Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,556 questions · 10,375 findings · 429 reviews · All outcomes

No studies found 1,344 · 13%GRADE not reported 6,832 · 65.9%Very low 1,228 · 11.8%Low 613 · 5.9%Moderate 290 · 2.8%High 68 · 0.7%

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Azithromycin + SRP vs SRP

Probing pocket depth · Adults with periodontitis (chronic and aggressive)

Azithromycin + SRP led to lower probing pocket depth compared with SRP; GRADE not reported.

3 findings from 1 review

Tooth-coloured direct restorative materials (composite, compomer, giomer, RMGIC, HVGIC, open-sandwich) vs No comparator

Retention success rate · Children with primary molars requiring proximal (Class II) restorations

For the Rubber dam isolation: Yes subgroup, the 24-month retention success rate was 0.931 (95% CI 0.834-0.973; ungraded).

21 findings from 1 review
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Gastroesophageal or laryngopharyngeal reflux (GERD/LPR) vs Healthy individuals without reflux (controls)

Dental erosion · Adults with gastroesophageal reflux disease (GERD) or laryngopharyngeal reflux (LPR)

Reflux (GERD/LPR) is associated with a higher prevalence and severity of dental erosion than in healthy individuals, but the evidence is heterogeneous, not pooled, and ungraded.

1 finding from 1 review

Counter-stimulation and distraction (combined) vs Conventional treatment

Acceptance of LA · Children and adolescents having dental treatment under local anaesthetic without general anaesthesia

The review found no eligible studies for this question.

1 finding from 1 review

Any antimicrobial mouthwash and/or nasal spray (alone or in combination), at any concentration, delivered to the patient or HCW before and/or after an AGP vs No treatment or saline or water

Changes in microbiome in oral cavity, nasal cavity, oro- or nasopharynx · Patients without suspected or confirmed COVID-19 infection undergoing aerosol-generating procedures (AGPs), and the healthcare workers…

The review found no eligible studies for this question.

1 finding from 1 review

Video modelling acclimatisation vs Acclimatisation in clinic (tell-show-do)

Anxiety · Children and adolescents having dental treatment under local anaesthetic without general anaesthesia

Video modelling acclimatisation showed no clear difference in pre- and post-operative anxiety measures (Venham's scale) compared with acclimatisation in clinic (tell-show-do); GRADE not reported.

1 finding from 1 review

AG genotype of ENAM rs1264848 vs AA genotype of ENAM rs1264848

Dental caries susceptibility · Individuals assessed for dental caries (cases with caries/high caries vs. caries-free or low/very-low-caries controls)

No significant association between AG genotype vs AA genotype of ENAM rs1264848 and dental caries susceptibility (AG vs AA model: OR 1.21, 95% CI 0.88-1.65); certainty not graded.

2 findings from 1 review

TT genotype of AMELX rs6639060 vs CC genotype of AMELX rs6639060

Dental caries susceptibility · Individuals assessed for dental caries (cases with caries/high caries vs. caries-free or low/very-low-caries controls)

No significant association between TT genotype vs CC genotype of AMELX rs6639060 and dental caries susceptibility (TT vs CC model: OR 1.04, 95% CI 0.43-2.51) in the Age group: Adults subgroup; certainty not graded.

3 findings from 1 review

CT genotype of AMELX rs946252 vs CC genotype of AMELX rs946252

Dental caries susceptibility · Individuals assessed for dental caries (cases with caries/high caries vs. caries-free or low/very-low-caries controls)

No significant association between CT genotype vs CC genotype of AMELX rs946252 and dental caries susceptibility (CT vs CC model: OR 2.80, 95% CI 0.93-8.43) in the Ethnicity: Caucasian subgroup; certainty not graded.

4 findings from 1 review
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GG genotype of LTF rs1126478 vs AA + AG genotype of LTF rs1126478

Dental caries susceptibility · Individuals assessed for dental caries (cases with caries/high caries vs. caries-free or low/very-low-caries controls)

No significant association between GG genotype vs AA + AG genotype of LTF rs1126478 and dental caries susceptibility (GG vs AA + AG model: OR 0.95, 95% CI 0.80-1.13) in the Age group: Children subgroup; certainty not graded.

4 findings from 1 review
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Doxycycline + SRP vs Metronidazole + SRP

Clinical attachment level (CAL) · Adults with aggressive periodontitis

Doxycycline + SRP showed no clear difference in clinical attachment level (CAL) compared with metronidazole + SRP; GRADE not reported.

3 findings from 1 review

Clinical examination with 24-month recall vs Clinical examination with 6-month recall

Patient satisfaction with actual care received (1-7 scale) · Dentate adults (aged 18 years and older) receiving dental check-ups in UK general dental practices (regular attenders)

Clinical examination with 24-month recall showed no clear difference in patient satisfaction with actual care received (1-7 scale) compared with clinical examination with 6-month recall; GRADE not reported.

1 finding from 1 review

CT genotype of AMELX rs17878486 vs CC genotype of AMELX rs17878486

Dental caries susceptibility · Individuals assessed for dental caries (cases with caries/high caries vs. caries-free or low/very-low-caries controls)

The CT genotype of AMELX rs17878486 was associated with increased dental caries risk (CT vs CC model: OR 5.11, 95% CI 1.33-19.72) in the Ethnicity: Mixed subgroup; certainty not graded.

6 findings from 1 review
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