ArticleCureus2025
Impact of Visual and Auditory Relaxation Techniques on Autonomic Responses During Dental Procedures: A Randomized Controlled Trial.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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Abstract
introductionRelaxation methods for managing anxiety can help overcome and prevent dental treatment phobia. We investigated the effects of relaxation techniques targeting visual and auditory domains, which remain understudied, on dental treatment-related stress.
methodsThirty adult volunteers with dental anxiety were enrolled in a randomized, open-label, four-sequence, four-period crossover study evaluating the effects of the following interventions: wearing a hot eye mask with a heat- and steam-generating (HSG) sheet, wearing an inactivated HSG sheet, listening to nature sounds, and wearing noise-cancelling headphones. Interventions were separated by a washout period of at least two weeks to mitigate carry-over effects. Participants' physiological parameters (autonomic nervous system function variables, skin conductance, and respiratory rate [RR] during dental treatment) were continuously monitored. The impact of these interventions on stress reduction was assessed.
resultsApplication of a hot eye mask with an HSG sheet to the eye area reduced heart rate (HR) and increased the high-frequency component of HR variability (HRV) and skin conductance, indicating enhanced parasympathetic activity. Conversely, applying the inactivated HSG sheet tended to increase HR and low-frequency/high-frequency HRV ratios. Listening to nature sounds decreased RR and skin conductance and increased the high-frequency HRV component. Wearing noise-cancelling headphones increased the RR and decreased the high-frequency component of HRV.
conclusionsApplying a hot eye mask with an HSG sheet and listening to nature sounds potentially reduced stress. However, applying an inactivated HSG sheet and using noise-cancelling headphones promoted sympathetic activity. Further research should subdivide anxiety scales and explore relaxation methods tailored to specific anxiety triggers.
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