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 main purpose of etching the enamel before placing composites 1) Increases the surface area 2000 times 2) To create surface irregularities to aid in mechanical interblocking 3) Allow proper adaptation and decrease marginal leakage 4) All of the above
Conservative DentistryAnswer: 4
In preparing the onlay, occlusal reduction depends on all of the following except 1) Location of the centric contacts 2) Amount of clearance before reduction 3) Depends upon the physical properties of the restoration 4) Thickness of the enamel of occlusal surface
Conservative DentistryAnswer: 4
A butt joint is a 1) 90 degree joint 2) 120 degree joint 3) 70 degree joint 4) 180 degree joint
Conservative DentistryAnswer: 1
The debridement of prepared cavity is done with 1) Hot air 2) Paraformaldehyde 2.5% 3) Hydrogen peroixde 3% 4) Carbolic acid
Conservative DentistryAnswer: 3
Resin modified glass ionomer is designed to 1) Provide rapid setting to minimze cement acidity allowing early finishing 2) Reduce the rate of fluoride release 3) Reduce the cost of the product 4) Changing the translucency of the products
Conservative DentistryAnswer: 1
The percentage of unconsummated alloy in low copper amalgams 1) 20 2) 9.2 3) 8.8 4) 10
Conservative DentistryAnswer: 3
The axiopulpal depth of the proximal box in class II cavity is 1) 0.2 to 0.8 mm 2) 0.5 to 1 mm 3) 1 to 2 mm 4) 2 to 3 mm
