Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,971 questions · 9,849 findings · 853 reviews

No studies found 1,150 · 11.7%GRADE not reported 3,387 · 34.4%Very low 1,963 · 19.9%Low 1,809 · 18.4%Moderate 1,207 · 12.3%High 333 · 3.4%

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Indirect restorations (crowns, fixed partial dentures, inlays/onlays/veneers) vs None (single-group incidence)

Pulp necrosis · Vital teeth restored with indirect restorations

Pulp necrosis incidence among treated by prosthodontists was 1.87% (subgroup analysis; not GRADE-rated).

23 findings from 1 review
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Resin infiltration vs CPP-ACFP

Remineralization / reduction in lesion severity (change in QLF, laser fluorescence, or lesion area) · Patients with white spot lesions / early caries lesions (WSLs/ECLs), including orthodontic and non-orthodontic lesions, active caries…

Resin infiltration did not differ significantly from CPP-ACFP (SMD -0.52, 95% CI -1.16 to 0.12; indirect evidence only); certainty of evidence not assessed (no GRADE).

1 finding from 1 review

Mutans streptococci present in oral samples at baseline vs Mutans streptococci absent in oral samples at baseline

Development of any (cavitated or non-cavitated) carious lesion · Children younger than 6 years with caries-free primary dentition (no cavitated or non-cavitated lesions at baseline)

Preschool children with mutans streptococci at baseline probably have about four times higher odds of developing early childhood caries (OR 4.13; moderate certainty).

10 findings from 1 review
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P11-4 + fluoride varnish vs CPP-ACP

Remineralization / reduction in lesion severity (change in QLF, laser fluorescence, or lesion area) · Patients with white spot lesions / early caries lesions (WSLs/ECLs), including orthodontic and non-orthodontic lesions, active caries…

P11-4 plus fluoride varnish was significantly better than CPP-ACP (SMD -0.78, 95% CI -1.33 to -0.24; indirect evidence only); certainty of evidence not assessed (no GRADE).

1 finding from 1 review

ACTIVA bioactive restorative material vs Glass ionomer cement (GIC)

Secondary caries · Patients requiring dental restoration; permanent teeth

Over 1 year in permanent teeth, the effect of ACTIVA versus GIC on secondary caries is very uncertain (RR 22.80, 95% CI 0.89-584.17; very low certainty).

1 finding from 1 review

Tooth location

Pulp necrosis · Vital teeth

One study reported a 7.1% incidence in mandibular posterior teeth.

8 findings from 1 review
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Edentulism (complete or partial missing teeth) vs Individuals without edentulism

Oral health-related quality of life · Indian elderly

One study found edentulism did not affect OHRQoL (dichotomous); ungraded.

3 findings from 1 review

Clear aligners (Invisalign / thermoformed aligners) vs Conventional orthodontic appliance treatment

Plaque · Orthodontic patients undergoing comprehensive treatment (late mixed or permanent dentition, no active caries)

In randomized trials, clear aligners probably reduce plaque accumulation versus fixed appliances, though the subgroup estimate is imprecise and its CI crosses no effect (SMD -1.79, 95% CI -3.63 to 0.04; moderate certainty).

6 findings from 1 review
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Resin infiltration vs Fluoride varnish

Remineralization / reduction in lesion severity (change in QLF, laser fluorescence, or lesion area) · Patients with white spot lesions / early caries lesions (WSLs/ECLs), including orthodontic and non-orthodontic lesions, active caries…

Resin infiltration was significantly better than fluoride varnish (SMD -0.70, 95% CI -1.18 to -0.21); certainty of evidence not assessed (no GRADE).

1 finding from 1 review

Mineral trioxide aggregate (MTA) vs Calcium hydroxide (CH)

Overall success (composite of clinical and radiographic success) · Patients with carious pulp exposure in permanent teeth undergoing pulpotomy

The effect of MTA versus CH after pulpotomy is uncertain (low certainty).

1 finding from 1 review

Platelet-rich fibrin (PRF) graft vs Mineral trioxide aggregate (MTA)

Overall success (composite of clinical and radiographic success) · Patients with carious pulp exposure in immature permanent teeth undergoing pulpotomy

The two trials of PRF versus MTA for success gave contradictory results and were not pooled (ungraded).

1 finding from 1 review

Indirect restoration placement by undergraduate students vs None (single-group incidence)

Pulp necrosis · Vital teeth

The pooled incidence with undergraduate students was 5.68%.

2 findings from 1 review

Chlorhexidine mouthwash vs placebo

Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

Chlorhexidine mouthwash reduced Mutans streptococci versus placebo, but certainty is very low.

1 finding from 1 review

Resin infiltration vs P11-4 + fluoride varnish

Remineralization / reduction in lesion severity (change in QLF, laser fluorescence, or lesion area) · Patients with white spot lesions / early caries lesions (WSLs/ECLs), including orthodontic and non-orthodontic lesions, active caries…

Resin infiltration and P11-4 plus fluoride varnish did not differ significantly (SMD 0.01, 95% CI -0.62 to 0.65; indirect evidence only); certainty of evidence not assessed (no GRADE).

1 finding from 1 review

Calcium-enriched mixture (CEM) cement vs Mineral trioxide aggregate (MTA)

Overall success (composite of clinical and radiographic success) · Patients with carious pulp exposure in permanent teeth undergoing pulpotomy

MTA and CEM performed comparably for clinical and radiographic success (2 RCTs, not pooled; ungraded).

1 finding from 1 review

Light-cured resin-modified glass ionomer cement vs Glass ionomer cement (GIC)

Secondary caries · Patients requiring dental restoration; permanent teeth

Over 1 year in permanent teeth, secondary caries did not differ significantly between RMGIC and GIC (RR 1.82, 95% CI 0.45-7.28; low certainty).

2 findings from 1 review

Malocclusion vs No malocclusion

Oral health-related quality of life · Indian children, adolescents and adults

One GOHAI study found no significant difference in OHRQoL by malocclusion status; ungraded.

3 findings from 1 review

Bruxism vs No bruxism

Oral health-related quality of life · Indian children and adults

Two studies found bruxers have poorer OHRQoL than non-bruxers; narrative, ungraded.

1 finding from 1 review

Chlorhexidine mouthwash vs Blank control

Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

Chlorhexidine mouthwash reduced Mutans streptococci versus blank control, but certainty is very low.

1 finding from 1 review

Composite resin vs Glass ionomer cement (GIC)

Secondary caries · Patients requiring dental restoration; permanent teeth

Over 1 year in permanent teeth, resin composite showed no statistically significant difference in secondary caries versus GIC (RR 3.05, 95% CI 0.95-9.79; low certainty).

2 findings from 1 review