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Purpose <p>Bone resorption in the posterior mandible can lead to a reduction in bone height and width, posing challenges for the insertion of implants in these areas, mainly due to the proximity of the mandibular canal and the inferior alveolar nerve. Inferior alveolar nerve lateralization (IANL) has gained popularity as a viable alternative to bone grafting or short implants in atrophic posterior mandibles. However, because this technique involves nerve manipulation, it can lead to neurosensory disturbances. While these complications may improve spontaneously, recovery of nerve function can be prolonged in elderly patients and, in some cases, may be irreversible. Therefore, adjunctive treatments are necessary to accelerate nerve regeneration and reduce the time required for neurosensory recovery.</p> Methods <p>In this case, we treated a 65-year-old female patient who presented with significant vertical and horizontal bone loss in the mandible. Following the IANL and immediate implant placement, we implemented photobiomodulation therapy (GaAlAs diode laser, 810&#xa0;nm, 12–14&#xa0;J/cm², 60&#xa0;s per point, 12 sessions [three times per week, for 4 weeks]) to mitigate neurosensory disturbances.</p> Results <p>Her paresthesia completely resolved within six weeks as confirmed by two-point discrimination and light touch sensation tests. After a two-year follow-up, the patient reported no neurosensory issues in the chin and lower lip and exhibited normal sensation in these regions.</p> Conclusion <p>This report suggests that photobiomodulation therapy may be a valuable adjunct to promote neurosensory recovery, especially in elderly patients with age-related limitations in nerve regeneration.</p>

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Adjunctive photobiomodulation for neurosensory recovery after inferior alveolar nerve lateralization: a case report in an elderly patient

  • 期刊论文

  • 发表日期：

    2025年8月29日

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  • Nariman Nikparto,
  • Rashin Bahrami

摘要

Purpose

Bone resorption in the posterior mandible can lead to a reduction in bone height and width, posing challenges for the insertion of implants in these areas, mainly due to the proximity of the mandibular canal and the inferior alveolar nerve. Inferior alveolar nerve lateralization (IANL) has gained popularity as a viable alternative to bone grafting or short implants in atrophic posterior mandibles. However, because this technique involves nerve manipulation, it can lead to neurosensory disturbances. While these complications may improve spontaneously, recovery of nerve function can be prolonged in elderly patients and, in some cases, may be irreversible. Therefore, adjunctive treatments are necessary to accelerate nerve regeneration and reduce the time required for neurosensory recovery.

Methods

In this case, we treated a 65-year-old female patient who presented with significant vertical and horizontal bone loss in the mandible. Following the IANL and immediate implant placement, we implemented photobiomodulation therapy (GaAlAs diode laser, 810 nm, 12–14 J/cm², 60 s per point, 12 sessions [three times per week, for 4 weeks]) to mitigate neurosensory disturbances.

Results

Her paresthesia completely resolved within six weeks as confirmed by two-point discrimination and light touch sensation tests. After a two-year follow-up, the patient reported no neurosensory issues in the chin and lower lip and exhibited normal sensation in these regions.

Conclusion

This report suggests that photobiomodulation therapy may be a valuable adjunct to promote neurosensory recovery, especially in elderly patients with age-related limitations in nerve regeneration.