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What do systematic reviews say?

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Evidence found and GRADE certainty

3 questions · 4 findings · 2 reviews · All outcomes

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No studies found 0 · 0%GRADE not reported 1 · 25%Very low 3 · 75%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Photodynamic therapy plus mechanical debridement vs Mechanical debridement alone

Probing pocket depth · Adults treated for periodontitis and receiving supportive periodontal therapy (SPT)

It is very uncertain whether photodynamic therapy plus mechanical debridement changes probing pocket depth (mm) compared with mechanical debridement alone (very low certainty).

1 finding from 1 review

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after subgingival instrumentation (SI) vs Subgingival instrumentation (SI) alone (hand or power-driven, or both), or SI plus placebo/sham aPDT

Change in probing pocket depth (PPD) · Adults (> 18 years) with recurrent periodontitis, receiving supportive (maintenance) periodontal care

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after… showed no clear difference in change in probing pocket depth (PPD) compared with subgingival instrumentation (SI) alone (hand or power-driven, or…; GRADE not reported.

2 findings from 1 review

SPT performed by non-specialist clinicians (general dental practitioners under specialist prescription) vs SPT performed by specialists (specialist practice)

Probing pocket depth · Adults treated for periodontitis and receiving supportive periodontal therapy (SPT)

It is very uncertain whether SPT performed by non-specialist clinicians (general dental… changes probing pocket depth (mm) compared with SPT performed by specialists (specialist practice) (very low certainty).

1 finding from 1 review