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Objectives <p>To investigate if photobiomodulation (PBM) can reduce dentin hypersensitivity (DH) through a randomized, controlled, double-blind clinical trial.</p> Materials and methods <p>One hundred and twelve patients experiencing DH after non-surgical scaling and root planing (SRP) were enrolled and divided into the Experimental Group - SRP + PBM (660&#xa0;nm, 1.061&#xa0;J/cm²) and the Control Group - SRP + PBM simulation. The primary outcome was the assessment of DH through tactile and thermal stimulation using the visual analog scale (VAS) after seven days. Additionally, paracetamol was prescribed and quantified as needed. Also, the impact of oral health on participants’ quality of life using the Oral Health Impact Profile (OHIP-14) questionnaire was applied. Outcome assessments occurred seven days and one-month post-application.</p> Results <p>In both 7 and 30 days, pain values were significantly lower in the experimental group compared to the control group (<i>P</i> = 0.001 and &lt; 0.001, respectively). No differences were observed between the groups regarding analgesic usage. The experimental group also showed a significant improvement in the impact of oral health on participants’ quality of life (<i>P</i> &lt; 0.001), with lower OHIP-14 scores at all time points (<i>P</i> = 0.008).</p> Conclusions <p>These results suggest that photobiomodulation significantly reduces pain at 7- and 30-days following scaling and root planing. Additionally, it is associated with improvements in the oral health-related quality of life in patients with dentin hypersensitivity.</p> Clinical trial registration <p>NCT05946265.</p>

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Effect of photobiomodulation on dentin hypersensitivity: a randomized controlled double-blind clinical trial

  • 期刊论文

  • 发表日期：

    2025年1月24日

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  • María Victoria García Olazabal,
  • Luis Eduardo Pascuali Moya,
  • Rolf Wilhem Consolandich Cirisola,
  • Laura Hermida Bruno,
  • Federico Todeschini Safi,
  • Ellen Sayuri Ando-Suguimoto,
  • Priscila Larcher Longo,
  • Cinthya Cosme Gutierrez Duran,
  • Sandra Kalil Bussadori,
  • Lara Jansiski Motta,
  • Kristianne Porta Santos Fernandes,
  • Raquel Agnelli Mesquita-Ferrari,
  • Anna Carolina Ratto Tempestini Horliana

摘要

Objectives

To investigate if photobiomodulation (PBM) can reduce dentin hypersensitivity (DH) through a randomized, controlled, double-blind clinical trial.

Materials and methods

One hundred and twelve patients experiencing DH after non-surgical scaling and root planing (SRP) were enrolled and divided into the Experimental Group - SRP + PBM (660 nm, 1.061 J/cm²) and the Control Group - SRP + PBM simulation. The primary outcome was the assessment of DH through tactile and thermal stimulation using the visual analog scale (VAS) after seven days. Additionally, paracetamol was prescribed and quantified as needed. Also, the impact of oral health on participants’ quality of life using the Oral Health Impact Profile (OHIP-14) questionnaire was applied. Outcome assessments occurred seven days and one-month post-application.

Results

In both 7 and 30 days, pain values were significantly lower in the experimental group compared to the control group (P = 0.001 and < 0.001, respectively). No differences were observed between the groups regarding analgesic usage. The experimental group also showed a significant improvement in the impact of oral health on participants’ quality of life (P < 0.001), with lower OHIP-14 scores at all time points (P = 0.008).

Conclusions

These results suggest that photobiomodulation significantly reduces pain at 7- and 30-days following scaling and root planing. Additionally, it is associated with improvements in the oral health-related quality of life in patients with dentin hypersensitivity.

Clinical trial registration

NCT05946265.