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What do systematic reviews say?

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Evidence found and GRADE certainty

16 questions · 20 findings · 2 reviews

No studies found 9 · 45%GRADE not reported 4 · 20%Very low 0 · 0%Low 3 · 15%Moderate 4 · 20%High 0 · 0%

Low‐level laser therapy vs Placebo (or no irradiation)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults undergoing orthodontic treatment

Low‐level laser therapy (LLLT) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with placebo (or no irradiation); GRADE not reported.

5 findings from 1 review
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