Effectiveness of Buzzy BEE in Reducing Pain Perception During Inferior Alveolar Nerve Block in Children: A Split-Mouth Crossover Study

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Abstract
Background: The paediatric dentistry domain requires effective management of pain in children during invasive procedures such as the inferior alveolar nerve block (IANB). This study aimed to evaluate the effectiveness of Buzzy BEETM in reducing pain perception during IANB in children. Methods: This crossover study recruited 38 children aged 6–10 years scheduled for bilateral dental procedures requiring IANB. The washout period was 7 days, and two visits were scheduled for procedures on either side. Two randomly allocated groups received the study intervention, with each group receiving it alternately at each visit. Outcomes measured were pulse rate; subjective pain assessment using the Wong–Baker FACES Rating Scale (WBS); objective pain assessment using the Sound, Eyes and Motor (SEM) scale; and parental rating of observed pain on a scale of 1–10. Results: A statistically significant reduction in pulse rate after IANB was observed in the Buzzy BEE group at the first (p = 0.02) and second (p = 0.002) visits. At the second visit, the WBS scores (p < 0.001) and ‘eye’ (p = 0.004) and ‘motor’ (p = 0.002) scores on the SEM scale were significantly reduced in the Buzzy BEE group. The crossover analysis identified a significant treatment effect on pulse rate (p < 0.001) and significant carryover effects on WBS and SEM scores (p < 0.001). Conclusions: The use of Buzzy BEE reduced pulse rates during IANB, suggesting a positive impact on children’s anxiety. The carryover effects in the current study limit the consistency of improvements in subjective and objective pain perceptions. Further studies with a larger sample size and an extended washout period are recommended to evaluate the effectiveness of Buzzy BEE in reducing pain perception during IANB.

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