What do systematic reviews say?

Activator functional appliance vs Prefabricated functional myobrace appliance (PFA)

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

• Orthodontic treatment for prominent upper front teeth (Class II malocclusion) in children and adolescents 2018 · Cochrane All outcomes

  End of orthodontic treatment
  MD -0.6 [-1.63, 0.43]
  1 study · 97 participants
  GRADE not reported

Repositioning of ankylosed teeth after osteotomy followed or not by distraction osteogenesis, or after luxation vs Conventional orthodontic treatment or follow-up with no specific treatment for ankylosis

The review found no eligible studies for this question.

• Interventions for treating traumatised ankylosed permanent front teeth 2015 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Transplantation of other teeth after extraction of the ankylosed teeth vs Conventional orthodontic treatment or follow-up with no specific treatment for ankylosis

The review found no eligible studies for this question.

• Interventions for treating traumatised ankylosed permanent front teeth 2015 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Implant-supported crowns after extraction or decoronation of the ankylosed teeth vs Conventional orthodontic treatment or follow-up with no specific treatment for ankylosis

The review found no eligible studies for this question.

• Interventions for treating traumatised ankylosed permanent front teeth 2015 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

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

The review found no eligible studies for this question.

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes
  Cost of treatment: No studies assessed this outcome.
  Studies not reported
  No studies found

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

The review found no eligible studies for this question.

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes
  Damage to the teeth: No studies assessed this outcome.
  Studies not reported
  No studies found

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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

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

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes
  Self etching primers versus self etching primers: Two split-mouth studies compared two different SEPs (Noble 2006; Paschos 2009). The failure rates were reported at tooth level rather than at participant level. We…
  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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

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

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).

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes

  5 to 37 months
  RR 1.14 [0.75, 1.73]
  5 studies · 221 participants
  Low

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

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes
  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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

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

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes
  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

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

The review found no eligible studies for this question.

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes
  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

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

The review found no eligible studies for this question.

• Enamel etching for bonding fixed orthodontic braces 2013 · Cochrane All outcomes
  Participant satisfaction: No studies assessed this outcome.
  Studies not reported
  No studies found

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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found

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

The review found no eligible studies for this question.

• Interventions for managing relapse of the lower front teeth after orthodontic treatment 2013 · Cochrane All outcomes
  No RCTs met the inclusion criteria for this review. After deduplication, the electronic searching identified 527 publications; after reviewing the titles and abstracts, none focused on interventions to correct the…
  0 studies
  No studies found