Adjunctive Low-Level Laser Therapy fails to reduce Postoperative Pain in irreversible pulpitis: Study
Researchers have found in a pragmatic emergency-care study that adjunctive low-level laser therapy did not demonstrate a reduction in postoperative pain in permanent teeth with symptomatic irreversible pulpitis.
A study was done to evaluate postoperative pain following emergency pulpectomy in permanent teeth diagnosed with symptomatic irreversible pulpitis and to compare outcomes with or without adjunctive low-level laser therapy (LLLT). This parallel, randomized, single-blind clinical trial included 70 patients with permanent teeth diagnosed with symptomatic irreversible pulpitis. Patients were randomly assigned to two groups (n = 35 each): the experimental group received gallium-aluminum-arsenide laser therapy (808 nm, 100 mW), while the control group received no laser intervention. Postoperative pain was assessed using the Numerical Rating Scale (NRS-10) and the Visual Analogue Scale (VAS). Bite sensitivity was evaluated before and after emergency treatment. Demographic characteristics and analgesic intake were recorded.
Reference:
Freitas-Júnior, Sérgio Alves Guida, et al. "Postoperative Pain After Emergency Pulpectomy With or Without Photobiomodulation in Symptomatic Irreversible Pulpitis a Randomized Clinical Trial." Scientific Reports, 2026.
Keywords:
Adjunctive, Low-Level, Laser Therapy, fails, reduce, Postoperative Pain, irreversible pulpitis, Study,Freitas-Júnior, Sérgio Alves Guida
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