Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

118 questions · 119 findings · 9 reviews · All outcomes

No studies found 53 · 44.5%GRADE not reported 27 · 22.7%Very low 24 · 20.2%Low 14 · 11.8%Moderate 1 · 0.8%High 0 · 0%

Activator functional appliance vs Prefabricated functional myobrace appliance (PFA)

Final overjet · Adolescents (age 12 to 16 years) receiving orthodontic treatment to correct prominent upper front teeth (Class II malocclusion)

Activator functional appliance showed no clear difference in final overjet compared with prefabricated functional myobrace appliance (PFA); GRADE not reported.

1 finding from 1 review

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Duration of orthodontic treatment, number of visits during active treatment (scheduled and unscheduled) and duration of visits · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…

The review found no eligible studies for this question.

1 finding from 1 review

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Patient satisfaction with treatment Measured by a validated scale · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…

The review found no eligible studies for this question.

1 finding from 1 review

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Prolonged stability of treatment (adjudged using an accepted scale) · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…

The review found no eligible studies for this question.

1 finding from 1 review

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Rate of orthodontic tooth movement with removable orthodontic aligners · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…

Fixed-appliance orthodontic treatment incorporating surgically… may leads to higher rate of tooth movement (orthodontic tooth movement in mm at 3 months) compared with conventional treatment: fixed-appliance orthodontic treatment… (low certainty).

2 findings from 1 review

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Harms arising during orthodontic treatment (gingival and periodontal problems, anchorage loss and iatrogenic damage to teeth e.g. caries/decalcification, root resorption); only periodontal/gingival health assessed · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…
1 finding from 1 review
  • SoF: Assumed risk 'See comment'; Corresponding risk 'See comment'; 13 (1 study, split‐mouth); Quality ⊕⊖⊖⊖ very low. Comment: 'Gingival and periodonal problems only were assesed in 1 study (Aboul‐Ela 2011). No precise…
    1 study · 13 participants
    Very low

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Discomfort/pain · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…
1 finding from 1 review
  • Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes
    24 hours to 28 days
    Results: 'Pain experience was compared between surgical and non‐surgical cases in a single study (Alikhani 2013). Within 24 hours of appliance activation and canine retraction, both groups reported higher levels of…
    1 study
    GRADE not reported

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Improvement in occlusion (Peer Assessment Rating (PAR) or other validated scale) · Individuals of any age receiving orthodontic treatment with fixed appliances (braces) (people requiring orthodontic tooth movement);…

The review found no eligible studies for this question.

1 finding from 1 review

Part-time clear plastic (removable) retainer vs Any type of fixed (bonded) retainer

Adverse effects on oral health: Gingival Index (lower arch) · People who had received fixed appliance orthodontic treatment

It is very uncertain whether part-time clear plastic (removable) retainer changes adverse effects on oral health: Gingival Index (lower arch) compared with any type of fixed (bonded) retainer (very low certainty).

1 finding from 1 review

Fibre-reinforced composite fixed (bonded) retainer vs Multistrand / spiral wire fixed (bonded) retainer

Patient satisfaction (measured by patient satisfaction or aesthetic scales) · People who had received fixed appliance orthodontic treatment

It is very uncertain whether fibre-reinforced composite fixed (bonded) retainer changes patient satisfaction: aesthetics (VAS 0-10 cm, lower arch) compared with multistrand / spiral wire fixed (bonded) retainer (very low certainty).

1 finding from 1 review

Part-time clear plastic (removable) retainer vs Any type of fixed (bonded) retainer

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

It is very uncertain whether part-time clear plastic (removable) retainer changes stability: Little's Irregularity Index (lower arch) compared with any type of fixed (bonded) retainer (very low certainty).

1 finding from 1 review

Upper clear plastic retainer + lower fixed canine-to-canine retainer vs Upper clear plastic retainer + lower interproximal reduction (adjunctive), no lower retainer

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

Upper clear plastic retainer + lower fixed canine-to-canine retainer showed no clear difference in stability: Little's Irregularity Index (lower arch) compared with upper clear plastic retainer + lower interproximal reduction…; GRADE not reported.

1 finding from 1 review

CAD/CAM nitinol fixed (bonded) retainer vs Multistrand / spiral wire fixed (bonded) retainer

Survival of retainers (failure, lower arch) · People who had received fixed appliance orthodontic treatment

It is very uncertain whether CAD/CAM nitinol fixed (bonded) retainer changes survival of retainers (failure, lower arch) compared with conventional/analogue multistrand fixed (bonded) retainer (very low certainty).

1 finding from 1 review

Full-time clear plastic (removable) retainer vs Any type of fixed (bonded) retainer

Survival of retainers (failure, lower arch) · People who had received fixed appliance orthodontic treatment

It is very uncertain whether full-time clear plastic (removable) retainer changes survival of retainers (failure, lower arch) compared with any type of fixed (bonded) retainer (very low certainty).

1 finding from 1 review

Fibre-reinforced composite fixed (bonded) retainer vs Multistrand / spiral wire fixed (bonded) retainer

Survival of retainers (failure, lower arch) · People who had received fixed appliance orthodontic treatment

Fibre-reinforced composite fixed (bonded) retainer showed no clear difference in survival of retainers (failure, lower arch) compared with multistrand / spiral wire fixed (bonded) retainer (low certainty).

1 finding from 1 review

Part-time clear plastic (removable) retainer vs Any type of fixed (bonded) retainer

Survival of retainers (failure, lower arch) · People who had received fixed appliance orthodontic treatment

It is very uncertain whether part-time clear plastic (removable) retainer changes survival of retainers (failure, lower arch) compared with any type of fixed (bonded) retainer (very low certainty).

1 finding from 1 review