ABSTRACT Background: Anxiety is a condition characterized by strong fear, followed by somatic symptoms that indicate a hyperactive autonomic nervous system. This is a type of emotional disorder that is associated with unexpected and considereddangerous situations. The anxiety of pediatric patients will reduce the treatment success rate. Reducing the anxiety of pediatric patients is very important to increase thetreatment success rate. Purpose: The purpose of this study was to analyze the effect of sandalwood aromatherapy and bossa nova music on the anxiety levels of pediatric patients undergoing dental treatment. Methods: This research was conducted in four groups with four different treatments: the control group, the sandalwood aromatherapy group, the bossa nova music group, and the combination group. Each group consisted of 26 subjects. All 104 patients were treated with topical fluoride treatment for the first time. Blood pressure and pulse measurements asindicators of anxiety were performed twice on each sample, before treatment and after treatment. Blood pressure and pulse were measured with a digital sphygmomanometer. Results: There was a significant enhancement in the difference in blood pressure and pulse in the control group and a significant reduction in the difference in blood pressure and pulse in the other group (p <0.05).Conclusion: Sandalwood aromatherapy and bossa nova music can reduce anxiety levelsin pediatric patients undergoing dental treatment, with the largest reduction in anxiety levels in the group treated with a combination of sandalwood aromatherapy and bossa nova music.