Background: Cognitive behavioural techniques can decrease procedural pain and anxiety in children. Bubble breath exercise, a play therapy technique, may be used as a relaxation strategy to manage anxiety and pain. The objective of the study was to evaluate the effect of bubble breath exercise on dental anxiety, dental behaviour, and pain intensity during buccal infiltration of local anaesthetic in children. Study Design: This randomized controlled trial involved 66 children aged 7-11 years, randomly allocated to two groups: Group 1 (control) and Group 2 (intervention group). Group 2 was trained in bubble breath exercise. The reaction during buccal infiltration anaesthesia was recorded in terms of behaviour (Frankl's behaviour rating scale), anxiety (Facial Image Scale and pulse rate), and pain perception (Wong-Baker FACES pain rating scale and the Faces, Leg, Activity, Cry, and Consolability scale). Results: The bubble breath exercise significantly reduced the pain perceived, as measured by both the Wong-Baker FACES pain rating scale (P < 0.001) and the FLACC scale (P < 0.001). There was no statistically significant difference in dental anxiety and behaviour among the groups. Conclusion: Use of bubble breath exercise may be beneficial in decreasing the pain perceived during maxillary buccal infiltration anaesthesia in 7- to 11-year-old children.
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