Polishing agents for amalgam are to be wetted 1) To reduce frictional heat 2) To increase the action of the polishing agents 3) To prevent dehydration of the tooth structure 4) All of the above
Conservative DentistryAnswer: 1
In which class of cavities is amalgam contraindicated 1) Class 1 2) Class 2 3) Class 4 4) Class 5
Conservative DentistryAnswer: 3
For maximum strength, amalgam should have 1) Maximum of matrix phase and minimum of gamma phase 2) Maximum of gamma phase and maximum of gamma II phase 3) Maximum of gamma phase and minimum of matrix phase 4) Maximum of gamma II phase and minimum of gamma phase
Conservative DentistryAnswer: 3
Contact areas in a gold inlay should be 1) Soldered 2) Carved out and contoured in the was pattern 3) A point contact with neighbouring teeth 4) Rounded and at a distance from neighbouring tooth
Conservative DentistryAnswer: 2
Dental gold compared to type IV is stronger due to 1) Heat treatment 2) Grain elongation 3) Work hardening 4) All of the above
Conservative DentistryAnswer: 3
Bonding in porcelian fused to metal restorations is 1) Chemical and mechanical 2) Metallic and adhesive 3) Only chemical bonding 4) Only mechanical bonding
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
Conservative DentistryAnswer: 2
The composite that exhibits good flexure and is restoration of choice in class V cavities 1) Microfilled 2) Hybrid 3) Conventional 4) None of the above
