Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,171 questions · 1,373 findings · 60 reviews · Dental caries

No studies found 282 · 20.5%GRADE not reported 606 · 44.1%Very low 257 · 18.7%Low 160 · 11.7%Moderate 66 · 4.8%High 2 · 0.1%

Xylitol chewing gum vs No treatment or non-cariogenic control

Outcome not reported · Children and adults

The review found no eligible studies for this question.

1 finding from 1 review

Chlorhexidine chewing gum vs Placebo or no intervention (including routine care)

Outcome not reported · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…

The review found no eligible studies for this question.

1 finding from 1 review

Initiation of water fluoridation (artificial or natural) vs Low/non-fluoridated water (0.4 ppm fluoride or less)

Caries increment in permanent teeth · Children aged about 12 to 16 years (Hardwick 1982), community setting

Initiation of water fluoridation (artificial or natural) led to lower caries in permanent teeth (change in DMFS) compared with low/non-fluoridated water (0.4 ppm fluoride or less); GRADE not reported.

1 finding from 1 review

Chlorhexidine varnish (10%) vs placebo or no treatment

Elevated mutans streptococci levels (>=4 with caries screen; high vs low) · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…

It is very uncertain whether chlorhexidine varnish (10%) changes elevated mutans streptococci levels (>=4 with caries screen; high vs… compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Micro-invasive treatment (proximal sealing or resin infiltration): resin sealant, glass ionomer sealant, polyurethane/adhesive patch, or resin infiltration vs Non-invasive / control treatment

Material deficiency (retention/adaptation loss; re-treatment) · Dentate children and adults with non-cavitated proximal caries lesions extending into enamel or dentine (not pulp) in primary or permanent…
1 finding from 1 review

Chlorhexidine varnish vs placebo or no treatment

Dental caries: dmfs increment (primary teeth) · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…
1 finding from 1 review

Initiation of water fluoridation (artificial or natural) vs Low/non-fluoridated water (0.4 ppm fluoride or less)

Change in proportion of caries-free children (deciduous teeth) · People of all ages in a community setting; the included caries studies were all in children aged 3 to 16 years

Initiation of water fluoridation (artificial or natural) may leads to higher change in proportion of caries-free children (deciduous teeth) compared with low/non-fluoridated water (0.4 ppm fluoride or less) (low certainty).

1 finding from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs placebo or no treatment

Proportion of children not remaining caries-free · Children and adolescents aged 16 years or younger (permanent dentition)

Fluoride gel (topically applied; operator- or self-applied; any… showed no clear difference in proportion of children not remaining caries-free compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Repair of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite) vs Replacement of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite)

Presence of clinical symptoms (pain, swelling, diagnosis of pulpitis, abscess formation) · Adults (16 years or over) with one or more defective resin composite restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam) vs Replacement of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam)

Patient satisfaction (measured by patient satisfaction or aesthetic scales) · Adults (16 years or over) with one or more defective amalgam restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite) vs Replacement of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite)

Success or failure of restoration (as defined by the USPHS criteria) · Adults (16 years or over) with one or more defective resin composite restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite) vs Replacement of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite)

Adverse events · Adults (16 years or over) with one or more defective resin composite restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam) vs Replacement of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam)

Perioperative or postoperative pain or discomfort · Adults (16 years or over) with one or more defective amalgam restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite) vs Replacement of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite)

Further restoration required (repair, restoration, placement of crown/inlay, root filling) · Adults (16 years or over) with one or more defective resin composite restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam) vs Replacement of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam)

Success or failure of restoration (as defined by the USPHS criteria) · Adults (16 years or over) with one or more defective amalgam restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam) vs Replacement of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam)

Extraction of tooth (due to decay) · Adults (16 years or over) with one or more defective amalgam restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam) vs Replacement of a defective amalgam restoration in a permanent molar or premolar tooth (with amalgam)

Adverse events · Adults (16 years or over) with one or more defective amalgam restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review

Repair of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite) vs Replacement of a defective resin composite restoration in a permanent molar or premolar tooth (with resin composite)

Perioperative or postoperative pain or discomfort · Adults (16 years or over) with one or more defective resin composite restoration(s) in a molar or premolar tooth/teeth

The review found no eligible studies for this question.

1 finding from 1 review