The Effect of Mixture of Tannic Acid and Elaeagnus Angustifolia with Psychological Intervention

Many dental procedures can induce gag reflex. So far, research aimed at reducing this reflex has shown limited effectiveness, required significant time, or involved invasive techniques. In previous studies, the effect of tanic acid and Elaeagnus angustifolia on the reduction of gag reflex has been confirmed. This study investigates the combined effect of synergistic tannic acid and Elaeagnus angustifolia in the form of a patch, along with psychological intervention, for reducing the gag reflex.

In this clinical study, 128 samples were selected in an easy improbable manner and were selected from Isfahan Dental School ‘patients. the subjects were divided into 4 groups: the mucosal patch group, the psychological intervention group, the combined mucosal patch and psychological intervention group, and the control group receiving the placebo. Data were collected and analyzed by Chi-square and McNamara statistical tests.

The Kruskal-Wallis test revealed a significant difference in the mean changes in gag reflex scores among the 4 groups (p value < 0.001). Further analysis using the Mann-Whitney test demonstrated a significant difference between the patch group and the psychology group.

In the group receiving mucosal patch containing tannic acid and Elaeagnaceae with psychological intervention, the most effect was observed on the reduction of gag reflex.