4Eli I, Uziel N, Baht R. Antecedents of dental anxiety :learnedresponses versus personality traits [J]. Cammunity Dent Oral Epidemiol,1997,25(3):233-237.
7Cohen LA, Snyder TL, La Belle AD. Correlates of dentalanxiety in a university population [J]. J Public Health Dent, 1982,42(3) :228-235.
8Milgrom Peter, Fiset L, Melnicks, et al. The prevalence andpractice management consequences of dental fear in a major UScity[J]. J Am Dent Assoc, 1988,116(6) :641-647.
