Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,202 questions · 1,349 findings · 89 reviews · Oral Health

No studies found 286 · 21.2%GRADE not reported 685 · 50.8%Very low 235 · 17.4%Low 93 · 6.9%Moderate 43 · 3.2%High 7 · 0.5%

Placebo (sham irradiation, laser inactive) vs Control (no laser device used)

Maximum pain (verbal rating scale, VRS) · People requiring retreatment of periapical lesions (failed root canal therapy)

Placebo (sham irradiation, laser inactive) led to lower maximum pain (verbal rating scale, VRS) compared with control (no laser device used); GRADE not reported.

1 finding 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

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

Patient satisfaction · 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

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

Number of ibuprofen tablets required · 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 number of ibuprofen tablets required compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

1 finding 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

Any adverse effect related to aPDT · Adults (> 18 years) with a clinical diagnosis of periodontitis, receiving active (non-surgical anti-infective) treatment
1 finding from 1 review

Prophylaxis (teeth cleaning) and CHX or iodine-NaF solution application in the dentition of women (mothers) vs placebo

Mother microbiological presence · For interventions, pregnant women and mothers of infants in the first year of life; for outcomes, children up to 6 years of age
1 finding from 1 review

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

Joint pain at rest · People with temporomandibular disorders (TMD)

It is very uncertain whether occlusal splint changes joint pain at rest 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

Quality of life · Adults (> 18 years) with peri-implant mucositis, receiving active treatment

The review found no eligible studies for this question.

1 finding 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 probing pocket depth (PPD) · Adults (> 18 years) with a clinical diagnosis of periodontitis, receiving active (non-surgical anti-infective) treatment

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after… led to higher change in probing pocket depth (PPD) compared with subgingival instrumentation (SI) alone (hand or power-driven, or…; GRADE not reported.

2 findings 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

Swelling (mean) · Adults with symptomatic apical periodontitis (no signs of spreading infection or systemic involvement)

The review found no eligible studies for this question.

3 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 24 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 24 hours compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

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

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

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after… led to higher change in clinical attachment level (CAL) compared with subgingival instrumentation (SI) alone (hand or power-driven, or…; GRADE not reported.

2 findings from 1 review

Fluoride varnish applied before 4 years of age vs Non-fluoride (placebo) varnish

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years

Fluoride varnish applied before 4 years of age (biannual) showed no clear difference in fluorosis (percentage prevalence in permanent teeth) compared with placebo varnish (low certainty).

1 finding from 1 review

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

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

Pain at 24 hours · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

It is very uncertain whether postoperative systemic antibiotics… changes pain at 24 hours compared with matched placebo, partial or total chemo-mechanical debridement and… (very low certainty).

1 finding from 1 review

Vasodilator 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)

It is very uncertain whether vasodilators (isoxsuprine, xanthinol nicotinate) changes maximal mouth opening (interincisal distance) compared with placebo or no active treatment (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

Swelling (mean) · 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 swelling at 48 hours compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

4 findings from 1 review
Show 1 more finding

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

Change in gingival recession (REC) · Adults (> 18 years) with peri-implant mucositis, receiving active treatment

The review found no eligible studies for this question.

1 finding from 1 review