Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

1,127 questions · 1,590 findings · 132 reviews · All outcomes

No studies found 189 · 11.9%GRADE not reported 1,166 · 73.3%Very low 130 · 8.2%Low 69 · 4.3%Moderate 25 · 1.6%High 11 · 0.7%

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 (any severity) · Patients with osteosarcoma (bone cancer) receiving high-dose methotrexate, vincristine and leucovorin

It is very uncertain whether oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed… changes oral mucositis (any severity) compared with low-dose leucovorin rinse (very low certainty).

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 (moderate to severe) · Patients with osteosarcoma (bone cancer) receiving high-dose methotrexate, vincristine and leucovorin

It is very uncertain whether oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed… changes oral mucositis (moderate to severe) compared with low-dose leucovorin rinse (very low certainty).

1 finding from 1 review

Chlorhexidine varnish (10% and 40%) vs placebo or no treatment

Caries increment in permanent teeth · 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% and 40%) changes caries increment in permanent dentition (DMFS; higher values… compared with placebo or no treatment (very low certainty).

1 finding 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)

Repair of root perforations · 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

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

Early childhood caries experience (mean dmft) · 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
  • No evidence to determine the effect of the cessation of water fluoridation on caries in deciduous teeth. No included study reported change in dmft following cessation.
    0 studies
    No studies found

Higher drinking-water fluoride exposure vs Lower water fluoride concentration (concurrent control)

Adverse effects: dental fluorosis · Populations of all ages (mostly children) exposed to drinking water with differing fluoride concentrations

Higher water fluoride concentration (fluoridated water; natural or… may leads to higher dental fluorosis of any level (all severities) compared with lower water fluoride concentration (concurrent control) (low certainty).

1 finding from 1 review

Chlorhexidine spray 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

Chlorhexidine toothpaste 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

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

Repair of root perforations · 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

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 visualisation of root canal anatomy and morphology · 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

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)

Overall success (composite of clinical and radiographic success) · 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
    >=1 year after treatment
    None of the studies fulfilled our inclusion criteria and therefore no data analysis was conducted (three potentially eligible trials were identified from 1234 records; all were excluded).
    Studies not reported
    No studies found

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

Dental caries in permanent teeth · People of all ages in a previously fluoridated community (Maupome 2001: children with generally low caries experience)
1 finding from 1 review
  • Water fluoridation for the prevention of dental caries 2015 · Cochrane All outcomes
    Follow-up 3 years
    Insufficient evidence to determine the effect of the cessation of water fluoridation on caries. One study (Maupome 2001), at high risk of bias, over 3 years found no increase in caries in the fluoride-ended group…
    1 study · 9249 participants
    Very low

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

Total time required to complete the clinical procedure · 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 procedure time. In the excluded trial Taschieri 2008, based on the operators' experience, completing the surgical procedure took on average four to five minutes longer for the endoscope than…
    Studies not reported
    No studies found

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

Overall success (composite of clinical and radiographic success) · 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
    >=1 year after treatment
    None of the studies fulfilled our inclusion criteria; the only trial comparing three magnification devices (Taschieri 2008) was excluded, so no data analysis was conducted.
    Studies not reported
    No studies found

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 visualisation of root canal anatomy and morphology · 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

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

Removal of broken (fractured) instruments from the root canal · 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

Chlorhexidine gel (0.12%) vs no treatment

Presence of new caries in the primary teeth · 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 gel (0.12%) changes presence of new caries in the primary teeth compared with no treatment (very low certainty).

1 finding from 1 review

Chlorhexidine varnish vs placebo or no treatment

Pain, quality of life, patient satisfaction or costs · 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

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

Disparities in caries across socioeconomic status (SES) · 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

Fixed prostheses cemented to prepared teeth after extraction or decoronation of the ankylosed teeth vs Conventional orthodontic treatment or follow-up with no specific treatment for ankylosis

Outcome not reported · Any patient with ankylosis and displacement of permanent front teeth diagnosed by clinical and radiographic assessment, with or without…

The review found no eligible studies for this question.

1 finding from 1 review