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Purpose <p>To present conventional treatment protocols combined with photobiomodulation (PBM) to manage the effects of sodium hypochlorite (NaOCl) extrusion.</p> Materials and methods <p>A 56-year-old patient experienced abrupt pain, intracanal bleeding, extraoral inflammation and ecchymosis in the surrounding tissues after the extrusion of NaOCl of the apical foramen. The standard procedure for treating NaOCl accidents was followed along with PBM with a 976&#xa0;nm laser at the periapical level, lymph node draining using the same wavelength, and intravascular laser irradiation of blood technique (650&#xa0;nm wavelength).</p> Results <p>An eight-day procedure follow-up, clinical and radiographic controls were carried out. Complete resolution of pain, inflammation, and adequate healing occurred, setting the path for the definitive endodontic treatment to be performed. The endodontic treatment was further supported by 976&#xa0;nm laser therapy, assisting the root canal disinfection. A one-year follow-up was conducted to observe normal tissue repair, employing a tomography and a clinical examination.</p> Conclusions <p>According to the application protocols described in this case report, PBM with laser may be implemented as an adjuvant tool for the NaOCl extrusion approach, decreasing the pain and inflammation, and promoting quicker tissue healing compared to the traditional management protocol, without raising any risks to the patient.</p>

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Sodium hypochlorite accident approach with photobiomodulation during an endodontic procedure: a case report

  • 期刊论文

  • 发表日期：

    2025年7月21日

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  • Johanna Hernandez La Rotta,
  • Marggie Grajales

摘要

Purpose

To present conventional treatment protocols combined with photobiomodulation (PBM) to manage the effects of sodium hypochlorite (NaOCl) extrusion.

Materials and methods

A 56-year-old patient experienced abrupt pain, intracanal bleeding, extraoral inflammation and ecchymosis in the surrounding tissues after the extrusion of NaOCl of the apical foramen. The standard procedure for treating NaOCl accidents was followed along with PBM with a 976 nm laser at the periapical level, lymph node draining using the same wavelength, and intravascular laser irradiation of blood technique (650 nm wavelength).

Results

An eight-day procedure follow-up, clinical and radiographic controls were carried out. Complete resolution of pain, inflammation, and adequate healing occurred, setting the path for the definitive endodontic treatment to be performed. The endodontic treatment was further supported by 976 nm laser therapy, assisting the root canal disinfection. A one-year follow-up was conducted to observe normal tissue repair, employing a tomography and a clinical examination.

Conclusions

According to the application protocols described in this case report, PBM with laser may be implemented as an adjuvant tool for the NaOCl extrusion approach, decreasing the pain and inflammation, and promoting quicker tissue healing compared to the traditional management protocol, without raising any risks to the patient.