Table 1.

Seattle system diagnostic criteria for dental phobia

Fear type	Diagnostic Item	Classification of fear
Type 1	Fear of dental procedures	Simple conditioned phobia
Type 2	Fear of fainting, panic attack, heart attack	Fear of catastrophe
Type 3	Nervous person in general	Generalized anxiety
Type 4	Distrust of dentists	Fear of dentists
Subclass a		→High fear of dental procedures
Subclass b		→Generally anxious
Subclass c		→Fearful of dental catastrophes