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Evidence found and GRADE certainty

338 questions · 369 findings · 33 reviews

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No studies found 91 · 24.7%GRADE not reported 68 · 18.4%Very low 125 · 33.9%Low 49 · 13.3%Moderate 32 · 8.7%High 4 · 1.1%

Laser therapy vs other treatments

Incidence and severity of treatment‐related adverse effects ‐ 585‐nm PDL versus TAC plus 5‐FU ‐ purpura ‐ hypertrophic and keloid scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ 585‐nm… compared with other treatments (very low certainty).

1 finding from 1 review

Laser therapy vs other treatments

Incidence and severity of treatment‐related adverse effects ‐ 585‐nm PDL versus silicone gel sheeting ‐ skin irritation ‐ hypertrophic scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ 585‐nm… compared with other treatments (very low certainty).

1 finding from 1 review

Laser therapy vs no treatment

Incidence and severity of treatment‐related adverse effects ‐ 585‐nm PDL versus no treatment ‐ purpura ‐ hypertrophic and keloid scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ 585‐nm… compared with no treatment (very low certainty).

1 finding from 1 review

Laser therapy vs no treatment

Scar severity ‐ NAFL versus no treatment ‐ patient global assessment measured on a VAS ranging from 0 to 100 mm (0 = as normal skin and 100 = worst possible scar) ‐ hypertrophic scars ‐ · participants with hypertrophic and keloid scars
1 finding from 1 review

Laser therapy vs no treatment

Incidence and severity of treatment‐related adverse effects ‐ NAFL versus no treatment ‐ scar worsening ‐ hypertrophic scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ NAFL… compared with no treatment (very low certainty).

1 finding from 1 review

Laser therapy vs no treatment

Incidence and severity of treatment‐related adverse effects ‐ NAFL versus no treatment ‐ hyperpigmentation ‐ hypertrophic scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ NAFL… compared with no treatment (very low certainty).

1 finding from 1 review

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

Low‐level laser therapy vs Low-level laser therapy (LLLT) + calcium hydroxide

Radiological failure · Children with extensive decay involving the dental pulp in primary teeth

Low-level laser therapy (LLLT) showed no clear difference in radiological failure compared with low-level laser therapy (LLLT) + calcium hydroxide; GRADE not reported.

1 finding from 1 review

In-office laser therapy (all types combined) vs Placebo (placebo laser or placebo agent) or no treatment

Changes in intensity of pain (VAS 0 to 10) tested through air blast stimuli · Patients aged above 12 years with self-reported tooth hypersensitivity confirmed on clinical evaluation

It is very uncertain whether in-office laser therapy (all types combined) changes changes in intensity of pain (VAS 0 to 10) tested through air blast… compared with placebo (placebo laser or placebo agent) or no treatment (very low certainty).

3 findings from 1 review

In-office laser therapy (all types combined) vs Placebo (placebo laser or placebo agent) or no treatment

Adverse events · Patients aged above 12 years with self-reported tooth hypersensitivity confirmed on clinical evaluation
2 findings from 1 review

In-office laser therapy (all types combined) vs Placebo (placebo laser or placebo agent) or no treatment

Changes in intensity of pain (VAS 0 to 10) tested through tactile stimuli · Patients aged above 12 years with self-reported tooth hypersensitivity confirmed on clinical evaluation

It is very uncertain whether in-office laser therapy (all types combined) changes changes in intensity of pain (VAS 0 to 10) tested through tactile… compared with placebo (placebo laser or placebo agent) or no treatment (very low certainty).

3 findings from 1 review

Low‐level laser therapy vs Control (no laser device used)

Maximum pain (verbal rating scale, VRS) · People requiring retreatment of periapical lesions (failed root canal therapy)

It is very uncertain whether low energy level laser therapy (LLLT) changes maximum pain (verbal rating scale, VRS) compared with control (no laser device used) (very low certainty).

1 finding from 1 review