Findings

What do systematic reviews say?

9 questions · 9 findings · 1 reviews · Oral Health

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No studies found 5 · 55.6%GRADE not reported 0 · 0%Very low 3 · 33.3%Low 1 · 11.1%Moderate 0 · 0%High 0 · 0%

Hawley removable retainer vs Clear plastic removable retainer

Adverse effects on oral health · People who had received fixed appliance orthodontic treatment

The review found no eligible studies for this question.

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
Not measured
0 studies
No studies found

Full-time wear of removable retainer (any type) vs Part-time wear of removable retainer (any type)

Adverse effects on oral health · People who had received fixed appliance orthodontic treatment

The review found no eligible studies for this question.

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
Not measured
0 studies
No studies found

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

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

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

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
RD 0.00 [-0.05, 0.05]
1 study · 84 participants
Very low

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

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
MD -0.34 [-0.66, -0.02]
1 study · 59 participants
Very low

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

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

CAD/CAM nitinol fixed (bonded) retainer showed no clear difference in adverse effects on oral health: Gingival Index (lower arch) compared with conventional/analogue multistrand fixed (bonded) retainer (low certainty).

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
MD 0.00 [-0.16, 0.16]
2 studies · 107 participants
Low

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

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

The review found no eligible studies for this question.

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
No RCTs at 12-month follow-up; 1 RCT at 6 months: higher gingival inflammation with fibre-reinforced composite (MD 0.59, 95% CI 0.13 to 1.05; very low-certainty)
0 studies
No studies found

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

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

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

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
RR 0.53 [0.31, 0.88]
1 study · 84 participants
Very low

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

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

The review found no eligible studies for this question.

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
No RCTs at 12-month follow-up; 1 RCT at 6 months found no difference (very low-certainty)
0 studies
No studies found

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

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

The review found no eligible studies for this question.

1 finding from 1 review

Retention procedures for stabilising tooth position after treatment with orthodontic braces 2023 · Cochrane All outcomes
12 months · lower arch
No RCTs at 12-month follow-up; 2 RCTs at 6 months found no difference (low-certainty)
0 studies
No studies found