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KJO Korean Journal of Orthodontics

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pISSN 2234-7518
eISSN 2005-372X
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Korean J Orthod

Published online February 1, 2021

Copyright © The Korean Association of Orthodontists.

Evaluation of the effectiveness of low-level laser therapy and chewing gum methods in reducing orthodontic pain: a randomized controlled trial

Fatih Celebi1; Ali Altug Bicakci2; Ufuk Kelesoglu3

1Associate Professor, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
2Professor and Department Chair, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
3Research Assistant, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey

Correspondence to:Dr. Fatih Celebi
Associate Professor, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, 60100 Tokat, Turkey.
Tel: 00 90 555 604 21 55
Fax: 00 90 356 212 42 25
E-mail: fatihcelebi5860@gmail.com

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective: The purpose of this study was to evaluate the pain-relief effects of chewing gum and low-level laser therapy in orthodontic pain induced by the initial archwire. Methods: Patients with three to-six-millimeter maxillary crowding who underwent non-extraction treatment were recruited for the study. The final 63 participants—33 females and 30 males— were randomly allocated into three groups: laser, chewing gum, and control. In the laser group, a gallium aluminum arsenide (GaAlAs) diode laser with a wavelength of 820 nm was applied one dose immediately after orthodontic treatment had begun. In the chewing gum group, sugar-free gum was chewed three times for 20 minutes—immediately after starting treatment, and at the twenty-fourth and forty-eighth hours of treatment. Pain perception was measured using a Visual Analog Scale at the second, sixth, and twenty-fourth hours, and on the second, third, and seventh days. Results: There were no statistically significant differences between the groups at any measured time points (p>0.05). The highest pain scores were detected at the twenty-fourth hour of treatment in all groups. Conclusions: Within the limitations of the study, we could not detect that low-level laser therapy and chewing gum had a clinically significant effect on orthodontic pain. Different results can be obtained with a higher number of participants or laser applications with different wavelengths and specifications. Although we did the study with a sufficient number of participants according to the statistical analysis, the higher number of participants could have provided more definitive outcomes.

Keywords: Chewing gum, Low-level laser therapy, Pain

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Korean J Orthod

Published online February 1, 2021

Copyright © The Korean Association of Orthodontists.

Evaluation of the effectiveness of low-level laser therapy and chewing gum methods in reducing orthodontic pain: a randomized controlled trial

Fatih Celebi1; Ali Altug Bicakci2; Ufuk Kelesoglu3

1Associate Professor, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
2Professor and Department Chair, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey
3Research Assistant, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, Tokat, Turkey

Correspondence to:Dr. Fatih Celebi
Associate Professor, Department of Orthodontics, Faculty of Dentistry, Tokat Gaziosmanpasa University, 60100 Tokat, Turkey.
Tel: 00 90 555 604 21 55
Fax: 00 90 356 212 42 25
E-mail: fatihcelebi5860@gmail.com

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective: The purpose of this study was to evaluate the pain-relief effects of chewing gum and low-level laser therapy in orthodontic pain induced by the initial archwire. Methods: Patients with three to-six-millimeter maxillary crowding who underwent non-extraction treatment were recruited for the study. The final 63 participants—33 females and 30 males— were randomly allocated into three groups: laser, chewing gum, and control. In the laser group, a gallium aluminum arsenide (GaAlAs) diode laser with a wavelength of 820 nm was applied one dose immediately after orthodontic treatment had begun. In the chewing gum group, sugar-free gum was chewed three times for 20 minutes—immediately after starting treatment, and at the twenty-fourth and forty-eighth hours of treatment. Pain perception was measured using a Visual Analog Scale at the second, sixth, and twenty-fourth hours, and on the second, third, and seventh days. Results: There were no statistically significant differences between the groups at any measured time points (p>0.05). The highest pain scores were detected at the twenty-fourth hour of treatment in all groups. Conclusions: Within the limitations of the study, we could not detect that low-level laser therapy and chewing gum had a clinically significant effect on orthodontic pain. Different results can be obtained with a higher number of participants or laser applications with different wavelengths and specifications. Although we did the study with a sufficient number of participants according to the statistical analysis, the higher number of participants could have provided more definitive outcomes.

Keywords: Chewing gum, Low-level laser therapy, Pain