تحميل كتاب MCQs for SLE مجموعه مؤلفين PDF

تحميل كتاب MCQs for SLE pdf MCQs for SLE . For lower premolars, the purpose of inclining the handpiece lingually is to A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine 2. For an amalgam Restoration of weakened cusp you should A. Reduce cusp by 2mm on a flat base for more resistance B. Reduce cusp by 2mm following the outline of the cusp C. Reduce 2mm for retention form 3. Before filling a class V abrasion cavity with GIC you should A. Clean with pumice, rubber cup, water and weak acid B. Dry the cavity thoroughly before doing anything C. Acid itch cavity then dry thoroughly 4. Which of the following statement about the defective margins of amalgam restoration is true? A. The larger the breakdown, the greater the chance of decay. 5. The retention Pin in an amalgam restoration should be placed A. Parallel to the outer wall B. Parallel to the long axis of tooth 6. The most common cause of failure of the IDN “Inferior Dental Nerve” block is A. Injecting too low B. Injecting too high 7. Which one of the following are not used in water fluoridation A. SnF2 B. 1.23% APF C. H2SiF2 D. CaSiF2 E. 8% Stannous fluoride 8. The best way to clean cavity before the placement of GIC is A. H2O2 B. Phosphoric Acid C. Polyacrylic acid .