Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

164 questions · 176 findings · 17 reviews

No studies found 48 · 27.3%GRADE not reported 21 · 11.9%Very low 87 · 49.4%Low 16 · 9.1%Moderate 4 · 2.3%High 0 · 0%

Low‐level laser therapy vs Placebo (sham) laser therapy

Mucositis severity (mild to moderate) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Low level laser therapy led to higher mucositis severity (mild to moderate) compared with sham (placebo) laser treatment; GRADE not reported.

1 finding from 1 review