adult 2 female 2 galvanic skin response human 2 male 2 Adult 1 Dental Care 1 Dental Instruments 1 Dentistry 1 Female 1 Gagging 1 Humans 1 Male 1 Reproducibility of Results 1 Sex Characteristics 1 Young Adult 1 adverse device effect 1 article 1 controlled study 1 dental anxiety 1 dental device 1 dental impression technique 1 dental procedure 1 dentistry 1 electrodermal response 1 fear 1 foot 1 gastrointestinal symptom 1 heart rate 1 human experiment 1