Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

643 questions · 671 findings · 87 reviews

No studies found 177 · 26.4%GRADE not reported 106 · 15.8%Very low 182 · 27.1%Low 114 · 17%Moderate 66 · 9.8%High 26 · 3.9%

Unilateral extraction of the mandibular first permanent molar vs Bilateral extraction of the mandibular first permanent molars

Midline deviation of the mandibular arch · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)

One study found midline deviation more likely after unilateral than bilateral extraction (OR 11.6; single study; not GRADE-rated).

1 finding from 1 review

One-stage lateral sinus lift with monocortical autogenous bone blocks (iliac crest) vs Two-stage lateral sinus lift with autogenous particulate bone (iliac crest)

Complication (perforation of sinus membrane) at augmented site · Patients with 2 to 7 mm of residual alveolar bone height in the edentulous maxillary sinus floor

One-stage lateral sinus lift with monocortical autogenous bone… showed no clear difference in complications (sinus membrane perforation) compared with two-stage lateral sinus lift with autogenous particulate bone (iliac…; GRADE not reported.

1 finding from 1 review

One-stage lateral sinus lift with monocortical autogenous bone blocks (iliac crest) vs Two-stage lateral sinus lift with autogenous particulate bone (iliac crest)

Implant failure · Patients with 2 to 7 mm of residual alveolar bone height in the edentulous maxillary sinus floor

One-stage lateral sinus lift with monocortical autogenous bone… showed no clear difference in implant failure compared with two-stage lateral sinus lift with autogenous particulate bone (iliac…; GRADE not reported.

1 finding from 1 review

One-stage lateral sinus lift with monocortical autogenous bone blocks (iliac crest) vs Two-stage lateral sinus lift with autogenous particulate bone (iliac crest)

Prosthesis failure · Patients with 2 to 7 mm of residual alveolar bone height in the edentulous maxillary sinus floor

One-stage lateral sinus lift with monocortical autogenous bone… showed no clear difference in prosthesis failure compared with two-stage lateral sinus lift with autogenous particulate bone (iliac…; GRADE not reported.

1 finding from 1 review

Lateral postures vs other postures

Severe perineal tears (3rd degree or higher, as defined by trialists) · fetal malposition in labour

It is very uncertain whether lateral postures changes severe perineal tears (3rd degree or higher, as defined by trialists) compared with other postures (very low certainty).

1 finding from 1 review

Lateral postures vs other postures

Maternal satisfaction (as defined by trialists using standardised tools available) · fetal malposition in labour

Lateral postures showed no clear difference in maternal satisfaction (as defined by trialists using standardised… compared with other postures (low certainty).

1 finding from 1 review

Lateral postures vs other postures

Serious neonatal morbidity (composite outcome defined as death, admission to neonatal intensive care, neonatal encephalopathy, or as defined by trialists) · fetal malposition in labour

It is very uncertain whether lateral postures changes serious neonatal morbidity (composite outcome defined as death,… compared with other postures (very low certainty).

1 finding from 1 review