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Evidence found and GRADE certainty

4,411 questions · 5,986 findings · 226 reviews · Oral Health

No studies found 1,305 · 21.8%GRADE not reported 2,988 · 49.9%Very low 1,030 · 17.2%Low 476 · 8%Moderate 156 · 2.6%High 31 · 0.5%

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EGFR monoclonal antibody (cetuximab or nimotuzumab) plus standard therapy (radiotherapy or chemoradiotherapy) vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Progression‐free survival · People with squamous cell carcinoma of the oral cavity or oropharynx

EGFR monoclonal antibody (cetuximab or nimotuzumab) plus standard… showed no clear difference in progression-free survival compared with standard therapy alone (radiotherapy or chemoradiotherapy); GRADE not reported.

2 findings from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no intervention or control intervention (control)

Quality of life · All patients with cancer who are receiving treatment
2 findings from 1 review

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

Caries development in permanent 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 lower caries in permanent teeth (change in DMFT) compared with low/non-fluoridated water (0.4 ppm fluoride or less) (low certainty).

1 finding from 1 review

Preformed crown (any material; conventional technique or Hall Technique) vs Filling (any material; with or without complete carious tissue excavation; with or without pulp treatment)

Adverse events: gingival bleeding · Children with decayed primary molar teeth

Preformed crown (any material; conventional technique or Hall… showed no clear difference in adverse events: gingival bleeding compared with filling (any material; with or without complete carious tissue…; GRADE not reported.

2 findings from 1 review

Preformed crown (any material; conventional technique or Hall Technique) vs Filling (any material; with or without complete carious tissue excavation; with or without pulp treatment)

Satisfaction with treatment · Children with decayed primary molar teeth

The review found no eligible studies for this question.

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

Unacceptability of treatment (dropouts/exclusions during the trial) · Children and adolescents aged 16 years or less

Fluoride gel (topically applied; operator- or self-applied; any… showed no clear difference in unacceptability of treatment (dropouts/exclusions during the trial) compared with placebo or no treatment; GRADE not reported.

3 findings from 1 review

Endodontic therapy (surgical or non-surgical) performed with the aid of one or more magnification devices (surgical microscope, endoscope or magnifying loupes) vs The same endodontic therapy performed without magnification devices (without visual enhancers)

Quality of root-end filling (retrograde/surgical treatment) · Patients of any age who received endodontic therapy and were followed up for at least 1 year after treatment

The review found no eligible studies for this question.

1 finding from 1 review
  • Magnification devices for endodontic therapy 2015 · Cochrane All outcomes
    No included study assessed this outcome; the review notes that such secondary outcomes were only sporadically reported and were never statistically assessed.
    Studies not reported
    No studies found

Pacifier withdrawal vs No treatment

Outcome not reported · Children with a non-nutritive sucking habit (digit or pacifier)

The review found no eligible studies for this question.

1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no intervention or control intervention (control)

Adverse events · All patients with cancer who are receiving treatment
2 findings from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Patient satisfaction / quality of life (validated measure) · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs Low-dose leucovorin rinse

Oral mucositis (severe) · Patients with osteosarcoma (bone cancer) receiving high-dose methotrexate, vincristine and leucovorin
1 finding from 1 review

Preformed crown (any material; conventional technique or Hall Technique) vs Filling (any material; with or without complete carious tissue excavation; with or without pulp treatment)

Pain · Children with decayed primary molar teeth

Preformed crown (any material; conventional technique or Hall… probably leads to lower pain compared with filling (any material; with or without complete carious tissue… (moderate certainty).

2 findings from 1 review

Glass ionomer sealant (with fluoride gel plus dentifrice) vs Fluoride gel plus fluoride toothpaste/dentifrice (non-invasive control)

Caries (lesion) progression (radiographic) · Dentate children and adults with non-cavitated proximal caries lesions extending into enamel or dentine (not pulp) in primary or permanent…

Glass ionomer sealant (with fluoride gel plus dentifrice) showed no clear difference in caries (lesion) progression (radiographic) compared with fluoride gel plus fluoride toothpaste/dentifrice (non-invasive…; GRADE not reported.

1 finding from 1 review

Endodontic therapy performed with one type of magnification device (surgical microscope, endoscope or magnifying loupes) vs Endodontic therapy performed with a different type of magnification device

Quality of root-end filling (retrograde/surgical treatment) · Patients of any age who received endodontic therapy and were followed up for at least 1 year after treatment

The review found no eligible studies for this question.

1 finding from 1 review
  • Magnification devices for endodontic therapy 2015 · Cochrane All outcomes
    No included study assessed this outcome; the review notes that such secondary outcomes were only sporadically reported and were never statistically assessed.
    Studies not reported
    No studies found

Xylitol syrup (high dose, 8 g/day) vs Control (low-dose xylitol, 2.67 g/day) syrup

Adverse effects (loose stools, diarrhoea) · Infants (primary teeth; baseline about 9 to 15 months)
1 finding from 1 review

Cessation of water fluoridation (fluoride removed from the water supply) vs Continued fluoridated water

Change in proportion of caries-free children (deciduous or permanent teeth) · People of all ages in a previously fluoridated community (Maupome 2001: children with generally low caries experience)

The review found no eligible studies for this question.

1 finding from 1 review

Preformed crown (any material; conventional technique or Hall Technique) vs No treatment

Outcome not reported · Children with decayed primary molar teeth

The review found no eligible studies for this question.

1 finding from 1 review
  • Crown versus no treatment was a planned comparison (Comparison 2: crown versus no crown or filling). No study evaluated crown versus no treatment; the only study in this comparison (Santamaria 2014) used active…
    0 studies
    No studies found

Cryotherapy (ice chips) 30 minutes vs Cryotherapy (ice chips) 60 minutes

Oral mucositis (moderate to severe) · Adults with solid cancers receiving fluorouracil (5FU) and leucovorin

It is very uncertain whether oral cryotherapy for 30 minutes changes oral mucositis (moderate to severe) compared with oral cryotherapy for 60 minutes (very low certainty).

1 finding from 1 review