Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,692 questions · 2,586 findings · 180 reviews · Dental caries

No studies found 194 · 7.5%GRADE not reported 1,937 · 74.9%Very low 248 · 9.6%Low 136 · 5.3%Moderate 52 · 2%High 19 · 0.7%

COE with vital rinsing (toluidine blue/tolonium chloride) vs Conventional oral examination (COE) alone

Detection rate of oral pre-malignant and malignant lesions after referral (COE+vital rinsing vs COE alone) · Oral cavity cancer or potentially malignant disorder symptom-free individuals with tobacco habits

COE with vital rinsing (toluidine blue/tolonium chloride) showed no clear difference in detection rate of oral pre-malignant and malignant lesions after… compared with conventional oral examination (COE) alone (moderate certainty).

1 finding from 1 review

Clear aligners (Invisalign / thermoformed aligners) vs Fixed appliances

S. mutans presence · Adolescents/teenagers undergoing orthodontic treatment

A single study found no significant difference in S. mutans presence between aligners and fixed appliances in adolescents at 1 month (RR 0.86, 95% CI 0.64 to 1.14; ungraded).

1 finding from 1 review

Habit of tooth cleaning vs No habit of tooth cleaning

Dental caries · Individuals in Ethiopia assessed for dental caries

The habit of tooth cleaning was not significantly associated with dental caries (OR 0.71, 95% CI 0.17 to 2.96); certainty not graded.

1 finding from 1 review

Sweet food consumption (frequent) vs No/less frequent sweet food consumption

Dental caries · Individuals in Ethiopia assessed for dental caries

Sweet food consumption was associated with significantly higher odds of dental caries (OR 2.4, 95% CI 1.91 to 3.01); certainty not graded.

1 finding from 1 review

Utilization of dental services assessment (care/restorative index; dental visits) vs None (descriptive prevalence review; subgroup analyses by urban/rural status, country and year)

Dental service utilisation within the past year · Healthy Emirati preschool children in the United Arab Emirates

Utilization of dental services among healthy Emirati preschoolers was very low, with most children never having visited a dentist and very low care indices (narrative synthesis; not GRADE-rated).

1 finding from 1 review

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

Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet

Dental erosion · General population (children and adults) assessed for dental hard-tissue health

Among adults and excluding the outlier study, vegetarian diet was associated with higher odds of dental erosion with no heterogeneity (OR 2.56, 95% CI 1.77 to 3.71; ungraded).

4 findings from 1 review
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