Discomfort/pain · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether low level laser therapy (LLLT) changes patient perception of pain and discomfort (VAS 0 to 100 mm) compared with conventional orthodontic appliance treatment (very low certainty).
1 finding from 1 review
Duration of orthodontic treatment during alignment stage · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether low level laser therapy (LLLT) changes duration of orthodontic treatment during alignment stage compared with conventional orthodontic appliance treatment (very low certainty).
1 finding from 1 review
Patient-reported need for analgesics · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
The review found no eligible studies for this question.
1 finding from 1 review
Total number of orthodontic appliance adjustment appointments during treatment · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
The review found no eligible studies for this question.
1 finding from 1 review
Overall treatment time wearing orthodontic appliances · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
The review found no eligible studies for this question.
1 finding from 1 review
Orthodontic tooth movement (OTM) during alignment stage · 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 alignment stage… compared with conventional orthodontic appliance treatment (very low certainty).
1 finding from 1 review
Rate of maxillary molar intrusion for correction of anterior open bite · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review
Two studies (62 participants), not pooled. Abellan 2021: no significant difference in molar intrusion at 3 months (1.25 vs 1.72 mm) or 6 months (1.09 vs 1.28 mm), nor rate per month. Hasan 2022: increased intrusion…
2 studies · 62 participants
GRADE not reported
Orthodontically-induced inflammatory root resorption (OIIRR) during molar intrusion · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
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 calcium hydroxide (CH); 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 formocresol (FC); GRADE not reported.
1 finding from 1 review
Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults undergoing orthodontic treatment
Low‐level laser therapy (LLLT) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with placebo (or no irradiation); GRADE not reported.
5 findings from 1 review
MD -10.63 [-22.33, 1.07]
2 studies · 118 participants
GRADE not reported
MD -6.39 [-8.65, -4.13]
1 study · 58 participants
GRADE not reported
Two further studies (160 participants) used bespoke assessments. Harazaki 1997 (84 participants): slightly lower proportion reporting severe pain in the intervention group, no inferential statistics. Turhani 2006 (76…
2 studies · 160 participants
GRADE not reported
Show 2 more findings
MD -10.76 [-13.80, -7.73]
2 studies · 118 participants
GRADE not reported
MD -20.27 [-24.50, -16.04]
2 studies · 118 participants
Low
Adverse effects of pain treatment · Adolescents and adults undergoing orthodontic treatment
The review found no eligible studies for this question.
1 finding from 1 review
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth
Low-level laser therapy (LLLT) + calcium hydroxide showed no clear difference in radiological failure compared with formocresol (FC); 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) + calcium hydroxide showed no clear difference in radiological failure compared with calcium hydroxide (CH); 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
Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
It is very uncertain whether electromagnetic radiation (low-level laser therapy) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).
1 finding from 1 review
QoL · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms
It is very uncertain whether electromagnetic radiation (low-level laser therapy) changes change in quality of life (QoL) compared with placebo (very low certainty).
1 finding from 1 review