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The Effectiveness of Photobiomodulation Using 940-nm Diode Laser for Reducing Pain, Swelling and Trismus After Third Molar Surgery: A Single-Blinded Randomized Control Trial

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Abstract

Objectives

Although extraction of impacted third molars is the most commonly done procedure in Oral and Maxillofacial Surgery, it is followed by postoperative sequalae; like pain, trismus and oedema which affect the patients’ quality of life. The aim of the study was to determine the advantages of using photobiomodulation therapy using 940 nm diode laser after third molar surgery. The null hypothesis was photobiomodulation using 940-nm diode laser has no effect on pain, swelling and trismus after third molar surgery.

Methods

A total of 32 patients requiring extraction of impacted third molars reporting to Department of Oral and Maxillofacial Surgery, KLE VK Institute of Dental Sciences were randomly allocated to study and control group. Only the patients in the study group were given photobiomodulation therapy at four extraoral and four intraoral points preoperatively, postoperatively and two days after the procedure.

Results

The patients in the study group reported less pain. The mouth opening improved on the second post-operative day as compared to the improvement on the seventh post-operative day in the control group. The difference in swelling though clinically evident was not significant statistically.

Conclusion

Photobiomodulation is a promising modality to reduce the post-operative pain and trismus. Patients in the study group returned to normal function sooner than the control group. Photobiomodulation is a newer non-invasive modality to reduce the post-operative sequalae after third molar surgery.

Clinical Trial Registration: The trial is registered at ctri.nic.in with the number CTRI/2022/02/040615 on 25th February 2022.

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Funding

This study was self-funded.

Author information

Authors and Affiliations

  1. Department of Oral and Maxillofacial Surgery, KLE VK Institute of Dental Sciences, Belagavi, Karnataka, 590010, India

    Radhika Pathak, Tejraj P. Kale, Akanksha Garg & Ayushi Srivastava

  2. Department of Periodontology, KLE VK Institute of Dental Sciences, Belagavi, Karnataka, India

    Vilas Pattar

Authors
  1. Radhika Pathak
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  2. Tejraj P. Kale
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  3. Vilas Pattar
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  4. Akanksha Garg
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  5. Ayushi Srivastava
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Contributions

Conceptualization was performed by TK, RP and VP; methodology provided by RP, VP, AG and AS; formal analysis and investigation were conducted by TK, RP, VP, AG and AS; writing—original draft preparation was drafted by RP, AG and AS; writing—review and editing were prepared by TK and VP; resources were provided by VP and TK; supervision was conducted by TK and VP. The final version of this manuscript has been approved by all authors.

Corresponding author

Correspondence to Tejraj P. Kale.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical Approval

All procedures performed were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Ethical Committee of the KLE VK Institute of Dental Sciences, Belagavi (SNO. 1340, Research and Ethics Committee, KLE VK Institute of Dental Sciences).

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Informed written consent was obtained from all participants included in the study.

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Consent to publish was also obtained from the participants in the study.

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Pathak, R., Kale, T.P., Pattar, V. et al. The Effectiveness of Photobiomodulation Using 940-nm Diode Laser for Reducing Pain, Swelling and Trismus After Third Molar Surgery: A Single-Blinded Randomized Control Trial. J. Maxillofac. Oral Surg. (2024). https://doi.org/10.1007/s12663-023-02104-1

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  • DOI: https://doi.org/10.1007/s12663-023-02104-1

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