dental fear and anxiety dental fear and anxiety assessment instrument Dental Fear Survey (DFS) 2025-03-10T13:28:59Z A dental fear and anxiety assessment instrument initially described by Kleinknecht et al. (1973) used to identify specific fear stimuli such as seeing the needle and smelling the smell of the dental office, as well as to measure patients’ reactions concerning the avoidance of dentistry and physiological arousal during a dental appointment. Finn Wilson