What do systematic reviews say?

Orthodontic appliances (palatal crib) vs no treatment

Orthodontic appliances (palatal crib) 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 5.81 [1.49, 22.66]
  1 study · 37 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

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 (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