Blocking out undercuts in cavity preparation for CAD/CAM inlay is carried out by 1) Dentist after final cavity preparation stage 2) Laboratory technician before wax pattern preparation 3) Dentist in the wax preparation 4) All of the above
Conservative DentistryAnswer: 1
The best gingival margin for porcelain jacket crown 1) Chamfer 2) Knife edge 3) Shoulder 4) None of the above
Conservative DentistryAnswer: 3
The purpose of heating gold foil before condensing is 1) To improve welding quality 2) To melt the gold 3) To remove adsorbed gases on gold surface 4) To increase oxidation
Conservative DentistryAnswer: 3
The main purpose of trituration is 1) To coat the alloy particle with mercury 2) Dissolve all the alloy particles in mercury 3) To reduce the size of the alloy particles 4) None of the above
Conservative DentistryAnswer: 1
Pin retained amalgam is not used in 1) Where margins of restoration rest below the gingiva 2) Non-vital teeth 3) Hypoplastic teeth 4) Vital teeth
Conservative DentistryAnswer: 3
While preparing occlusal cavity for amalgam in mandibular first premolar, the bur 1. Is kept absolutely vertical 2. Is tilted slightly buccally 3. Is tilted slightly lingually 4. Can be kept in any direction
Conservative DentistryAnswer: 3
In designing a retainer on a non-carious mandibular first premolar abutment with short clinical crown, which of the following restoration is most appropriate 1) A full crown 2) A reverse 3/4 crown 3) MOD onlay 4) Inlay
Conservative DentistryAnswer: 3
If the nib diameter is reduced by half, the compaction force is 1) Halved 2) Double 3) Increase 4 times 4) Constant
