What do systematic reviews say?

In-office laser therapy (all types combined) vs Placebo (placebo laser or placebo agent) or no treatment

The review found no eligible studies for this question.

• Laser therapy for dentinal hypersensitivity 2021 · Cochrane All outcomes
  Outcome not measured in any of the included studies
  0 studies
  No studies found

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

The review found no eligible studies for this question.

• Interventions for promoting the eruption of palatally displaced permanent canine teeth, without the need for surgical… 2021 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Orthodontic treatment with appliances inducing stable, permanent orthodontic tooth movement (splints worn 8 to 12 weeks and surgical interventions excluded) vs Control: no treatment, placebo, or reassurance

The review found no eligible studies for this question.

• Orthodontics for treating temporomandibular joint (TMJ) disorders 2010 · Cochrane All outcomes

  At least 6 months after the intervention
  no estimate extracted
  0 studies
  No studies found

Guided tissue regeneration (GTR) with barrier membrane (resorbable or non-resorbable) vs Open flap debridement (access flap surgery)

• Guided tissue regeneration for periodontal infra-bony defects 2006 · Cochrane All outcomes
  Cortellini 2001: 36% of GTR patients reported the procedure interfered with daily activity for an average of 2.7 days versus 32% of controls for an average of 2.4 days; no significant difference for postoperative pain…
  1 study
  GRADE not reported