Greatest potential of mercuric toxicity in dental office mainly results from 1) Contact with mercury during trituration 2) Inhalation of vapours containing mercury 3) Contact with mercury during condensation 4) All of the above
Conservative DentistryAnswer: 2
Should amalgam be burnished after it has been carved ? 1) No, it brings mercury to the surface of the margin 2) No, it might destroy the crystal structure 3) Yes, it continues condensation at the margins 4) Yes, it makes the surface look shiny
Conservative DentistryAnswer: 3
The base of class III preparation is 1. Axial wall 2. Gingival wall 3. Facial wall 4. Lingual wall
Conservative DentistryAnswer: 1
Instrument used to plane buccoproximal and linguoproximal walls in class II cavity is 1) Enamel hatchet 2) Bibevelled hatchet 3) Chisel 4) Single sided chisel
Conservative DentistryAnswer: 1
Fracture tooth is best restored with 1) Pin retained amalgam 2) Cast gold 3) Both A & B 4) Direct gold
Conservative DentistryAnswer: 2
The main purpose to bevel on cavosurface margin of inlay 1) Removal of the unsupported enamel 2) Improve the marginal adaptation of the inlay 3) To improve the resistance and retention form 4) All of the above
Conservative DentistryAnswer: 2
The function of the coupling agent in a restorative resin is to allow 1) Adhesion of resin particles 2) Bonding between the filler crystals 3) Bonding between filler and resin 4) Bonding between tooth and resin
Conservative DentistryAnswer: 3
The high compressive strength of high copper alloy is due to 1) Elimination of Gamma phase 2) Eutechtic in nature 3) Elimination of Gamma2 phase 4) All of the above
