Dental Question Bank
1 1. For lower premolars, the purpose of inclining the handpiece lingually is to A. B. C. D. Avoid buccal pulp horn Avoid lingual pulp horn Remove unsupported enamel Conserve lingual dentine
2. For an amalgam Restoration of weakened cusp you should A. B. C. Reduce cusp by 2mm on a flat base for more resistance Reduce cusp by 2mm following the outline of the cusp Reduce 2mm for retention form
3. Before filling a class V abrasion cavity with GIC you should A. B. C. Clean with pumice, rubber cup, water and weak acid Dry the cavity thoroughly before doing anything 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. B. Parallel to the outer wall Parallel to the long axis of tooth
6. The most common cause of failure of the IDN “Inferior Dental Nerve” block is A. B. Injecting too low Injecting too high
7. Which one of the following are not used in water fluoridation A. B. C. D. E. SnF2 1.23% APF H2SiF2 CaSiF2 8% Stannous fluoride
8. The best way to clean cavity before the placement of GIC is A. B. C. H2O2 Phosphoric Acid Polyacrylic acid
2 9. The most mineralised part of dentine is A. Peritubular dentine
10. A 45 year old patient awoke with swollen face, puffiness around the eyes, and oedema of the upper lip with redness and dryness. When he went to bed he had the swelling, pain or dental complaints. Examination shows several deep silicate restorations in the anterior teeth but examination is negative for caries, thermal tests, percussion, palpation, pain, and periapical area of rarefaction. The patient’s temperature is normal. The day before he had a series of gastrointestinal xrays at the local hospital and was given a clean bill of health. The condition is A. B. C. D. E. Acute periapical abscess Angioneurotic oedema Infectious
2. For an amalgam Restoration of weakened cusp you should A. B. C. Reduce cusp by 2mm on a flat base for more resistance Reduce cusp by 2mm following the outline of the cusp Reduce 2mm for retention form
3. Before filling a class V abrasion cavity with GIC you should A. B. C. Clean with pumice, rubber cup, water and weak acid Dry the cavity thoroughly before doing anything 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. B. Parallel to the outer wall Parallel to the long axis of tooth
6. The most common cause of failure of the IDN “Inferior Dental Nerve” block is A. B. Injecting too low Injecting too high
7. Which one of the following are not used in water fluoridation A. B. C. D. E. SnF2 1.23% APF H2SiF2 CaSiF2 8% Stannous fluoride
8. The best way to clean cavity before the placement of GIC is A. B. C. H2O2 Phosphoric Acid Polyacrylic acid
2 9. The most mineralised part of dentine is A. Peritubular dentine
10. A 45 year old patient awoke with swollen face, puffiness around the eyes, and oedema of the upper lip with redness and dryness. When he went to bed he had the swelling, pain or dental complaints. Examination shows several deep silicate restorations in the anterior teeth but examination is negative for caries, thermal tests, percussion, palpation, pain, and periapical area of rarefaction. The patient’s temperature is normal. The day before he had a series of gastrointestinal xrays at the local hospital and was given a clean bill of health. The condition is A. B. C. D. E. Acute periapical abscess Angioneurotic oedema Infectious