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Effect of Pre-Cooling on Pain Associated With Dental Injections in Children: A Systematic Review Publisher Pubmed



Amrollahi N1 ; Rastghalam N2 ; Faghihian R1
Authors
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Authors Affiliations
  1. 1. Dental research center, Department of Pediatric Dentistry, Dental Research Institute, School of Dentistry, Isfahan University of Medical sciences, Isfahan, Iran
  2. 2. Dental student research committee, school of dentistry, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Evidence-Based Dental Practice Published:2021


Abstract

Objectives: Several methods, including cooling of the injection site, have been proposed for pain control during the dental local anesthetic injection. This systematic review aimed to evaluate the scientific evidence on the precooling of the injection site to reduce pediatric dental injection pain. Data Sources: The search terms were selected according to the Medical Subject Headings and non-Medical Subject Headings. The main keywords included dental injection, cooling, pain, and children. Potentially eligible studies involved the subjective or objective pain evaluation in children receiving any dental injection. Risk of bias assessment was carried out using the Cochrane risk of bias tool. An electronic search was carried out for published studies in the English language up to March 2020 on Scopus, Cochrane, and PubMed databases. Of 761 articles retrieved initially, 14 were eligible to be included in the systematic review, of which 6 articles were excluded. Regarding the type of intervention, 6 articles used cooling agents in the intervention group, and 2 studies used the Buzzy device (a combination of cold and vibratory stimuli). All studies included in the systematic review except one considered that the use of intra- or extra-oral cooling could reduce pain during anesthesia injections in children significantly. Conclusion: Overall, the evidence presented in this review was limited and had low quality. It may be concluded that application of cold agents before dental anesthesia can be more helpful than the traditional dental injection in reducing pain in children. Besides, the use of the Buzzy device showed promising results, as shown by 2 studies. © 2021
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