Oral Surgery #4 – Unidontia

1. Treatment of localized pain 3-4 days post extraction due to loss of clot is done by

Placement of antibiotics and analgesics directly in socket

Curettage of socket

Irrigation of the socket & placement of sedative dressing

Creation of new blood clot

2. Most common site of zygomatic arch fracture is

anterior to it

No specific location

ZT suture

posterior to it

3. During inferior alveolar nerve block, the needle is located in:

Massetric space

Parotid space

Pterygomandibular space

Temporal space

4. Ester L.A is contraindicated in:

coagulation disorders

hyperparathyroidism

diabetic neuropathy

cholinesterase deficiency

5. The first objective of treatment of acute pericoronitis is

Control of acute inflammation

Grinding of opposite molar

Antibiotic and analgesic cover

Removal of involved molar

6. Maximum dose of lignocaine that can be given without adrenaline:

7 mg/kg body wt

2 mg/kg body wt

6.5 mg/kg body wt

4.4 mg/kg body wt

7. Anaesthetic agent indicated for use in setting of raised intracranial pressure:

Sevoflurane

Enflurane

Isoflurane

Nitrous oxide

8. A 52-year-old woman requests removal of a painful mandibular second molar. She tells you that she has not rested for two days and nights because of the pain. Her medical history is unremarkable, except that she takes20 mg of Prednisone daily for erythema multiforme. How do you treat this patient?

Have patient discontinue the Prednisone for two days prior to the extraction

Give steroid supplementation and remove the tooth with local anesthesia and sedation

No special treatment is necessary prior to extraction

Instruct the patient to take 3 grams of amoxicillin one hour prior to extraction

9. Lingual split bone techniis used for extraction of:

Impacted maxillary 3rd molar

Impacted mandibular 3rd molar

Impacted maxillary canine

Impacted mandibular canine

10. Trap door anomaly is seen in fracture of:

Zygomatic arch

Maxilla

Nasal

Orbital floor

11. Check point in the reduction of zygoma during management of maxillary Complex fractures is:

Symmetry at the infraorbital rim

Alignment at the zygomatic maxillary buttress area

Symmetry of the zygomatic arches

Symmetry at the frontozygomatic suture area

12. Airway breathing circulation sequence:

ABC

CAB

ACB

BCA

13. The bone surrounding the impacted third molar is removed to:

Identity the crown

To expose cervical line

Expose the bifurcation

Expose the height of contour

14. The propylene glycol in IV valium can cause:

cellulitis

phlebitis

syncope

a unilateral facial paralysis

15. The mechanical advantage obtained from the wheel and axle principle of elevator is

2.5

4.6

16. Inferior alveolar nerve block alone can be used in

Apicoectomy of 3rd molar

Extraction of 1st molar

Root resection of 1st molar

Pulpotomy of 3rd molar

17. First Local Anaesthesia to be used clinically was

Lignocaine

Cocaine

Procane

Bupivacaine

18. Following a local anesthetic injection, anesthetic effects will disappear and reappear in a definite order. Arrange the following sensations in increasing order of resistance to conduction. 1. Touch, 2. Warm, 3. deep pressure, 4. Pain, 5. Cold, 6. Motor

6,3,5,4,2,1

4,5,2,1,3,6

4,6,2,1,3,5

1,2,5,4,3,6

19. Which of the following are involved in the path for parasympathetic innervation of the parotid gland

Trigeminal Nerve

Vagus Nerve

Pterygopalatine Ganglion

Otic Ganglion

20. During prolonged oral surgical operation which of the following is used to secure patent airway?

Cuffed nasotracheal tube

Proseal LMA

Non-cuffed nasotracheal tube

Tracheostonly

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