Direction of placement of retentive pins holes should be 1) Perpendicular to external tooth surface 2) Parallel to external tooth surface 3) Parallel to other pins 4) Never beneath cusps to be restored
Conservative DentistryAnswer: 2
The size of the sprue in casting an average bicuspid MOD casting by centrifugal force is 1) 10 gauge 2) 12 gauge 3) 16 gauge 4) 20 gauge
Conservative DentistryAnswer: 2
Acid etching significantly reduces 1) Microleakage 2) Setting shrinkage 3) Coefficient of thermal expansion 4) All of the above
Conservative DentistryAnswer: 1
The amount of force needed to compact direct filling gold properly is influenced mostly by the 1) Angle of compaction 2) Surface area of the condenser 3) Bulk of the surrounding tooth 4) Temperature at which gold is annealed
Conservative DentistryAnswer: 2
Cutting the oblique ridge in first molar can be avoided in all except 1) Ridge with a deep fissure 2) Ridge undermined with caries 3) Extension is necessary for retention 4) Incipient caries in mesial and distal pits
Conservative DentistryAnswer: 4
All of the following are true for light cure composite except 1) Held at distance of 1mm from tooth 2) Use orange glass shield for eye protection 3) Curing cycle of 40-60 seconds 4) Adding increments of 1-2 mm
Conservative DentistryAnswer: 3
The undercuts given in a class I cavity placed in 1) Buccopulpal and linguopulpal line angles 2) Mesiobuccal and distobuccal line angles 3) All the line angles 4) None of the above
Conservative DentistryAnswer: 1
Which of the following restorative materials is recommended for root surface caries 1) GIC 2) Composites 3) Direct filling gold 4) Amalgam
