1. What is the minimum alveolar concentration of nitrous oxide (Vol %)? 95 50 105 75 2. Most common caries seen in primary 1 molar: Proximal surface above contact point Buccal surface below height of contour Proximal surface below contact point Occlusal pits and fissures 3. Why are rounded internal line angles desirable in the preparation of amalgam restorations in primary teeth? They decreases internal stresses in the restorative material They increase retention They conserve tooth structure They increase resistance 4. When treating rampant dental caries the first step is to Perform a prophylaxis instruct in oral hygiene and watch for improved habits Restore all teeth with stainless steel crown Perform a diet analysis and apply topical fluoride solution to all teeth Excavate softened tooth structure and temporize with zinc oxide eugenol 5. How are baby breath located while sucking milk Due to high placed larynx Due to short soft palate Due to short and wide tongue Due to short pharynx 6. A 15-year-old female has lived in a non-fluoridated area all of her life. Which of the following is most likely to occur in this young lady when she moves to a community where the drinking water naturally contains 6 ppm of fluoride? 50% reduction in dental caries Gastrointestinal problems Moderate dental fluorosis An increase in the amount of fluoride stored in her bones 7. An 18 months old child has caries in maxillary incisors and 1st molars and mandibular molars and canines. This child most probably has which of the following condition Nephrotic syndrome Nursing bottle caries Hereditary enamel hypocalcification Cretinism 8. The type of GIC used for ART is Type I GIC Type III GIC Type IX GIC Type II GIC 9. Frankel behavior is divided into how many numbers 3 2 1 4 10. Caries assessment in children; which one is not high risk factor Child with special problems/needs Initial demineralization General hypoplasia White opalescent area on the tooth 11. Tooth brushing should be taught to children’s at the age of >10 yr 5-6 yr 1-2yr 2-3 yr 12. The teeth usually examined in the simplified oral hygiene index are Incisors and canines Molars and premolars Molars and incisors Premolars and incisors 13. In a stainless steel crown on a deciduous molar with overhanging margins, gingival pain and inflammation occurs due to: Plaque retention Crown margins causing irritation Engaging undercut Excess cement 14. A child starts to hold his head stable at what age: 6-7 months 18-20 months 11-12 months 3-4 months 15. Parents should begin cleaning a child`s mouth When incisors and first molars have erupt When all anterior teeth have erupt When all deciduous teeth erupts By the first time tooth erupts 16. The enamel rods in the gingival third of primary teeth slope occlusally instead of cervically as in permanent teeth, and the interproximal contacts of primary teeth are broader and flatter than permanent teeth. The first statement is true and the second statement is false. The first statement is false and the second statement is false. The first statement is true and the second statement is true. The first statement is false and the second statement is true. 17. Chlorhexidine, achemotherapeutic agent used for treating plaque, calculi and gingivitis is a Bisguanide Antibiotics Organic compound Quaternary ammonium compounds 18. Which of the following is true of apexogenesis? It is indicated for a tooth with damaged radicular pulp Endodontic therapy can be performed more effectively following apexogenesis It is nonvital pulp therapy Its objective is to artificially close the root apex 19. In preparing a primary first molar for a stainless steel crown, the surface requiring the least amount of reduction is Occlusal Mesial Lingual Facial 20. Primary function of MTA is Root canal restorative material in deciduous teeth Restoration in deciduous anterior teeth Apexification in an immature traumatised pulpless teeth None Loading … Question 1 of 20
