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Effectiveness of External Precooling and Vibration Induced by Buzzy on Pain and Anxiety During Inferior Alveolar Nerve Block Injection in Children Publisher



Narimany R1 ; Faghihian R2 ; Jafarzadeh Samani M2
Authors
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Authors Affiliations
  1. 1. School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Dental Research Center, Department of Pediatric Dentistry, Dental Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Source: International Journal of Dentistry Published:2024


Abstract

Purpose: Children's fear of the injection of local anesthetic agents affects their cooperation in pediatric dentistry. Different techniques are available to decrease the injection pain, including the use of precooling agents or vibrators. The present study investigated the effectiveness of Buzzy (Buzzy MMJ Labs, Atlanta, GA, USA). This device transfers cold and external vibration to the injection site during the inferior alveolar nerve block (IANB) injection.Materials and Methods: The present self-control, randomized, and double-blind clinical trial evaluated 30 children aged 6-12, who had bilateral mandibular permanent or primary carious molar teeth. On one side, the BUZZY was applied before and during the IANB injection, and the other side was considered as control. On both sides, a topical anesthetic gel was applied before injection. The pain severity and children's anxiety were determined using Wong-Baker, face, leg, activity, cry, consolability (FLACC) scales, and the heart rate.Results: The mean age of the participants was 7.18 ± 1.5 years, with 12 girls and 18 boys. The Wong-Baker scale and FLACC scale did not show any statistically significant difference between BUZZY and control (p value = 0.9 and 0.15, respectively). In addition, BUZZY tool did not significantly decrease pain and anxiety during injection, assessed through the heart rate difference (p=0.38).Conclusion: Under the limitations of the present study, a combination of precooling and vibration using the BUZZY device did not decrease pain and anxiety in children during the IANB injection. © 2024 Reyhane Narimany et al.
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