Resistance form of the cavity preparation is that form which 1) Prevents the injury to the periodontium 2) Prevents the displacement of the restoration 3) Prevents the fracture of the restoration as well as tooth structure from abnormal forces 4) All of the above
Conservative DentistryAnswer: 3
Suck back porosity in the casting can be eliminated by 1) Increasing the mould metal temperature differential 2) Increasing the flow of the molten metal 3) Flaring the point of the sprue attachment 4) None of the above
Conservative DentistryAnswer: 3
Short bevel extends 1) In almost 2/3 of the enamel 2) All of the enamel and half of the dentin 3) All of the enamel only 4) 1/3 of the enamel
Conservative DentistryAnswer: 3
Occlusal to gingival divergence for a cast restoration on a short crown 1) Minimum for maximum retention 2) Maximum for minimum resistance 3) Maximum for max resistance 4) Minimum for maximum resistance
Conservative DentistryAnswer: 1
Placing the composites by syringe technique 1) Increases the strength and abrasives resistance 2) Increases the surface smoothness 3) Conserves the material 4) Decreases air voids in the restoration
Conservative DentistryAnswer: 4
Short bevel extends 1. In almost 2/3 of the enamel 2. All of the enamel and half of the dentin 3. All of the enamel only 4. 1/3 of the enamel
Conservative DentistryAnswer: 3
Restoration of angle fracture of anterior teeth can be done by 1. Amalgam 2. Composite resin 3. Glass ionomer cement 4. All of the above
Conservative DentistryAnswer: 2
The thickness of the band material used for class II restoration is 1) 0.002 inch 2) 0.02 inch 3) 0.002 mm 4) 0.02 mm
