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Evidence found and GRADE certainty

3,556 questions · 10,375 findings · 429 reviews · Oral Health

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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38% SDF solution (applied biannually) vs 38% SDF solution (applied annually)

Caries arrest · Children with dentine carious lesions (ICDAS 4-5) in primary teeth

Twice-yearly 38% SDF was reported to arrest more caries than once-yearly application (24-month rates 91% vs 79%; ungraded).

1 finding from 1 review

Prior SDF application without a rinsing step vs No prior SDF application (untreated dentin control)

Immediate bond strength (MPa) · Dental adhesives bonded to caries-affected dentin (in vitro)

Only one study assessed SDF without a rinsing step on adhesive bonding to caries-affected dentin (Kucukyilmaz 2016, which reported impaired bond strength); no meta-analysis was possible, so no pooled estimate is available.

1 finding from 1 review

Fluoride-containing dental care products (mainly fluoride toothpaste) vs Dietary fluoride sources (drinking water, beverages, food)

Contribution of dental care products to total fluoride exposure · Pregnant and lactating women

No study has explored the contribution of dental care products to total fluoride exposure in pregnant and lactating women.

1 finding from 1 review

Artemisia desertorum spreng (Shahaosan) vs Artemisia desertorum spreng (Yunnan)

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

Artemisia desertorum spreng (Shahaosan) showed no clear difference in presence of dry socket compared with artemisia desertorum spreng (Yunnan); GRADE not reported.

1 finding from 1 review

Dental extraction protocol with plasma rich in growth factors (PRGF) inserted into the postextraction alveolus vs Standard dental extraction protocol without PRGF

MRONJ (incidence proportion) · People with cancer treated with intravenous bisphosphonates undergoing dental extractions (at risk of MRONJ)

It is very uncertain whether dental extraction protocol with plasma rich in growth factors (PRGF)… changes MRONJ (incidence proportion) compared with standard dental extraction protocol without PRGF (very low certainty).

1 finding from 1 review

Single-visit root canal treatment vs Multiple-visit root canal treatment (two or more visits)

Postobturation pain at 1 week · People aged 10 years or above requiring root canal treatment; permanent teeth with completely formed apex and without internal resorption

It is very uncertain whether single-visit root canal treatment changes postobturation pain at 1 week compared with multiple-visit root canal treatment (two or more visits) (very low certainty).

1 finding from 1 review

Socioeconomic status category vs Not applicable (single-group prevalence)

Middle SES prevalence (among children with caries) · Children with dental caries (deciduous and/or permanent dentition) in low- and middle-income countries

About 35% of children with caries in LMICs were of middle SES (pooled prevalence 0.353, 95% CI 0.180 to 0.550; 7 studies; not GRADE-rated).

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Oral candidiasis prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

cART was associated with a significantly lower prevalence of oral candidiasis than monotherapy or dual therapy (very low certainty).

1 finding from 1 review

Full-mouth scaling (FMS): scaling/root planing (subgingival instrumentation) of all quadrants within 24 hours, without antiseptic vs Full-mouth disinfection (FMD): scaling/root planing (subgingival instrumentation) of all quadrants within 24 hours plus adjunctive antiseptic (chlorhexidine) treatments (rinsing, pocket irrigation, tongue/tonsil brushing)

Tooth loss · Adults with a clinical diagnosis of (chronic) periodontitis (1999 classification); studies of aggressive periodontitis, systemic disorders…

The review found no eligible studies for this question.

1 finding from 1 review

Socioeconomic status category vs Not applicable (single-group prevalence)

High SES prevalence (among children with caries) · Children with dental caries (deciduous and/or permanent dentition) in low- and middle-income countries

About 25% of children with caries in LMICs were of high SES (pooled prevalence 0.245, 95% CI 0.162 to 0.339; 5 studies; not GRADE-rated).

1 finding from 1 review

Food marketing exposure or greater marketing power vs No, less, or less powerful food marketing

Food preference · Children and adolescents (general population, aged under 20 years)

In crossover studies with binary outcomes, food marketing increased food preference (OR 3.49, 95% CI 2.03 to 6.22; ungraded).

1 finding from 1 review

Unfavourable oral hygiene and dietary habits (frequent sweet/sugar consumption; low toothbrushing frequency in early childhood) vs Favourable oral hygiene and dietary habits

Caries development in permanent teeth · School children and adolescents (6-18 years) followed from primary dentition (baseline examination before 72 months of age)

Early-childhood oral hygiene and dietary habits show inconsistent associations with permanent-teeth caries, often losing significance after adjustment for past caries (2 studies; not pooled; not GRADE-rated).

1 finding from 1 review

Living with HIV and undergoing antiretroviral therapy (ART/HAART) vs Healthy HIV-negative controls

Linear gingival erythema (WHO clinical stage 2) · Children or adolescents

No difference in linear gingival erythema between groups (pooled OR 1.00, 95% CI 0.06 to 16.19); the lesion was essentially absent in both groups.

1 finding from 1 review

Responsive complementary feeding (RCF) / other caregivers' feeding practices vs Other models of complementary feeding (traditional/non-responsive CF)

Dental caries · Healthy, term-born, normal-birth-weight infants aged 4-24 months (breastfed and/or formula-fed) in Western industrialized countries

No eligible studies examined the influence of complementary feeding practices on later dental caries; this is an evidence gap.

1 finding from 1 review

Study-specific random forest classifier vs Caries versus healthy disease-state labels

Study-specific disease-state discrimination · Oral microbiome samples in 15 case-controlled studies

Bong-Soo 2017, Zhu 2018, and Jiang 2019 had mean AUC scores over 0.75; exact study-specific AUCs were not reported in text or readable figure labels.

1 finding from 1 review