tissue reaction? A) Catgut (plain) B) Polyglactin 910 (Vicryl) C) Silk D) Nylon SECTION 2: DENTOALVEOLAR & IMPACTED TEETH (Q6-12) Q6. The most common impacted tooth in the oral cavity is: A) Maxillary canine B) Mandibular third molar C) Mandibular premolar D) Maxillary third molar
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
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
Diplopia following a blow-out orbital fracture is initially managed by: A) Emergent orbital floor reconstruction B) Corticosteroids and observation for 7-10 days C) Prism glasses D) Lateral canthotomy SECTION 5: ORAL PATHOLOGY & ONCOLOGY (Q26-32) Q26. A 65-year-old male smoker has a non-healing ulcer on the lateral tongue for 8 weeks. Indurated borders. Biopsy shows malignant epithelial cells invading connective tissue. Diagnosis: A) Traumatic keratosis B) Squamous cell carcinoma (SCC) C) Verrucous carcinoma D) Lymphoma
The first-line empirical antibiotic for a healthy adult with a moderate odontogenic infection (no penicillin allergy) is: A) Clindamycin B) Metronidazole + Amoxicillin C) Azithromycin D) Doxycycline