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%

Orthodontic distalising appliance (intraoral or extraoral) vs no intervention

Duration of treatment · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Self etching primer (one-step etchant-and-primer technique) vs Conventional etchants (two-step etch and prime method using 37% phosphoric acid)

Bond failure rate · Children and adults with fixed orthodontic brackets bonded to incisors, canines and premolars

Self etching primers (one-step etchant and primer system) showed no clear difference in bond failure rate compared with conventional etchants (two-step etch and prime method using 37%… (low certainty).

1 finding from 1 review

Orthodontic distalising appliance (intraoral or extraoral) vs no intervention

Movement of upper incisor teeth (mm) · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…
1 finding from 1 review

Intraoral distalising appliance vs Headgear (extraoral appliance)

Movement of upper first molars (mm) · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

It is very uncertain whether intraoral distalising appliance changes movement of upper first molars (mm) compared with headgear (extraoral appliance) (very low certainty).

1 finding from 1 review

Orthodontic distalising appliance (intraoral or extraoral) vs no intervention

Number of visits to complete treatment · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Headgear (extraoral appliance)

Non-compliance rate of the intervention · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Transbond Plus self etching primer (3M Unitek) vs Clearfil Protect Bond self etching primer (Kuraray Medical)

Decay (decalcification) associated with or around the etching field · Children and adults with fixed orthodontic brackets bonded to incisors, canines and premolars
1 finding from 1 review
  • Decalcification outcomes in Paschos 2009 were reported at tooth level rather than at participant level; the evidence was insufficient to conclude whether or not there is a difference in decalcification between the…
    1 study
    GRADE not reported

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Quality of life · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Headgear (extraoral appliance)

Adverse effects (headgear injuries, gum health, tooth damage/decay, root resorption) · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Another (different) intraoral distalising appliance

Duration of treatment · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…
1 finding from 1 review

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Adverse effects including pain, gingivitis, enamel decalcification and root resorption · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

Transbond Plus self etching primer (3M Unitek) vs First Step self etching primer (Reliance Orthodontic Products)

Bond failure rate · Children and adults with fixed orthodontic brackets bonded to incisors, canines and premolars
1 finding from 1 review
  • Noble 2006 (split-mouth) compared Transbond Plus versus First Step SEP; the bond failure rate was reported at tooth level rather than at participant level and was not amenable to analysis; the evidence was insufficient…
    1 study
    GRADE not reported

Antibiotics (systemic) vs No antibiotics, placebo, or a different type of antibiotic

Outcome not reported · Patients (mainly children and young adults) with a history of dental trauma and a diagnosis of luxation (intrusion, extrusion, or lateral…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Headgear (extraoral appliance)

Duration of treatment · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…
1 finding from 1 review

Different etching materials (phosphoric acid, polyacrylic acid, maleic acid, etc.), acid concentrations or etching times vs An alternative etching material, concentration or etching time

Outcome not reported · Children and adults with fixed orthodontic brackets bonded to incisors, canines and premolars

The review found no eligible studies for this question.

1 finding from 1 review
  • We identified no eligible trial that examined the effects of conventional etchants with respect to different etching concentrations or etching times for the bonding of fixed orthodontic appliances. No eligible RCTs…
    Studies not reported
    No studies found

Intraoral distalising appliance vs Another (different) intraoral distalising appliance

Adverse effects (headgear injuries, gum health, tooth damage/decay, root resorption) · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Another (different) intraoral distalising appliance

Non-compliance rate of the intervention · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Headgear (extraoral appliance)

Movement of upper incisor teeth (mm) · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

Intraoral distalising appliance may leads to higher movement of upper incisor teeth (mm) compared with headgear (extraoral appliance) (low certainty).

1 finding from 1 review

Self etching primer (one-step etchant-and-primer technique) vs Conventional etchants (two-step etch and prime method using 37% phosphoric acid)

Participant satisfaction · Children and adults with fixed orthodontic brackets bonded to incisors, canines and premolars

The review found no eligible studies for this question.

1 finding from 1 review

Dental repositioning vs Spontaneous re-eruption, orthodontic repositioning, or surgical repositioning

Outcome not reported · Patients (mainly children and young adults) with a history of dental trauma and a diagnosis of luxation (intrusion, extrusion, or lateral…

The review found no eligible studies for this question.

1 finding from 1 review