Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

163 questions · 171 findings · 22 reviews

No studies found 46 · 26.9%GRADE not reported 13 · 7.6%Very low 39 · 22.8%Low 59 · 34.5%Moderate 14 · 8.2%High 0 · 0%

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

Patient-reported altered sensation (spontaneous or evoked: anaesthesia/paraesthesia/dysaesthesia/hyperalgesia/allodynia) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

It is very uncertain whether low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… changes patient-reported altered sensation (spontaneous or evoked:… compared with placebo (sham) laser therapy (very low certainty).

2 findings from 1 review

Direct composite resin restoration vs Full-coverage metal-ceramic crown

Clinical failure (post dislodgement) · Participants with endodontically-treated permanent premolars restored with a carbon-fibre post (Category III)

Direct composite restoration (final restoration) showed no clear difference in clinical failure (post dislodgement) compared with full-coverage metal-ceramic crown; GRADE not reported.

1 finding from 1 review