Cavosurface bevels are contraindicated for the following restorations 1) Silicates and porcelain 2) Silicates and composites 3) Direct filling and cast gold 4) Amalgam and composites
Conservative DentistryAnswer: 1
Which of the following should be used to clean the operating site before giving composite restorations? 1) Pumice slurry 2) Prophy paste containing glycerine 3) Prophy paste containing fluoride 4) All of the above
Conservative DentistryAnswer: 1
Universal matrix band retainer is also known as 1) Ivory 8 retainer 2) Tofflemire retainer 3) Sequiland retainer 4) None of the above
Conservative DentistryAnswer: 2
Amount of gap required for cement in restoration is 1) 10-25 mm 2) 2 mm 3) 50-100 mm 4) No gap required
Conservative DentistryAnswer: 1
Bevel on the cavosurface margin for an cast gold permits close adaptation of gold margins because 1) Thin margins of gold can be drawn over the pronounced marginal defects 2) Thinner margins of the gold resting on the bevel are easily malleable 3) Both A and B 4) None of the above
Conservative DentistryAnswer: 2
Which one of the following operative instruments is sharpened with hand piece stones 1) Enamel hatches 2) Binangle chisels 3) Curved chisels 4) Spoon excavators
Conservative DentistryAnswer: 4
Primary determinant of the outline form in class V preparation 1) Height of the gingival crest 2) Extension of the caries 3) Type of the restorative material 4) Teeth anatomy
Conservative DentistryAnswer: 2
Stones mounted on a rotating instrument are used to sharpen 1) Excavator 2) Hatchets 3) Hoes 4) Chisels
