CASE REPORT


Two-year Follow-up of Avulsed Teeth Submittted to Laser Therapies: A Case Report



Flavia Monari Belmonte1, *, Luciane Hiramatsu Azevedo1, Emilio Carlos Paschoal2, Celso Luiz Caldeira2, Patricia Moreira de Freitas1
1 Special Laboratory of Lasers in Dentistry, Department of Operative Dentistry, School of Dentistry, University of São Paulo; São Paulo, Brazil
2 Department of Operative Dentistry, School of Dentistry, University of São Paulo, São Paulo, Brazil


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Creative Commons License
© 2022 Belmonte et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Special Laboratory of Lasers in Dentistry, Department of Operative Dentistry, School of Dentistry, University of São Paulo; São Paulo, Brazil; E-mail: flaviabelmonte@usp.br


Abstract

Background:

Replanted teeth can lead to critical biological conditions involving ankylosis and external root resorption. To prevent these occurrences, antimicrobial Photodynamic Therapy (aPDT) and Photobiomodulation Therapy (PBMT) can be used during the postoperative phase.

Case Report:

The present report described the clinical case of a patient, an adult male with the avulsion of teeth #11 and #21. Teeth were stored under dry conditions and replanted 18h after trauma. The pulp was removed before replantation and aPDT was performed using a low power laser (660 nm,100 mW, 9 J) in direct irradiation of the root canal. A passive flexible splint was fixed in place from tooth #13 to #23 for 4 weeks. The PBMT was applied three times a week, for the first 2 months, using the same laser device but with an infrared wavelength (808 nm, 100 mW, 3J). Clinical and radiographic examination supported the assessment of inflammatory/infectious resorption.

Conclusion:

The combination of laser therapy with endodontic procedures for treating traumatized teeth ensured successful clinical and radiographic outcomes at a 2-year follow-up examination.

Keywords: Avulsion, Root resorption, Photodynamic therapy, Photobiomodulation therapy, Case report, Dental injuries.