Mcq - Exam Format

Topics: Mandibular nerve, Bone grafting, Teeth Pages: 9 (847 words) Published: July 21, 2011

1. A severe dull ache in the jaw three or four days after surgical removal of a mandibular tooth usually indicates

a. Exposure of cementum of an adjacent tooth

b. Acute pulpitis of an adjacent tooth

c. Loss of alveolar blood clot

d. Prescription of an antibiotic agent

2. The greatest barrier to infection is

a. Connective tissue

b. Fascia

c. Epithelium

d. Muscle

3. Incision & drainage (I&D) in an area of acute infection should be performed when

a. Localisation has occurred

b. Acute pain is present

c. Induration has occurred

d. Fever is above 1020 F

4. In a 19 year old patient, with a swelling over the left angle of the mandible, temperature of a 380C and negative history of trauma, one should suspect

a. Pericoronal infection

b. Trigeminal neuralgia

c. Mumps

d. Sjogren ‘s Syndrome

5. The roof of pterygomandibular space is formed by

a. Cranial base

b. Temporalis muscle

c. Medial pterygoid

d. Lateral pterygoid

6. Trismus associated with the infection of lateral pharyngeal space is related to irritation of the

a. Medial pterygoid

b. Masseter

c. Lateral pterygoid

d. Buccinator

7. Involucrum is

a. Dead bone

b. New live bone

c. Slough formed at the base

d. Purulent exudates

8. Treatment of Garre’s osteomyelitis is

a. Incision & drainage

b. Marsupalisation

c. Sequestrectomy

d. Surgical recontouring

9. Hyperbaric oxygen is indicated for

a. Obstructive lung diseases

b. Cardiac failure

c. Osteoradionecrosis

d. Renal diseases

10. Which of the following is not associated with acute osteomyelitis of the mandible with a duration of 1 week

a. Severe pain

b. Paraesthesia of lower lip

c. Purulent exudates

d. Radiographic evidence of bone destruction

11. Biopsy specimens removed for examination are immediately placed in

a. 10% ethanol

b. 10% formalin

c. Hydrogen peroxide

d. 100% formalin

12. The aspirate from a keratocyst will have

a. A low soluble protein content

b. A high soluble protein content

c. Cholesterol crystals

d. Inflammatory cells

13. Marsupalisation or Partsch operation , is commonly used to treat

a. Oroantral fistula

b. Periapical cyst

c. Large cyst

d. Cystic odontoma

14. The most ideal explanation for recurrence of odontogenic keratocyst

a. Increased mitotic activity of the epithelial lining

b. Continued proliferation of rests of dental lamina

c. 0Localised bud like mural proliferations within the epithelium that develop into ameloblastoma

d. Presence of satellite / daughter cysts in the rete pegged epithelium

15. Which of the following bone lesion exhibits – honey comb or soapbubble radiographic appearance

a. Anuerysmal bone cyst

b. Central giant cell granuloma

c. Traumatic bone cyst

d. Stafne’s bone cyst

16. Of the following the most difficult to extract is

a. Horizontal

b. Disto-angular

c. Mesio-angular

d. Vertical

17. The red line in Winter’s classification of impacted teeth represents

a. The angulation of the 2nd molar

b. Relation of the 3rd molar to the ramus

c. The depth at which the impacted tooth is located

d. The summit of the alveolar bone covering the impacted tooth

18. During extraction of lower impacted right molar, bone is removed

a. Upto half of roots

b. Upto...
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