What do systematic reviews say?

Low‐level laser therapy vs Conventional orthodontic appliance treatment

• Non‐surgical adjunctive interventions for accelerating tooth movement in patients undergoing orthodontic treatment 2023 · Cochrane All outcomes
  Abellan 2021 assessed OIIRR using CBCT after intrusion of maxillary molars; no evidence of significant increase or reduction with LLLT. Statistical test results not published.
  1 study
  GRADE not reported

Superelastic NiTi arch wire vs Multistrand stainless steel arch wire

The review found no eligible studies for this question.

• Initial arch wires used in orthodontic treatment with fixed appliances 2024 · Cochrane All outcomes
  Root resorption: not reported
  0 studies
  No studies found

Superelastic NiTi arch wire vs Conventional (stabilised) NiTi arch wire

The review found no eligible studies for this question.

• Initial arch wires used in orthodontic treatment with fixed appliances 2024 · Cochrane All outcomes
  Root resorption: not reported
  0 studies
  No studies found

NiTi arch wire of one cross-sectional size vs NiTi arch wire of a different cross-sectional size

The review found no eligible studies for this question.

• Initial arch wires used in orthodontic treatment with fixed appliances 2024 · Cochrane All outcomes
  Root resorption: not reported
  0 studies
  No studies found

Thermoelastic copper NiTi (CuNiTi) arch wire vs Conventional (stabilised) NiTi arch wire

The review found no eligible studies for this question.

• Initial arch wires used in orthodontic treatment with fixed appliances 2024 · Cochrane All outcomes
  Root resorption: not reported
  0 studies
  No studies found

Single-strand superelastic NiTi arch wire vs Coaxial superelastic NiTi arch wire

The review found no eligible studies for this question.

• Initial arch wires used in orthodontic treatment with fixed appliances 2024 · Cochrane All outcomes
  Root resorption: not reported
  0 studies
  No studies found

Multistrand stainless steel wire vs Wires of other materials (conventional stainless steel, superelastic NiTi, thermoelastic NiTi)

The review found no eligible studies for this question.

• Initial arch wires used in orthodontic treatment with fixed appliances 2024 · Cochrane All outcomes
  Root resorption: not reported
  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

Superelastic NiTi arch wire vs Thermoelastic NiTi arch wire

It is very uncertain whether superelastic NiTi arch wire changes root resorption (reduction in root length) compared with thermoelastic NiTi arch wire (very low certainty).

• Initial arch wires used in orthodontic treatment with fixed appliances 2024 · Cochrane All outcomes

  16 weeks
  MD -0.05 [-0.14, 0.04]
  2 studies · 52 participants
  Very low