Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

630 questions · 634 findings · 285 reviews

No studies found 316 · 49.8%GRADE not reported 40 · 6.3%Very low 95 · 15%Low 111 · 17.5%Moderate 60 · 9.5%High 12 · 1.9%

Low‐level laser therapy vs placebo

QoL · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether electromagnetic radiation (low-level laser therapy) changes change in quality of life (QoL) compared with placebo (very low certainty).

1 finding from 1 review