Mcq In Oral And Maxillofacial Surgery Pdf -
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
A patient with mandibular hypoplasia and obstructive sleep apnea would benefit most from: A) Genioplasty B) Bilateral sagittal split osteotomy (BSSO) with advancement C) Le Fort I impaction D) Mandibular setback
The most common site for a salivary gland stone (sialolith) is: A) Sublingual gland B) Parotid gland (Stensen's duct) C) Submandibular gland (Wharton's duct) D) Minor salivary glands of the palate mcq in oral and maxillofacial surgery pdf
The most sensitive and specific imaging modality for diagnosing a mandibular condyle fracture is: A) Panoramic radiograph (OPG) B) PA mandible view C) CT scan with coronal and sagittal reconstructions D) MRI
What is the ideal time frame for definitive fixation of a facial fracture to avoid malunion? A) Within 1 hour B) 24-48 hours C) 7-14 days D) 3-6 months Which suture material is absorbed by enzymatic hydrolysis
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
In a patient with a severe facial cellulitis and trismus (mouth opening <10mm), the most appropriate next step after IV antibiotics is: A) Discharge with oral antibiotics B) Surgical exploration and drainage under general anesthesia C) High-dose corticosteroids D) Heat therapy SECTION 4: MAXILLOFACIAL TRAUMA (Q19-25) Q19. A patient involved in a RTA has bilateral periorbital ecchymosis (raccoon eyes) and clear rhinorrhea. You suspect: A) Zygomatic fracture B) Le Fort II or III fracture with possible CSF leak C) Naso-orbito-ethmoid (NOE) fracture D) Simple nasal bone fracture A) Within 1 hour B) 24-48 hours C)
A radiolucent lesion with "root resorption and expansion" in the mandibular premolar region of a young adult. Most likely: A) Periapical cyst B) Ameloblastoma C) Odontogenic keratocyst (OKC) D) Central giant cell granuloma
The minimum required bone height for placement of a standard 10mm dental implant in the posterior mandible is: A) 5 mm B) 8 mm C) 10 mm (above inferior alveolar canal) D) 15 mm
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