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Aim <p>The current study evaluates the effectiveness of low level laser therapy (LLLT) in intra-bony defect regeneration, by comparing the clinical, radiographic and molecular parameters between periodontitis patients with intra-bony defects treated with simplified papilla preservation flap(SPPF) alone and SPPF with adjunctive use of LLLT.</p> Methodology <p>The current study is a randomized controlled clinical trial involving 64 sites, 32 sites treated with SPPF- control group and 32 sites treated with SPPF and adjunctive use of LLLT(SPPF + LLLT)– test group. Clinical parameters were evaluated at baseline, 6 months and 1 year post surgery. Radiographic defect depths were evaluated at baseline and 1 year post surgery. Molecular parameters– RUNX2, BMP-2, osteopontin and COL-1 are evaluated at 3, 7 and 14 days. The results were statistically analysed.</p> Results <p>There was a statistically significant reduction in clinical parameters and radiographic defect depth seen in test group at the 6 months and one year post surgery when compared with control group (<i>P</i> &lt; 0.05). In addition, the total number of sites with probing pocket depth more than 4&#xa0;mm has reduced significantly in test group when compared to control group at 6 months and one year. RUNX2, BMP-2 and COL − 1 were significantly elevated in test group.</p> Conclusion <p>The current study reports a significant improvement of clinical, radiographic and molecular parameters of intra-bony defect sites in periodontitis patients treated with SPPF + LLLT when compared to SPPF alone.</p>

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Clinical, radiographic and molecular efficacy of LLLT along with minimally invasive flaps in regeneration of periodontal intrabony defects: a randomized controlled clinical trial

  • 期刊论文

  • 发表日期：

    2025年8月12日

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  • Prakash PSG,
  • Kavitha Sanjeev,
  • Sangeetha Subramanian,
  • Abirami Thanigaimalai,
  • Devapriya Appukuttan

摘要

Aim

The current study evaluates the effectiveness of low level laser therapy (LLLT) in intra-bony defect regeneration, by comparing the clinical, radiographic and molecular parameters between periodontitis patients with intra-bony defects treated with simplified papilla preservation flap(SPPF) alone and SPPF with adjunctive use of LLLT.

Methodology

The current study is a randomized controlled clinical trial involving 64 sites, 32 sites treated with SPPF- control group and 32 sites treated with SPPF and adjunctive use of LLLT(SPPF + LLLT)– test group. Clinical parameters were evaluated at baseline, 6 months and 1 year post surgery. Radiographic defect depths were evaluated at baseline and 1 year post surgery. Molecular parameters– RUNX2, BMP-2, osteopontin and COL-1 are evaluated at 3, 7 and 14 days. The results were statistically analysed.

Results

There was a statistically significant reduction in clinical parameters and radiographic defect depth seen in test group at the 6 months and one year post surgery when compared with control group (P < 0.05). In addition, the total number of sites with probing pocket depth more than 4 mm has reduced significantly in test group when compared to control group at 6 months and one year. RUNX2, BMP-2 and COL − 1 were significantly elevated in test group.

Conclusion

The current study reports a significant improvement of clinical, radiographic and molecular parameters of intra-bony defect sites in periodontitis patients treated with SPPF + LLLT when compared to SPPF alone.