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Objectives <p>To evaluate the adjunctive effect of diode laser (DL; 660–980&#xa0;nm) therapy with scaling and root planing (SRP) on probing-depth (PD) reduction and clinical attachment level (CAL) gain in chronic periodontitis.</p> Methods <p>An umbrella review of seven systematic reviews (total <i>n</i> ≈ 1 040 patients) with meta-analyses was performed. We included only reviews containing ≥ 1 randomized controlled trial using DL (660–980&#xa0;nm) adjunctive to SRP. Primary outcomes were PD reduction and CAL gain at 3- and 6-month follow-ups. Pooled mean differences (MD) and 95% confidence intervals (CI) were calculated using random-effects models; heterogeneity was assessed via I².</p> Results <p>Seven reviews comprising 19 individual RCTs met our criteria. At 3 months, DL + SRP reduced PD by MD = − 0.30&#xa0;mm (95% CI − 0.36 to − 0.24; <i>p</i> &lt; 0.0001; I² = 67%) and improved CAL by MD = − 0.35&#xa0;mm (95% CI − 0.44 to − 0.26; <i>p</i> &lt; 0.0001; I² = 67%). At 6 months, PD reduction was MD = − 0.32&#xa0;mm (95% CI − 0.40 to − 0.25; <i>p</i> &lt; 0.0001; I² = 32%) and CAL gain was MD = − 0.12&#xa0;mm (95% CI − 0.20 to − 0.04; <i>p</i> = 0.004; I² = 78%).</p> Conclusion <p>Adjunctive DL therapy (660–980&#xa0;nm) with SRP yields modest but statistically significant improvements in PD and CAL up to 6 months. These results support DL as a valuable adjunct in non-surgical periodontal therapy, particularly for cases with residual deep pockets.</p>

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Diode laser and nonsurgical periodontal treatment: an umbrella review with meta-analysis

  • 期刊论文

  • 发表日期：

    2025年7月31日

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  • Ahmad Al Malak,
  • Yasmina El Masri,
  • Mohammad Hassoun,
  • Mansour Chantiri,
  • Jean Nassar,
  • Nabih Nader,
  • Georges Aoun

摘要

Objectives

To evaluate the adjunctive effect of diode laser (DL; 660–980 nm) therapy with scaling and root planing (SRP) on probing-depth (PD) reduction and clinical attachment level (CAL) gain in chronic periodontitis.

Methods

An umbrella review of seven systematic reviews (total n ≈ 1 040 patients) with meta-analyses was performed. We included only reviews containing ≥ 1 randomized controlled trial using DL (660–980 nm) adjunctive to SRP. Primary outcomes were PD reduction and CAL gain at 3- and 6-month follow-ups. Pooled mean differences (MD) and 95% confidence intervals (CI) were calculated using random-effects models; heterogeneity was assessed via I².

Results

Seven reviews comprising 19 individual RCTs met our criteria. At 3 months, DL + SRP reduced PD by MD = − 0.30 mm (95% CI − 0.36 to − 0.24; p < 0.0001; I² = 67%) and improved CAL by MD = − 0.35 mm (95% CI − 0.44 to − 0.26; p < 0.0001; I² = 67%). At 6 months, PD reduction was MD = − 0.32 mm (95% CI − 0.40 to − 0.25; p < 0.0001; I² = 32%) and CAL gain was MD = − 0.12 mm (95% CI − 0.20 to − 0.04; p = 0.004; I² = 78%).

Conclusion

Adjunctive DL therapy (660–980 nm) with SRP yields modest but statistically significant improvements in PD and CAL up to 6 months. These results support DL as a valuable adjunct in non-surgical periodontal therapy, particularly for cases with residual deep pockets.