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
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth
1 finding from 1 review
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
Maximum pain (verbal rating scale, VRS) · People requiring retreatment of periapical lesions (failed root canal therapy)
1 finding from 1 review
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
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
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
Difficulty speaking · 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
Difficulty eating · 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
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
Quality of life · 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
Adverse events · 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
Pain · 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
Taste · 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
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
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
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
Side effects or other adverse events · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review
Periodontal health during molar intrusion · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review
Abellan 2021 assessed periodontal health (plaque index, pocket depth, bleeding on probing) after intrusion of maxillary molars; no evidence of significant difference with LLLT. Statistical test results not published.
1 study
GRADE not reported
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