MCQs in Chapter 1 of Contemporary Orthodontics 1-Perfect occlusion of the teeth is present NATURALLY in a. Less than five percent of the population. b. About 25 percent of the population. c. About 50 percent of the population. d. Nearly 100 percent of the population.2-What is the relation of the lower first molar to the upper first molar in an Angle Class II malocclusion?3.Overbite is defined as .. overlap of the incisors. 4.Which malocclusion is LEAST prevalent?
5. At what age should a child be referred for an orthodontic examination? a. Three years b. Six years c. Seven years d. Fourteen years 6. Which of the following is generally NOT the responsibility of the primary care dentist? 7. Which term describes the vertical relation of upper and lower incisors? 8. Which of the following is NOT a variation of normal occlusion? 9. Angle Class II malocclusion is also called
a. distoclusion. b. mesioclusion. c. neutroclusion. 10. What is the purpose of orthodontic treatment? 11. Which aspect of malocclusion is the most common?