3Rafique S, Banerjee A, Fiske J. Management of the petrified dental patient [J]. Dent Update, 2008, 35(3). 196-204.
4Thomson WM, locker D, Poultou R. Incidence of dental anxiety in young adults in relation to dental treatment [J]. Community Dent Oral Epidemiology, 2000, 28(4): 289-294.