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Evidence found and GRADE certainty

488 questions · 529 findings · 33 reviews · Orthodontics · related questions CL0289

No studies found 117 · 22.1%GRADE not reported 263 · 49.7%Very low 65 · 12.3%Low 60 · 11.3%Moderate 21 · 4%High 3 · 0.6%

Hawley removable retainer vs Clear plastic removable retainer

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

It is very uncertain whether hawley removable retainer changes stability: Little's Irregularity Index (lower arch) compared with clear plastic removable retainer (very low certainty).

1 finding from 1 review

Upper clear plastic retainer + lower fixed canine-to-canine retainer vs Positioner

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 led to lower stability: Little's Irregularity Index (lower arch) compared with positioner; GRADE not reported.

1 finding from 1 review

Hawley removable retainer vs Clear plastic removable retainer

Survival of retainers (failure/how many failed) · People who had received fixed appliance orthodontic treatment

It is very uncertain whether hawley removable retainer changes survival of retainers (failure, upper and lower arches) compared with clear plastic removable retainer (very low certainty).

1 finding from 1 review

Hawley removable retainer vs Clear plastic removable retainer

Patient satisfaction: comfort (VAS, upper and lower arches) · People who had received fixed appliance orthodontic treatment

The review found no eligible studies for this question.

1 finding from 1 review

Upper fixed (bonded) retainer vs No retention

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

Upper fixed (bonded) retainer led to lower stability: Little's Irregularity Index (upper arch) compared with no retention; GRADE not reported.

1 finding from 1 review

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Orthodontic tooth movement (OTM) during alignment stage · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

The review found no eligible studies for this question.

1 finding from 1 review

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Rate of orthodontic tooth movement (OTM) during space closure stage (en masse, mm/month) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances

Light vibrational forces (LVF) showed no clear difference in rate of orthodontic tooth movement (OTM) during space closure stage… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).

1 finding from 1 review

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Patient-reported need for analgesics · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

The review found no eligible studies for this question.

1 finding from 1 review

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Improvement in occlusion (Peer Assessment Rating (PAR) or other validated scale) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
1 finding from 1 review

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Patient-reported need for analgesics · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances

Light vibrational forces (LVF) showed no clear difference in patient-reported need for analgesics during first week of initial… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).

1 finding from 1 review

Upper clear plastic retainer + lower interproximal reduction (adjunctive) vs Positioner

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

Upper clear plastic retainer + lower interproximal reduction… led to lower stability: Little's Irregularity Index (lower arch) compared with positioner; GRADE not reported.

1 finding from 1 review

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Total number of orthodontic appliance adjustment appointments during treatment · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

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

Patient satisfaction: discomfort/pain (lower arch) · People who had received fixed appliance orthodontic treatment

It is very uncertain whether part-time clear plastic (removable) retainer changes patient satisfaction: discomfort/pain (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: mean survival time (lower arch, months) · People who had received fixed appliance orthodontic treatment

The review found no eligible studies for this question.

1 finding from 1 review

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Rate of orthodontic tooth movement with removable orthodontic aligners · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances

Light vibrational forces (LVF) showed no clear difference in rate of orthodontic tooth movement with removable orthodontic aligners compared with conventional orthodontic appliance treatment (placebo or no adjunct); GRADE not reported.

1 finding from 1 review

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Rate of orthodontic tooth movement during space closure stage (maxillary canine distalisation), mm/day · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

It is very uncertain whether light-emitting diode (LED) photobiomodulation changes rate of orthodontic tooth movement during space closure stage… compared with conventional orthodontic appliance treatment (very low certainty).

1 finding from 1 review

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Orthodontic tooth movement (OTM) during alignment stage · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances

Light vibrational forces (LVF) showed no clear difference in orthodontic tooth movement (OTM) during alignment stage (reduction… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).

1 finding from 1 review

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

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

It is very uncertain whether fibre-reinforced composite fixed (bonded) retainer changes stability: Little's Irregularity Index (lower arch) compared with multistrand / spiral wire fixed (bonded) retainer (very low certainty).

1 finding from 1 review