Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

51 questions · 65 findings · 3 reviews · Oral medicine and oral cancer · All outcomes

No studies found 7 · 10.8%GRADE not reported 16 · 24.6%Very low 27 · 41.5%Low 11 · 16.9%Moderate 4 · 6.2%High 0 · 0%

Jaw opening exercises alone vs Ultrasound plus jaw opening exercises

Maximal mouth opening (interincisal distance) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

It is very uncertain whether jaw opening exercises alone changes maximal mouth opening (interincisal distance) compared with ultrasound plus jaw opening exercises (very low certainty).

1 finding from 1 review

Surgery plus Heister jaw opener vs Surgery plus wooden tongue depressors

Maximal mouth opening (interincisal distance) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

It is very uncertain whether surgery plus Heister jaw opener changes maximal mouth opening (interincisal distance) compared with surgery plus wooden tongue depressors (very low certainty).

2 findings from 1 review

Lycopene plus intralesional betamethasone vs placebo

Maximal mouth opening (interincisal distance) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
1 finding from 1 review
  • Kumar 2007 (3-arm: lycopene vs lycopene+intralesional betamethasone vs placebo): appeared to show increased interincisal distance in the two active groups, but limited withdrawal information/incomplete data meant…
    1 study
    GRADE not reported

Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment

Maximal mouth opening (interincisal distance) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

Antioxidants (lycopene, curcumin, Oxitard) showed no clear difference in maximal mouth opening (interincisal distance) compared with placebo or no active treatment (low certainty).

3 findings from 1 review

Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment

Difficulty in mouth opening (participant-reported proxy) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

Antioxidants (lycopene, curcumin, Oxitard) led to lower difficulty in mouth opening (participant-reported proxy) compared with placebo or no active treatment; GRADE not reported.

1 finding from 1 review

Dietary supplements (lycopene) 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
1 finding from 1 review
  • Interventions for treating burning mouth syndrome 2016 · Cochrane All outcomes
    short-term (up to 3 months) · lycopene
    Lycopene (Cano-Carrillo 2014) contributes to the dietary supplements short-term symptom-relief comparison (12 RCTs, insufficient/contradictory); no separate lycopene symptom-relief estimate reported.
    1 study · 50 participants
    GRADE not reported

Dietary supplements (lycopene) vs placebo

Change in QoL - depression (surrogate marker) · 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 dietary supplements (lycopene) changes change in QoL - depression (surrogate marker) compared with placebo (very low certainty).

1 finding from 1 review

Dietary supplements (lycopene) 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 dietary supplements (lycopene) changes change in quality of life (QoL) compared with placebo (very low certainty).

1 finding from 1 review

Dietary supplements (lycopene) vs placebo

Change in QoL - anxiety (surrogate marker) · 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 dietary supplements (lycopene) changes change in QoL - anxiety (surrogate marker) compared with placebo (very low certainty).

1 finding from 1 review

Surgery plus Heister jaw opener vs Surgery plus wooden tongue depressors

Burning sensation (VAS 0-100) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)
1 finding from 1 review
  • Vadepally 2019 measured burning sensation on a VAS but did not fully report results, stating there was no significant difference between the 2 groups (p=0.617).
    1 study · 50 participants
    GRADE not reported

Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment

Participant-reported resumption of normal eating, chewing and speech · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

The review found no eligible studies for this question.

1 finding from 1 review

Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment

Intolerance to spicy food (participant-reported proxy) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

Antioxidants (lycopene, curcumin, Oxitard) led to lower intolerance to spicy food (participant-reported proxy) compared with placebo or no active treatment; GRADE not reported.

1 finding from 1 review

Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment

Burning sensation (VAS 0-100) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

Antioxidants (lycopene, curcumin, Oxitard) probably leads to lower burning sensation (VAS 0-100) compared with placebo or no active treatment (moderate certainty).

3 findings from 1 review

Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment

Difficulty in speech (participant-reported proxy) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF)

Antioxidants (lycopene, curcumin, Oxitard) showed no clear difference in difficulty in speech (participant-reported proxy) compared with placebo or no active treatment; GRADE not reported.

1 finding from 1 review