Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,710 questions · 14,842 findings · 1,394 reviews

No studies found 2,880 · 19.4%GRADE not reported 1,413 · 9.5%Very low 3,103 · 20.9%Low 3,870 · 26.1%Moderate 2,663 · 17.9%High 913 · 6.2%

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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

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after subgingival instrumentation (SI) vs Subgingival instrumentation (SI) alone (hand or power-driven, or both), or SI plus placebo/sham aPDT

Change in gingival recession (REC) · Adults (> 18 years) with recurrent periodontitis, receiving supportive (maintenance) periodontal care

It is very uncertain whether adjunctive antimicrobial photodynamic therapy (aPDT) applied after… changes change in gingival recession (REC) compared with subgingival instrumentation (SI) alone (hand or power-driven, or… (very low certainty).

2 findings from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Percussion pain at 72 hours · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in percussion pain at 72 hours compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

1 finding from 1 review

Silver diamine fluoride (SDF) vs placebo or no treatment

Secondary prevention of caries · Children and adults (with or without carious lesions)

The review found no eligible studies for this question.

3 findings from 1 review

Pentoxifylline 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)

Pentoxifylline led to lower difficulty in speech (participant-reported proxy) compared with placebo or no active treatment; GRADE not reported.

1 finding 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

Pentoxifylline vs Placebo or no active treatment

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

Pentoxifylline led to lower difficulty in swallowing (participant-reported proxy) compared with placebo or no active treatment; GRADE not reported.

1 finding from 1 review

Silver diamine fluoride (SDF) vs placebo or no treatment

Primary caries prevention · Children and adults (with or without carious lesions)

It is very uncertain whether silver diamine fluoride (SDF) changes primary caries prevention compared with placebo or no treatment (very low certainty).

3 findings from 1 review

Occlusal splint vs No treatment or placebo (non-occlusal or transparent-foil placebo splint)

Severity of joint noise · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes severity of joint noise compared with no treatment or placebo (non-occlusal or transparent-foil placebo… (very low certainty).

1 finding from 1 review

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after submucosal instrumentation (SI) vs Submucosal instrumentation (SI) alone, or SI plus placebo/sham aPDT

Change in probing pocket depth (PPD) · Adults (> 18 years) with peri-implant mucositis, receiving active treatment

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after… showed no clear difference in change in probing depth (PD/PPD) compared with submucosal instrumentation (SI) alone, or SI plus placebo/sham aPDT; GRADE not reported.

1 finding 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

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after submucosal instrumentation (SI) vs Submucosal instrumentation (SI) alone, or SI plus placebo/sham aPDT

Outcome not reported · Adults (> 18 years) with peri-implantitis, receiving supportive treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single preoperative dose of systemic antibiotics (clindamycin 600 mg), total chemo-mechanical debridement and root filling vs Matched placebo, total chemo-mechanical debridement and root filling

Analgesic (painkiller) use · Adults with symptomatic apical periodontitis (no signs of spreading infection or systemic involvement)

Single preoperative dose of systemic antibiotics (clindamycin 600… showed no clear difference in analgesic use compared with matched placebo, total chemo-mechanical debridement and root filling; GRADE not reported.

1 finding from 1 review

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after submucosal instrumentation (SI) vs Submucosal instrumentation (SI) alone, or SI plus placebo/sham aPDT

Patient satisfaction · Adults (> 18 years) with peri-implant mucositis, receiving active treatment

The review found no eligible studies for this question.

1 finding from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Percussion pain at 7 days · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in percussion pain at 7 days compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

1 finding from 1 review

Intralesional dexamethasone injections vs placebo injection

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 intralesional dexamethasone injections changes maximal mouth opening (interincisal distance) compared with placebo injections (very low certainty).

2 findings from 1 review

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after subgingival instrumentation (SI) vs Subgingival instrumentation (SI) alone (hand or power-driven, or both), or SI plus placebo/sham aPDT

Quality of life · Adults (> 18 years) with a clinical diagnosis of periodontitis, receiving active (non-surgical anti-infective) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after submucosal instrumentation (SI) vs Submucosal instrumentation (SI) alone, or SI plus placebo/sham aPDT

Any adverse effect related to aPDT · Adults (> 18 years) with peri-implant mucositis, receiving active treatment

The review found no eligible studies for this question.

1 finding from 1 review