Which one of the following operative instruments is sharpened with hand piece stones 1) Enamel hatches 2) Binangle chisels 3) Curved chisels 4) Spoon excavators
Conservative DentistryAnswer: 4
Advantages of pin retained amalgam restoration are 1) Tooth preparation is more conservative 2) Restoration can be completed in one visit 3) Retention form is improved by the use of pins 4) All of the above
Conservative DentistryAnswer: 4
Colour dye detector is used for 1) Detecting incipient carious lesions 2) Caries susceptibility 3) Differentiating between affected and effected dentin 4) All of the above
Conservative DentistryAnswer: 3
For the balance of hand cutting instrument 1) Cutting edges of the working end should be centered over the long axis of the handle 2) It should have shorter, straighter shank 3) It should have solid handle 4) None of the above
Conservative DentistryAnswer: 1
Localised necrosis of the pulp from cutting burs is 1) Due to heat 2) Due to vibrations 3) Due to pressure 4) All of the above
Conservative DentistryAnswer: 1
The cavosurface angle in conventional cavity preparation on root surfaces 1) Butt type 2) Bevelled at acute angles 3) Bevelled at obtuse angles 4) Rounded
Conservative DentistryAnswer: 1
Cavosurface bevels are contraindicated for the following restorations 1) Silicates and porcelain 2) Silicates and composites 3) Direct filling and cast gold 4) Amalgam and composites
Conservative DentistryAnswer: 1
The term stepping is associated with 1) Root canal preparation 2) Direct gold condensation 3) Silver amalgam condensation 4) Fracture mandible
