What do systematic reviews say?

Psychological intervention (habit reversal / positive reinforcement) vs Alternative psychological intervention (DRO / negative reinforcement)

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes

  Short term (less than 12 months)
  Christensen 1987 (20 participants) compared habit reversal (HR) with differential reinforcement of other behaviour (DRO): no statistically significant difference. Larsson 1972 (38 participants) compared positive with…
  2 studies · 58 participants
  GRADE not reported

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

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

The review found no eligible studies for this question.

• Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes
  Results: 'Our prespecified secondary outcomes of patient satisfaction, improvement in occlusion, and prolonged stability of treatment were not measured in the trials.'
  0 studies
  No studies found

Psychological interventions vs no treatment

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes
  SoF (psychological interventions vs no treatment): Adverse events - insufficient information reported. Table 3 (adverse outcomes after one month; Haryett 1967), psychological treatment group: reported upset 1/11 (9%);…
  1 study
  GRADE not reported

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

Fixed-appliance orthodontic treatment incorporating surgically… may leads to higher rate of tooth movement (orthodontic tooth movement in mm at 3 months) compared with conventional treatment: fixed-appliance orthodontic treatment… (low certainty).

• Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes

  3 months
  MD 2.03 [1.52, 2.54]
  2 studies · 31 participants
  Low
• Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes

  1 month
  MD 0.61 [0.49, 0.72]
  3 studies · 42 participants
  Low

Psychological interventions (positive/negative reinforcement, habit reversal, DRO) vs no treatment

Psychological interventions (positive/negative reinforcement, habit… may leads to higher sucking cessation (short term) compared with no treatment (low certainty).

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes

  Short term (less than 12 months)
  RR 6.16 [1.18, 32.10]
  2 studies · 87 participants
  Low

Orthodontic appliances (palatal crib) vs no treatment

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes

  Short term (3 months)
  Table 1 (reduction in malocclusion), Villa 1997 (n=24), palatal crib vs no treatment: change in mandibular arch length (mm) - no treatment 0.03 (SD 0.19); palatal crib -1.2 (SD 0.8); reported as statistically…
  1 study · 24 participants
  GRADE not reported

Psychological intervention + orthodontic treatment (palatal crib or palatal arch) vs no treatment

Psychological intervention + orthodontic treatment (palatal crib or… showed no clear difference in sucking cessation (short term) compared with no treatment; GRADE not reported.

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes

  Short term (less than 12 months)
  RR 6.36 [0.97, 41.96]
  1 study · 32 participants
  GRADE not reported

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

• Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes

  Up to 4 months
  SoF: Assumed risk 'See comment'; Corresponding risk 'See comment'; 13 (1 study, split‐mouth); Quality ⊕⊖⊖⊖ very low. Comment: 'Gingival and periodonal problems only were assesed in 1 study (Aboul‐Ela 2011). No precise…
  1 study · 13 participants
  Very low

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

• Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes

  24 hours to 28 days
  Results: 'Pain experience was compared between surgical and non‐surgical cases in a single study (Alikhani 2013). Within 24 hours of appliance activation and canine retraction, both groups reported higher levels of…
  1 study
  GRADE not reported

Barrier techniques (gloves/plasters) vs No treatment

The review found no eligible studies for this question.

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes
  There were no studies that looked at barrier techniques or pacifier withdrawal.
  0 studies
  No studies found

Psychological interventions (positive and negative reinforcement) vs no treatment

Psychological interventions (positive and negative reinforcement) led to higher sucking cessation (long term) compared with no treatment; GRADE not reported.

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes

  Long term (12 months or more)
  RR 6.25 [1.65, 23.65]
  1 study · 57 participants
  GRADE not reported

Psychological intervention (positive reinforcement) vs Alternative psychological intervention (negative reinforcement)

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes

  Long term (12 months or more)
  Larsson 1972, comparing positive reinforcement with negative reinforcement, also provided long-term data. Again, no statistically significant between-group differences were shown (Analysis 6.2).
  1 study
  GRADE not reported

Psychological interventions vs no treatment

The review found no eligible studies for this question.

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes
  Occlusion: Not reported.
  0 studies
  No studies found

Fixed prostheses cemented to prepared teeth 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

Orthodontic appliances (palatal crib) vs no treatment

The review found no eligible studies for this question.

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes
  Correction of posterior crossbite was not measured in this study despite being a well recognised feature in the malocclusion of a child with a thumb-sucking habit.
  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

Orthodontic appliances (palatal crib) vs no treatment

It is very uncertain whether orthodontic appliances (palatal crib) changes occlusion (change in overbite, short term) compared with no treatment (very low certainty).

• Interventions for the cessation of non‐nutritive sucking habits in children 2015 · Cochrane All outcomes

  Short term (3 months)
  MD 4.10 [2.93, 5.27]
  1 study · 24 participants
  Very low

Fixed-appliance orthodontic treatment incorporating surgically assisted orthodontics (adjunctive surgical procedure: corticotomy, micro-osteoperforation or interseptal bone reduction) to increase the rate of tooth movement vs Conventional orthodontic appliance treatment

The review found no eligible studies for this question.

• Surgical adjunctive procedures for accelerating orthodontic treatment 2015 · Cochrane All outcomes
  Results: 'Our prespecified secondary outcomes of patient satisfaction, improvement in occlusion, and prolonged stability of treatment were not measured in the trials.'
  0 studies
  No studies found

Frankel's function regulator-4 (FR-4) with lip-seal training vs no treatment

• Orthodontic and orthopaedic treatment for anterior open bite in children 2014 · Cochrane All outcomes

  End of treatment (about 2 years)
  The author reported no difference between groups in mandibular ramus growth (linear measure Ar-Go). No pooled estimate.
  1 study
  GRADE not reported