Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

592 questions · 793 findings · 32 reviews · Periodontology

No studies found 148 · 18.7%GRADE not reported 429 · 54.1%Very low 137 · 17.3%Low 53 · 6.7%Moderate 14 · 1.8%High 12 · 1.5%

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Gingival index (GI) · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Persons with orofacial cleft have a higher gingival index than healthy controls (MD 0.15, 95% CI 0.11 to 0.19; low certainty).

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Clinical attachment level (CAL) · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Clinical attachment level loss is greater in persons with orofacial cleft than in healthy controls (p<0.00001), but no pooled effect size was reported (ungraded).

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Bleeding Index (BI) · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Bleeding index is significantly higher in persons with orofacial cleft than in healthy controls (p<0.0001), but no pooled effect size was reported (ungraded).

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Oral microbiota composition · Individuals assessed for oral microbiota (mainly children and adolescents)

Oral microbiota composition differs between persons with orofacial cleft and healthy controls, synthesized qualitatively across 8 studies but not meta-analyzed (ungraded).

1 finding from 1 review

Unilateral cleft lip and palate (UCLP) vs Bilateral cleft lip and palate (BCLP)

Plaque · Patients with cleft lip and palate (CLP)

Plaque index does not differ significantly between unilateral and bilateral cleft lip and palate (MD -0.13, 95% CI -0.38 to 0.12; ungraded).

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Probing pocket depth · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Persons with orofacial cleft have a greater probing pocket depth than healthy controls (MD 0.88, 95% CI 0.82 to 0.95; low certainty).

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Plaque · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Persons with orofacial cleft have a higher plaque index than healthy controls (MD 0.29, 95% CI 0.24 to 0.34; low certainty).

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

Dental caries vs Caries-free controls

Periodontitis (prevalence) · adults

Using adjusted ORs, caries remained associated with higher periodontitis odds (OR 1.57).

3 findings from 1 review

Periodontitis vs No periodontitis (periodontal health or gingivitis)

Dental caries prevalence · adults

With a non-standard periodontitis definition, the association persisted (OR 1.38).

12 findings from 1 review
Show 9 more findings

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

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

Non-syndromic cleft lip and palate (CLP) status and its oral microbiota (exposure/grouping) vs Children and adolescents aged 0-18 years without CLP (controls)

Dental caries · Children and adolescents aged 0-18 years with non-syndromic cleft lip and palate (CLP)

Pooling 3 studies, children/adolescents with CLP were about 2.03 times more likely to have dental caries than non-CLP controls (p<0.005; low heterogeneity), though most included studies were at high risk of bias; the evidence is ungraded.

1 finding from 1 review

Non-syndromic cleft lip and palate (CLP) status and its oral microbiota (exposure/grouping) vs Children and adolescents aged 0-18 years without CLP (controls)

Lactobacillus spp. salivary/plaque counts (cariogenic microbiota) · Children and adolescents aged 0-18 years with non-syndromic cleft lip and palate (CLP)

A meta-analysis found no significant difference in mean Lactobacillus spp. levels between children with and without CLP, with high heterogeneity; the evidence is ungraded.

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