One week after placement of an amalgam restoration in a class II cavity, proximal portion is missing. The most reasonable explanation 1) Improper resistance 2) Inadequate retention of the proximal portion 3) Inadequate resistance and retention form of proximal box 4) None of the above
Conservative DentistryAnswer: 3
The finish edge used in anterior metal ceramic jacket crown is 1) Facially shoulder, lingually feather edge 2) Facially shoulder, lingually shoulder 3) Facially shoulder with bevel, lingually Chamfer 4) Facially shoulder, lingually Chamfer
Conservative DentistryAnswer: 3
Many instruments are identified by the numbering system placed on the handle. First number indicates 1) Width of blade in mm 2) Width of blade in 1/10th of mm 3) Length of the blade in cm 4) Width of the cutting edge
Conservative DentistryAnswer: 2
In which type of lesion "eburnation" of the dentin is seen? 1) Acute caries 2) Chronic caries 3) Arrested caries 4) Root caries
Conservative DentistryAnswer: 3
The type of chisel with the shank and blade slightly curved is 1) Straight chisel 2) Wedelsaedt chisel 3) Enamel hatchet 4) GMT
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 malleting force is directed 1) Perpendicular to the walls 2) Parallel to long axis of crown 3) 45 degree to the wall 4) None of the above
Conservative DentistryAnswer: 3
Cutting instruments should be thoroughly sharpened 1) To reduce pain 2) To effectively control the instrument 3) To create smooth surface wall 4) All of the above
