In bitewing radiographs, occlusal pit caries of enamel appears as a 1) Circular radiolucent area 2) Triangular radiolucent area with its base towards the dentine-enamel junction 3) Vertical radiolucent line 4) None of the above
Conservative DentistryAnswer: 2
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
Which of the following is not true about lubricant for rubber dam placement? 1) Should have water-miscible vehicle 2) Vaseline is an ideal choice 3) Should be easy to remove 4) Should not interfere with bonding procedure
Conservative DentistryAnswer: 2
The order of placement of materials in deep caries from pulpal side 1) Cavity varnish, calcium hydroxide and zinc phosphate base 2) Calcium hydroxide, varnish and zinc phosphate base 3) Zinc phosphate, varnish and calcium hydroxide 4) There is no definite order
Conservative DentistryAnswer: 2
Compared to lathe cut alloy, spherical dental amalgam alloy 1) Require less amalgamation time 2) Require higher forces for condensation 3) Require more mercury for trituration 4) Have longer setting times
Conservative DentistryAnswer: 1
Which factor most affects the adaptation of the gold foil to the cavity walls 1. Size of the condenser 2. Direction of the force 3. Shape of the condenser 4. Force applied
Conservative DentistryAnswer: 2
One of the following is not true about treatment of dentinal hypersensitivity with dentin bonding agents 1) It denatures protein 2) It forms a hybrid layer 3) It does not alter dentin permeability 4) It forms resin tags into dentinal tubule
Conservative DentistryAnswer: 3
A ferrule is 1) A rule governing gold inlay cavity preparation 2) A mechanical rapid tooth separator 3) An encircling band of metal that increases fracture resistance of the tooth 4) None of the above