Search

What do systematic reviews say?

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

613 questions · 659 findings · 29 reviews · Orthodontics

No studies found 186 · 28.2%GRADE not reported 294 · 44.6%Very low 87 · 13.2%Low 68 · 10.3%Moderate 21 · 3.2%High 3 · 0.5%

Facemask vs no intervention

Perceived need for surgery in adulthood · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Facemask may leads to higher perceived need for surgery in adulthood compared with untreated control (no treatment) (low certainty).

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

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Costs · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances

The review found no eligible studies for this question.

1 finding from 1 review

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

Discomfort/pain · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

It is very uncertain whether light-emitting diode (LED) photobiomodulation changes patient perception of pain and discomfort (VAS 0 to 100 mm) compared with conventional orthodontic appliance treatment (very low certainty).

1 finding from 1 review

Light vibrational forces (LVF) vs Conventional orthodontic appliance treatment

Change in angulation of teeth adjacent to the space (molar and canine tipping/rotation) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
1 finding from 1 review

Low‐level laser therapy vs Conventional orthodontic appliance treatment

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

It is very uncertain whether low level laser therapy (LLLT) 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

Discomfort/pain · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances

Light vibrational forces (LVF) showed no clear difference in patient perception of pain and discomfort (VAS 0 to 100 mm),… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).

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

Low‐level laser therapy vs Conventional orthodontic appliance treatment

Side effects or other adverse events · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review