The function of the cavity varnish under amalgam restoration is 1) Improves the marginal seal of the restoration 2) Prevents staining of the tooth structure from the amalgam 3) Both of the above 4) None of the above
Conservative DentistryAnswer: 3
Indium is alloyed or quartnery alloy where no tin is available for reaction belongs to which generation of amalgams 1) First 2) Second 3) Fifth 4) Fourth
Conservative DentistryAnswer: 3
Which periodontal structure is most likely to be injured by mechanical tissue displacement with the use of cord (without drugs) if too much apical pressure is applied during placement? 1) Apical fibres 2) Oblique fibers 3) Epithelial attachment 4) Dentoperiosteal fibers
Conservative DentistryAnswer: 3
The purpose of heating gold foil before condensing is 1) To improve welding quality 2) To melt the gold 3) To remove adsorbed gases on gold surface 4) To increase oxidation
Conservative DentistryAnswer: 3
The distal wall (axial wall) in MO class II cavity for amalgam 1) Right angles to the pulpal wall 2) Obtuse angles to the pulpal wall 3) Acute angles to the pulpal wall 4) No axial wall at all
Conservative DentistryAnswer: 2
Electralloy is an alloy of 1) Gold and platinum 2) Cobalt and chromium 3) Gold and calcium 4) Tin and chromium
Conservative DentistryAnswer: 3
In which of the condition "PIGGY BACK" wedging is indicated? 1) Proximal caries with gingival recession 2) Tooth with fluted surface 3) Class II with wide proximal box 4) Narrow class II cavity
Conservative DentistryAnswer: 1
Type IV gold is not selected for inlays because 1) Low percentage elongation 2) High ductility 3) High strength 4) High proportional limit
