Findings

What do systematic reviews say?

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

2,359 questions · 2,491 findings · 249 reviews

No studies found 696 · 27.9%GRADE not reported 213 · 8.6%Very low 611 · 24.5%Low 595 · 23.9%Moderate 315 · 12.6%High 61 · 2.4%

Periodontal treatment (subgingival instrumentation, with or without antimicrobials/surgery) vs usual care or no treatment

Clinical attachment level (CAL) · People with diabetes mellitus (type 1 or type 2, mostly type 2) and periodontitis, at least 16 years of age

Periodontal treatment (subgingival instrumentation, with or without… led to lower clinical attachment level (CAL) compared with no active intervention/usual care; GRADE not reported.

1 finding from 1 review

Schwarz appliance vs No active treatment (control)

Size of the lower jaw (arch length, change) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Schwarz appliance showed no clear difference in size of the lower jaw (mandibular arch length, change) at 9 months compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Lower lip bumper vs No active treatment (control)

Amount of crowding · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether lower lip bumper changes amount of crowding (change in mandibular incisor crowding) at 6 months compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Lower lip bumper vs No active treatment (control)

Lower incisors to mandible (position, mm) at 9 months · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Lower lip bumper led to higher lower incisors to mandible at 6 months compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Lower lip bumper vs No active treatment (control)

Size of the lower jaw (arch length) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Lower lip bumper led to higher size of the lower jaw (mandibular arch length) at 6 months compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Schwarz appliance vs No active treatment (control)

Amount of crowding (change in mandibular crowding) at 8 weeks · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether schwarz appliance changes amount of crowding (lower arch crowding, change) at 9 months compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Extraction of third molars (wisdom teeth) vs No active treatment (control)

Amount of crowding · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether extraction of third molars (wisdom teeth) changes amount of crowding (Little's Irregularity Index, change) at 5 years compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Lower lingual arch vs No active treatment (control)

Size of the lower jaw (arch length) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Lower lingual arch led to higher size of the lower jaw (mandibular arch length) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Extraction of lower deciduous canines vs No active treatment (control)

Lower incisor inclination (lingual tipping and retrusion) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Extraction of lower deciduous canines showed no clear difference in lower incisors to mandible (inclination, degrees) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Schwarz appliance vs No active treatment (control)

Position of the incisors (upper incisor inclination) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Schwarz appliance showed no clear difference in upper incisors to maxilla (inclination, degrees) at 9 months compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Eruption guidance appliance vs No active treatment (control)

Amount of crowding (number of children with crowding, mandible) after 1 year · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether eruption guidance appliance changes amount of crowding (number of children with crowding, mandible)… compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Patching vs active observation

Stereoacuity at distance Loss of ≥ 2 octaves near stereoacuity Measured using the Preschool Randot test 3 years after surgery · people with intermittent exotropia, aged less than 11 years

The review found no eligible studies for this question.

1 finding from 1 review

Patching vs active observation

Motor alignment at distance fixation Measured using PACT at 6 months · people with intermittent exotropia, aged less than 11 years

Patching showed no clear difference in motor alignment at distance fixation Measured using PACT at 6 months compared with active observation (high certainty).

1 finding from 1 review

Patching vs active observation

Minor adverse events Defined as any adverse event within 8 weeks of surgery that does not require further intervention · people with intermittent exotropia, aged less than 11 years

The review found no eligible studies for this question.

1 finding from 1 review

Patching vs active observation

Quality of life measures Measured at 3 years using the IXTQ scores for children, parents, or parent proxies (i.e. parents' perception of their children's quality of life). Scores could range from 0 (worst quality of life) to 100 (best quality of l... · people with intermittent exotropia, aged less than 11 years

The review found no eligible studies for this question.

1 finding from 1 review

Patching vs active observation

Motor alignment at near fixation Measured using PACT at 6 months · people with intermittent exotropia, aged less than 11 years

Patching showed no clear difference in motor alignment at near fixation Measured using PACT at 6 months compared with active observation (high certainty).

1 finding from 1 review

Patching vs active observation

Stereoacuity at near · people with intermittent exotropia, aged less than 11 years

Patching showed no clear difference in stereoacuity at near Measured using the Preschool Randot, Titmus… compared with active observation (low certainty).

1 finding from 1 review