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

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

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

Somatosensory evoked potentials · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

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

Mechanosensory perception (load in grams to elicit sensation; Semmes Weinstein monofilaments) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… led to higher mechanosensory perception (load in grams to elicit sensation; Semmes… compared with placebo (sham) laser therapy; GRADE not reported.

1 finding from 1 review

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

Thermosensory (thermal) perception · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… showed no clear difference in thermosensory (thermal) perception compared with placebo (sham) laser therapy; GRADE not reported.

1 finding from 1 review

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

Patient satisfaction · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

Low‐level laser therapy vs Conventional orthodontic appliance treatment

Rate of orthodontic tooth movement during space closure stage (maxillary arch), mm/month · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

It is very uncertain whether low level laser therapy (LLLT) changes rate of orthodontic tooth movement during space closure stage… compared with conventional orthodontic appliance treatment (very low certainty).

1 finding from 1 review

Low‐level laser therapy vs Conventional orthodontic appliance treatment

Side effects or other adverse events · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review

Low‐level laser therapy vs Conventional orthodontic appliance treatment

Periodontal health during molar intrusion · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review

Low‐level laser therapy vs Conventional orthodontic appliance treatment

Total number of orthodontic appliance adjustment appointments during alignment stage · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

It is very uncertain whether low level laser therapy (LLLT) changes total number of orthodontic appliance adjustment appointments during… compared with conventional orthodontic appliance treatment (very low certainty).

1 finding from 1 review