Retention grooves are placed in a class V cavity for non-adhesive restoration in 1) Mesioaxial and distoaxial line angles 2) Occlusoaxial and gingivoaxial line angles 3) All line angles of the cavity 4) None of the above
Conservative DentistryAnswer: 2
Outline form of the cavity is influenced by all except 1) Proximity to the pulp 2) Tooth position in the arch 3) Type of restorative material 4) Spreads of caries
Conservative DentistryAnswer: 1
Local anaesthetics aid in wet free field by 1) Blocking parasympathetic nerve supply 2) Blocking the sympathetic nerve supply 3) By reducing the anxiety of the patient 4) All of the above
Conservative DentistryAnswer: 3
Occlusal to gingival divergence for a cast restoration on a short crown 1) Minimum for maximum retention 2) Maximum for minimum resistance 3) Maximum for max resistance 4) Minimum for maximum resistance
Conservative DentistryAnswer: 1
Inorganic phase of the composites aids in 1) Increasing the mechanical strength 2) Decreasing the cofficient of thermal expansion 3) Reducing the polymerisation shrinkage 4) All of the above
Conservative DentistryAnswer: 4
Surface hardness of the gold foil during condensation 1) Always increases 2) Always decreases 3) Increased followed by a decrease 4) Decreased followed by an increase
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
Silicate cement is indicated in 1) Mouth breathers 2) Patients with high caries index 3) Restoration of posterior teeth 4) None of the above