Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,317 questions · 75,239 findings · 5,342 reviews

No studies found 15,213 · 20.2%GRADE not reported 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 4%

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Carious dentin before cavity sealing vs Carious dentin after cavity sealing

MMP-8 expression/activity · Human ex vivo carious dentin under sealed cavities

MMP-8 may be higher before than after cavity sealing, but the evidence is very uncertain (very low certainty).

1 finding from 1 review

Low‐level laser therapy vs Conventional orthodontic appliance treatment

Rate of maxillary molar intrusion for correction of anterior open bite · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review

Poor / irregular toothbrushing vs Toothbrushing alone

Oral health-related quality of life · Adolescents (10-19 years)

Irregular/poor toothbrushing is associated with worse OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding from 1 review
  • Oral-health-related quality of life in adolescents: umbrella review. 2023 All outcomes
    Community/school/clinic settings; adolescents 10-19 years; included reviews conducted in multiple countries
    The systematic review reports factors that physical disability, visual impairment, mental disorders, poor diet and irregular brushing negatively impact OHRQoL [36].
    Studies not reported
    GRADE not reported

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

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

In mature teeth, MTA probably achieves higher clinical and radiographic success than calcium hydroxide (OR 3.34, 95% CI 1.81-6.17; moderate certainty).

1 finding from 1 review

Fluoride varnish 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…

Fluoride varnish did not differ significantly from CPP-ACFP (SMD 0.18, 95% CI -0.29 to 0.64); certainty of evidence not assessed (no GRADE).

1 finding from 1 review

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Oral health-related quality of life · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
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 direct pulp capping

MTA increases clinical and radiographic success versus CH after direct pulp capping (moderate certainty).

1 finding from 1 review

Irradiated carious dentin vs Non-irradiated carious dentin

MMP-9 expression/activity · Human ex vivo carious dentin (head/neck radiotherapy)

MMP-9 showed no increase in irradiated vs non-irradiated carious dentin (one study; ungraded).

1 finding from 1 review

Outer carious dentin (by lesion depth/location) vs Inner carious dentin

MMP-2 location/depth · Human ex vivo carious dentin

No clear direction of MMP-2 presence by lesion depth/location was found; the evidence is very uncertain (very low certainty).

1 finding from 1 review

Upper clear plastic retainer + lower interproximal reduction (adjunctive) vs Positioner

Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment

Upper clear plastic retainer + lower interproximal reduction… led to lower stability: Little's Irregularity Index (lower arch) compared with positioner; GRADE not reported.

1 finding from 1 review