Journal of Isfahan Dental School

Evaluation the Vibratory Stimulation, Cooling and Topical Anesthesia Efficacy on Pain Due to Injection in Anterior Maxilla: A Randomized Clinical Trial

Document Type : مقاله‌های پژوهشی

Authors

1 Department of Endodontics, Dental Materials Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran

2 Department of Endodontics, Dental Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran

3 Post graduate student, Dental student’s research committee, Department of Periodontics, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran

4 Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran

Abstract

Introduction: Injections in dentistry are accompanied by pain, discomfort, and anxiety. Many interventions have been undertaken so far to reduce this discomfort. This study aimed to assess the effect of vibration, cold, and topical anesthesia on the reduction of pain experienced during infiltration injections in the anterior maxilla.
Materials and Methods: This study is a randomized clinical trial conducted in the summer of 2023 in the Endodontic department of the Faculty of Dentistry, Isfahan University of Medical Sciences, on 200 patients who needed root canal treatment of an upper maxillary tooth. Before the injection in the buccal vestibule area, in the first group cold, in the second group vibration, in the third group topical, anesthetic gel was placed, and in the fourth group (control) only the injection was done without intervention. The pain level experienced when the needle enters and during the injection of the anesthetic in the anterior region of the maxilla was recorded using the Visual Analog Scale (VAS). The data was analyzed using variance analysis and the Tukey tracking test (α = 0.05).
Results: Concerning needle insertion pain, superficial anesthesia gel and vibration have been equally effective in reducing pain in the front of the maxilla and are more effective compared to the cold and control groups (p value < 0.05). With pain during anesthesia injection, surface anesthetic gel had the lowest average pain score, followed by vibration and cold, and the control group had the lowest average pain score, respectively (p value < 0.05). No significant relationship was found between the pain score of needle insertion and anesthetic injection in the front of the maxilla and the gender of the patients (p value < 0.05).
Conclusion: The use of topical anesthesia and vibration devices is effective in reducing the pain of needle insertion and during injection in the infiltration of the anterior maxilla.
Keywords: Local Anesthesia; Pain; Topical; Anesthesia; Vibration

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Journal of Isfahan Dental School
Volume 20, Issue 4 - Serial Number 4
February 2025