Oral Surgery #1 – Unidontia

1. Local anesthetic agent used in a patient with a history of allergy to LA agents is

Ether

Diphenylalanine

Mepivacaine

Chloroform

Question 1 of 20

2. Polyglycolic acid suture is:

Nonabsorbable natural suture

Nonabsorbable synthetic suture

Absorbable synthetic suture

Absorbable natural suture

Question 2 of 20

3. Most upper third molar teeth luxate in a:

Distobuccal direction

Distolirtgual direction

Mesiobuccal direction

Mesiolingual direction

Question 3 of 20

4. Gunshot injury with periosteal damage and comminuted fracture of mandible should be treated with

Immediate reconstructive bone & bone grafts

External splint

Bags of bones and IMF

Debribement and load bearing plate in first phase and bone graft and reconstruction in 2nd phase

Question 4 of 20

5. Encephlation is:

Irrigation of maxillary sinus

Irrigation of salivary gland

Removal of partial cystic lining and then suturing it with oral mucosa

Removal of cystic lining in total

Question 5 of 20

6. Pterygoid trismus is caused due to which nerve block:

Buccal

Lingual

Inferior alveolar

Posterior superior alveolar

Question 6 of 20

7. Pericoronitis is seen in relation to

Completely erupted crowns only

None of the above

Impacted third molars only

Around incompletely erupted crown

Question 7 of 20

8. The most definite, clinical sign indicating odontogenic infection in to the masticatory space is

Xerostomia

Difficulty in swallowing

Swelling in submental area

Trismus

Question 8 of 20

9. Which cranial nerve provides motor innervation to the sternocleidomastoid and trapezius muscles?

Vagus (CN X)

Accessory (CN XI)

Glossopharyngeal (CN IX)

Hypoglossal (CNXII)

Question 9 of 20

10. Exophthalmos not present in

Blow in fracture

Blow out fracture

Thyrotoxicosis

None of the above

Question 10 of 20

11. The scalpel blade most commonly used for oral surgical procedures is

No.12

No.11

No.22

No.15

Question 11 of 20

12. Genioplasty procedure is used:

To change the attachment of genioglossus muscle in Preprosthetic procedures

To modify the attachment of anterior belly of digastric

To change the position of genial tubercles

To modify the position of chin

Question 12 of 20

13. Fix plating for the mandibular body fracture:

At lower border

One at upper and one at lower border

Between upper and lower border

At upper border

Question 13 of 20

14. All of the following are ways of eliminating dead space except:

Apply pressure dressings

Allow the void to fill with blood so that a blood clot will form

Close the wound in layers to minimize the postoperative void

Use drains to remove any bleeding that accumulates

Question 14 of 20

15. Airway maintenance in major oral surgical procedures

Uncuffed nasotracheal

Pro sealed Laryngeal mask airway

Cuffed nasotracheal

Laryngeal mask airway

Question 15 of 20

16. After completing your postoperative instructions for dental implant placement for replacement of tooth #14, your patient asks you how long it will be before she can get her new tooth. Which of the following is most correct to allow complete osseointegration?

3 weeks

6 months

3 months

6 weeks

Question 16 of 20

17. Which of the following is not used during treatment of parotid fistula is:

Aspiration and pressure dressing

Atropine

Probanthaline

Pilocarpine

Question 17 of 20

18. In which of the following fracture increase in lower facial height is seen

Bilateral parasymphysis fracture

Guardsman fracture

Symphysis fracture

Bilateral angle fracture

Question 18 of 20

19. DEPTH AT which impacted tooth is located is measured by

Amber line

Red line

Black

White line

Question 19 of 20

20. All of the following are true statements concerning the principles of suturing technique EXCEPT

Tissues should be closed under tension

Sutures should be 2-3 mm apart

The needle should be perpendicular when it enters the tissue

Sutures should be placed from thin tissue to thick tissue

Question 20 of 20