“…Quite a large number of studies have been conducted to identify the potential anxiety-provoking stimuli present in the dental setting. These stimuli include receiving an injection (15,16), having dental X-rays taken (17), the sight of the needle (18)(19)(20)(21)(22)(23), various aspects of the drill, such as sight, sound, smell and sensation (8,(23)(24)(25), negative behaviour of the dentist (14,(26)(27)(28)(29), pain sensations (4,23,(30)(31)(32), and several other potentially fear-evoking aspects present in the dental practice (e.g. the smell, the dental personnel, and the chair; [23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39].…”