Interpretive bias modification in the treatment of dental phobia

INTERVENTION: The CBM‐I computerized training (also known as ¡®recognition task¡¯) consists of short scenarios of initially ambiguous dental situations. A word is left out of the final sentence of the scenario. In the positive CBM‐I group the missing word will give a positive meaning to the ambiguous situation, and participants are trained to make positive emotional interpretations. CONDITION: Dental phobia ; ; PRIMARY OUTCOME: ‐ DAS score (trait anxiety of dental treatment: Dental Anxiety Scale); ; ‐ Interpretive bias score (measured by the recognition task, see also: study procedures). ; SECONDARY OUTCOME: ‐ DPFR score (anticipation anxiety of dental treatment: the duration of ; psychophysiological reactions). ; ; ‐ K‐ATB score (trait anxiety of dental treatment: the short version of the Dental ; Anxiety Inventory) ; ; ‐ AS‐score (Visual analogue scale that indicates the overall anxiety level of dental ; treatment) ; ; ‐ The number of drop‐out during the research (specifically: after which time during a ; CBM‐I session and at which CBM‐I session). ; ; ‐ Reason for drop‐out. ; INCLUSION CRITERIA: ‐ Age ¡Ý18 yrs ‐ No mental disabilities ‐ Main diagnosis is dental phobia, if other diagnoses are also applicable, they may not interfere with the treatment ‐ Availability of a computer (PC, laptop, tablet or Smartphone) and access to the internet ‐ Basic internet skills ‐ Dutch reading abilities