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Оформить заказA patient reports recurrent painful swelling of the right parotid gland during meals. Sialography shows sialectasis (dilation of ducts). Diagnosis: A) Sjögren's syndrome B) Juvenile recurrent parotitis C) Sialolithiasis D) Mumps
Velopharyngeal insufficiency following cleft palate repair is best assessed by: A) Perceptual speech assessment and nasoendoscopy B) Panoramic radiograph C) Cephalometric analysis D) Hearing test
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
A patient presents with unilateral facial paralysis following inferior alveolar nerve block. This is due to anesthesia of which nerve? A) Facial nerve (main trunk) B) Marginal mandibular branch C) Cervical branch D) Buccal branch
Which of the following is a premalignant lesion with the highest malignant transformation rate? A) Frictional keratosis B) Nicotine stomatitis C) Proliferative verrucous leukoplakia D) Lichen planus (reticular type)
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
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 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
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 causative organism in severe odontogenic infections is: A) Peptostreptococcus B) Streptococcus anginosus (milleri group) C) Actinomyces israelii D) Eikenella corrodens
Which tumor is known for its "soap bubble" or "honeycomb" radiological appearance in the posterior mandible? A) Adenomatoid odontogenic tumor B) Ameloblastoma C) Odontoma D) Central hemangioma
The imaging gold standard for suspected TMJ internal derangement (disc displacement) is: A) Panoramic radiograph B) CT scan C) MRI with the mouth open and closed D) TMJ arthrogram