Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

62 questions · 96 findings · 5 reviews · Oral Health

No studies found 15 · 15.6%GRADE not reported 58 · 60.4%Very low 21 · 21.9%Low 2 · 2.1%Moderate 0 · 0%High 0 · 0%

Amoxicillin + metronidazole + SRP vs Clarithromycin + SRP

Percentage of bleeding on probing (BOP) · Adults with aggressive periodontitis

Amoxicillin + metronidazole + SRP showed no clear difference in percentage of bleeding on probing (BOP) compared with clarithromycin + SRP; GRADE not reported.

2 findings from 1 review

Amoxicillin + metronidazole + SRP vs SRP

Adverse events · Adults with periodontitis (chronic and aggressive)

It is very uncertain whether amoxicillin + metronidazole + SRP changes adverse events compared with SRP (very low certainty).

1 finding from 1 review

Metronidazole gel 25% (local antibiotic) vs Placebo gel

Presence of dry socket · Adults (>18 years) having permanent tooth extraction (predominantly mandibular third molars)

Metronidazole gel (25%, intrasocket) showed no clear difference in presence of dry socket compared with placebo gel; GRADE not reported.

1 finding from 1 review

Metronidazole gel 25% (local antibiotic) vs Ultrasonic debridement

Change in probing pocket depth (PPD) · People with at least one dental implant affected by perimplantitis

Metronidazole gel 25% (local antibiotic) showed no clear difference in change in probing pocket depth compared with ultrasonic debridement; GRADE not reported.

1 finding from 1 review

3Mix (ciprofloxacin + metronidazole + minocycline) vs Ciprofloxacin + ornidazole + minocycline

Outcome not reported · Children with extensive decay involving the dental pulp in primary teeth

The review found no eligible studies for this question.

1 finding from 1 review

3Mix (ciprofloxacin + metronidazole + minocycline) pulpotomy vs 3Mix pulpectomy

Clinical failure · Children with extensive decay involving the dental pulp in primary teeth

3Mix (ciprofloxacin + metronidazole + minocycline) pulpotomy showed no clear difference in clinical failure compared with 3Mix pulpectomy; GRADE not reported.

1 finding from 1 review

3Mix (ciprofloxacin + metronidazole + minocycline) pulpotomy vs 3Mix pulpectomy

Radiological failure · Children with extensive decay involving the dental pulp in primary teeth

3Mix (ciprofloxacin + metronidazole + minocycline) pulpotomy showed no clear difference in radiological failure compared with 3Mix pulpectomy; GRADE not reported.

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

Adverse events due to periodontal therapy · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes adverse events due to periodontal therapy compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

Cardiovascular events · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all cardiovascular events compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

All CVD-related death · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all CVD-related death compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review

Amoxicillin + metronidazole + SRP vs Supragingival scaling (plus placebo)

All‐cause death · People with periodontitis and metabolic syndrome (no CVD; primary prevention)

It is very uncertain whether scaling and root planing (SRP) plus antibiotics (amoxicillin and… changes all-cause death compared with supragingival scaling (plus placebo) (very low certainty).

1 finding from 1 review