ASDA NBDE Part II Test G s Questions & Answers

ASDA NBDE Part II Test G s Questions & Answers Orthodontics/Pedodontics April 1985 - ANS-Orthodontics/Pedodontics April 1985 Answers 1. An 8-year-old patient with all primary molars still present exhibits a cusp-to-cusp relationship or permanent maxillary and mandibular fist molars. The dentist should A. continue regular recalls B. plan serial extractions for more normal adjustment of the occlusion C. refer the patient to an orthodontist for consult ion - ANS-A. continue regular recalls 6. A 10-year-old patient exhibits slight crowding of mandibular anterior teeth with primary molars in various stages of exfoliation. The most appropriate approach to management is to A. observes the patient at 6 month intervals C. obtain study casts and perform an arch length analysis D. delay treatment until all permament teeth have completely erupted. - ANS-C. obtain study casts and perform an arch length analysis 7. In which of the following situations is space maintenance most difficult to manage? A. A 9.5 year-old patient with loss of a permanent maxillary 1st molar E. A 5 year-old patient with loss of a primary mandibular 2nd molar - ANS-E. A 5 year-old patient with loss of a primary mandibular 2nd molar 1) If a 5 year old patient lost the 2nd primary mandibular molar, the patient needs to hold that space until approx. 11 years old (until the 2nd premolar comes out). In addition at around 6 years old the 1st permanent 1st molar will come out. 10. A major disadvantages of treatment using a cervical headgear is B. extrusion of maxillary incisors C. extrusion of maxillary molars - ANS-C. extrusion of maxillary molars 13. Following the growth rate typical for lymphoid tissue, tonsillar and adenoid tissue masses can be expected to show B. rapid increase in size at the time of puberty C. a decrease in size beginning in the circumpubertal period - ANS-C. a decrease in size beginning in the circumpubertal period 14. Which of the following conditions is usually present in a Class II, Division 2 malocclusion? - ANSLingual inclination of maxillary central incisors 15. An 8-year-old girl is admitted to the hospital for treatment of "swollen gums" of three weeks duration. Oral examination reveals markedly edematous and erythematous gingival. Her parents state that the child has been well although in the past month, some malaise, anorexia, and occasional fever were noted. The most appropriate cousre of action is to B. request a hematologic consultation D. prescribe a 10-day course of oral penicillin (1 million units per day) - ANS-B. request a hematologic consultation 21. An anatomic crossbite, as contrasted with a functional crossbite, usually demonstrates A. marked wear facets B. smooth closure to centric occlusion C. deviated closure to centric occlusion - ANS-B. smooth closure to centric occlusion 1) Anatomic crossbite = smooth closure to centric occlusion 2) Functional crossbite = deviated closure to centric occlusion 22. If the eruption sequence of permanent teeth is normal, one can expect B. maxillary 2nd premolars to preceded maxillary canines C. maxillary canines to precede mandibular canines - ANS-B. maxillary 2nd premolars to preceded maxillary canines 1) preceded means before 26. A 10-year-old patient has an endo-on molar relationship in the mixed dentition. This will probably become a Class I molar relationship by A. the maxillary molar drifting posteriorly 0.9mm B. the mandibular molar drifting forw