Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

15 questions · 15 findings · 5 reviews · Oral medicine and oral cancer

No studies found 4 · 26.7%GRADE not reported 6 · 40%Very low 5 · 33.3%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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 placebo

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

Low‐level laser therapy vs placebo

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

Low‐level laser therapy vs placebo

Change in feeling of dryness · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Low‐level laser therapy vs placebo

Adverse effects · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Low‐level laser therapy vs placebo

Change in taste · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

The review found no eligible studies for this question.

1 finding from 1 review

Surgical removal of the lesion (surgical excision, laser surgery, cryotherapy) vs Placebo or no treatment

Outcome not reported · People with a diagnosis of oral leukoplakia

The review found no eligible studies for this question.

1 finding from 1 review
  • 'We did not identify any RCTs that compared surgical treatments with placebo or no treatment.' Three surgical RCTs were found (Chee 2013, Lopez-Jornet 2013, Schwarz 2005) but all excluded because they did not include a…
    Studies not reported
    No studies found

Low‐level laser therapy vs Placebo or no active treatment

Oral mucositis (any severity) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Laser (low level) showed no clear difference in oral mucositis (any severity) compared with placebo/sham/no treatment; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo or no active treatment

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Laser (low level) showed no clear difference in oral mucositis (moderate to severe) compared with placebo/sham/no treatment; GRADE not reported.

1 finding from 1 review

Clobetasol propionate ointment vs Low-level laser therapy (LLLT)

Pain (mean score) · People with symptomatic, biopsy-confirmed oral lichen planus (OLP); not concurrently receiving other OLP treatment

It is very uncertain whether clobetasol propionate ointment changes pain (mean score) compared with low-level laser therapy (LLLT) (very low certainty).

1 finding from 1 review

Clobetasol propionate ointment vs Low-level laser therapy (LLLT)

Clinical score · People with symptomatic, biopsy-confirmed oral lichen planus (OLP); not concurrently receiving other OLP treatment

It is very uncertain whether clobetasol propionate ointment changes clinical score compared with low-level laser therapy (LLLT) (very low certainty).

1 finding from 1 review

Clobetasol propionate ointment vs Low-level laser therapy (LLLT)

Clinical resolution · People with symptomatic, biopsy-confirmed oral lichen planus (OLP); not concurrently receiving other OLP treatment

It is very uncertain whether clobetasol propionate ointment changes clinical resolution compared with low-level laser therapy (LLLT) (very low certainty).

1 finding from 1 review