Of the following which is most suitable anaesthesia for the extraction of a deciduous molar 1) Inferior alveolar nerve block 2) Surface anaesthesia 3) Local infiltration 4) None of the above
Oral SurgeryAnswer: 1
When the mandible is fractured in the canine region, both on the right and left sides, the fractured segment is displaced posteriorly by the pull of the
1. masseter, medial pterygoid and mylohycid muscles
2. buccinator, mylohyoid and genioglossus muscles
3. geniohyoid, thyroglossus and mentalis muscles
4. geniohyoid, genioglossus and anterior belly of digastric muscles
Oral SurgeryAnswer: 4
How many mg of adrenaline are in each cartridge of 2% lignocaine with 1:1,00,000 adrenaline 1) 0.36 mg 2) 0.036 mg 3) 0.018 mg 4) 0.18 mg
Oral SurgeryAnswer: 3
The tips of anatomic forceps should be placed 1) On the crown portion 2) At the junction of clinical and anatomical crowns 3) Near junction of apical and middle thirds of clinical crown 4) On the root surface as far apically as possible
Oral SurgeryAnswer: 4
A pregnant patient in second trimester falls into syncope during extraction of upper molars. She should be kept in 1) Trendelenburg position 2) Head down towards her feet 3) Right lateral position 4) Left lateral position
Oral SurgeryAnswer: 4
The direction of the bevel of the chisel during bone cutting is 1) Away from the bone to be sacrificed 2) Towards the bone to be sacrificed 3) Independent of the bone to be sacrificed 4) Parallel to stress lines
Oral SurgeryAnswer: 2
Which is the best method to counteract severe acidosis following cardiopulmonary resuscitation? 1. Administration of adrenaline by IV routes 2. Administration of sodium bicorbonate intravenously 3. Administration of adrenaline intramuscularly 4. No treatment is necessary because it is self-limiting
Oral SurgeryAnswer: 2
A displaced mandibular fracture in a child should be managed by 1. Circum-mandibular wiring 2. Early mobilization 3. Intermaxillary fixation 4. Transosseous wiring
