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Objectives: The aim of the current study was to compare urinary cotinine levels, nicotine dependence and physical effects related to smoking in smokers before and after laser auricular acupuncture, psychological counselling and a combination of laser treatment with counselling. Methods: This study was carried out from February to July 2019 in India. A total of 60 smokers were randomly allocated to three interventional groups. Urinary cotinine levels, nicotine dependence and physical effects due to smoking were evaluated using NicAlert strips (Nymox Pharmaceutical Corp., Quebec, Canada) the Fagerström questionnaire and a visual analogue scale, respectively, at baseline and one month post-intervention. Pearson’s chi-square, Kruskal Wallis analysis of variance and Wilcoxon sign rank tests were used for statistical analyses. Results: There was a significant reduction in urinary cotinine levels and nicotine dependence and significant improvement in behaviour and physical effects related to smoking in all groups post-intervention (P <0.05). Reduction in nicotine dependence was significantly higher in the laser group (4.4 ± 1.66) compared to other groups (P <0.01). Reduction in urinary cotinine levels was highest in the laser with counselling group (0.85 ± 0.3) compared to the other groups. There was a significant reduction in irritability, headache, craving for smoking, tiredness and anxiety as well as a substantial increase in calmness, unpleasant taste of smoking, the ability to concentrate and appetite in the laser auricular acupuncture group compared to the other groups (P <0.01) Conclusion: Laser auricular acupuncture alone and in combination with psychological counselling can reduce nicotine dependence among smokers. Keywords: Auricular Acupuncture; Laser; Nicotine; Tobacco Dependence; India.

A bstract Aim and background This systematic review aimed to investigate the efficacy of laser photobiomodulation (PBM) on the acceleration of orthodontic tooth movement (OTM). Review methods The study protocol was registered at PROSPERO (CRD42019121465). An extensive electronic search for randomized control trials and clinical control trials via Medline (via PubMed), The Cochrane Controlled Clinical Trials Register, and Scopus up to date 24/02/2019 was done. Hand searching was performed for relevant journals. Reference articles were retrieved and exported to Mendeley Desktop 1.13.3 software. The risk of bias was assessed using the Cochrane risk of the bias assessment tool. Articles were further analyzed using Revman5.3 software. Results A total of 14 articles were considered for systematic review and 9 articles were considered for meta-analysis. The results of the meta-analysis showed a significant difference between the laser group and conventional orthodontic treatment with Forest plots showing more tooth movement in the laser group compared to the control group in 2–3 months (mean difference = 1.73; CI: 0.9–2.57; p = 0.00001; I 2 = 89 %). Conclusion Although the analysis of the results shows that laser PBM favors OTM, the results are inconclusive as the heterogeneity across studies was high. Clinical significance Laser PBM may be considered as novel, safe, and noninvasive adjuvant therapy for the acceleration of OTM in children. How to cite this article Yavagal CM, Matondkar SP, Yavagal PC. Efficacy of Laser Photobiomodulation in Accelerating Orthodontic Tooth Movement in Children: A Systematic Review with Meta-analysis. Int J Clin Pediatr Dent 2021;14(S-1):S94–S100.