Mcq In Oral And Maxillofacial Surgery Pdf May 2026

A patient presents with a painless, fluctuant swelling over the angle of the mandible. Aspiration yields cholesterol crystals. Most likely: A) Abscess B) Ranula C) Dermoid cyst D) Second branchial cleft cyst SECTION 6: TMJ & SALIVARY GLANDS (Q33-38) Q33. The most common cause of temporomandibular joint (TMJ) pain is: A) Rheumatoid arthritis B) Myofascial pain dysfunction C) Internal derangement with reduction D) Ankylosis

Which medical condition is an absolute contraindication for outpatient oral surgery? A) Well-controlled hypertension (140/90) B) Hemophilia A with factor VIII level 25% C) Uncontrolled congestive heart failure D) Type 2 diabetes on metformin SECTION 8: CLEFT & ORTHOGNATHIC SURGERY (Q45-50) Q45. The most critical period for cleft lip and palate formation is: A) 1st week of gestation B) 4th to 7th week of gestation C) 3rd month of gestation D) 6th month of gestation mcq in oral and maxillofacial surgery pdf

Which space infection can lead to the most rapid spread to the mediastinum? A) Buccal space B) Submental space C) Lateral pharyngeal space D) Canine space A patient presents with a painless, fluctuant swelling

The Le Fort I osteotomy is designed to mobilize the maxilla for movement. The horizontal cut is typically made approximately how many mm above the apices of the teeth? A) 1-2 mm B) 5-6 mm C) 10-12 mm D) 15-20 mm ANSWER KEY (Place at the end of PDF) | Q# | Answer | Q# | Answer | Q# | Answer | Q# | Answer | |----|--------|----|--------|----|--------|----|--------| | 1 | C | 14 | B | 27 | C | 40 | B | | 2 | C | 15 | B | 28 | C | 41 | C | | 3 | C* (Check current AHA; recent updates removed routine prophylaxis for most dental procedures) | 16 | B | 29 | C | 42 | B | | 4 | C | 17 | C | 30 | B | 43 | B | | 5 | B | 18 | B | 31 | B | 44 | C | | 6 | B | 19 | B | 32 | D | 45 | B | | 7 | A | 20 | C | 33 | B | 46 | D | | 8 | B | 21 | C | 34 | B | 47 | B | | 9 | B | 22 | B | 35 | C | 48 | B | | 10 | B | 23 | C | 36 | B | 49 | A | | 11 | C | 24 | A | 37 | C | 50 | B | | 12 | C | 25 | B | 38 | B | | | | 13 | A | 26 | B | 39 | A | | | The most common cause of temporomandibular joint (TMJ)

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The most common causative organism in severe odontogenic infections is: A) Peptostreptococcus B) Streptococcus anginosus (milleri group) C) Actinomyces israelii D) Eikenella corrodens