Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,545 questions · 2,661 findings · 317 reviews

No studies found 608 · 22.8%GRADE not reported 505 · 19%Very low 695 · 26.1%Low 540 · 20.3%Moderate 249 · 9.4%High 64 · 2.4%

Intervention not reported

Salt intake in grams per day ‐ subset of initiatives that are multi‐component and incorporate activities of a structural nature (n = 7 countries) · ‐level interventions in national government jurisdictions to reduce sodium consumption
1 finding from 1 review

Hand mallet (osteotomes) vs Electric mallet

Bone gain · Patients undergoing one-stage crestal maxillary sinus lift without bone grafts (baseline residual bone height about 6.5 mm)

Hand mallet (osteotomes) showed no clear difference in bone gain compared with electric mallet; GRADE not reported.

1 finding from 1 review

Transbuccal miniplate combined with intraoral approach vs Intraoral approach alone

Requirement for additional (surgical) interventions (plate removal within 90 days) · Adults with fractures of the mandibular angle

Transbuccal miniplate combined with intraoral approach led to lower requirement for additional (surgical) interventions (plate removal… compared with intraoral approach alone; GRADE not reported.

1 finding from 1 review

Two miniplates (transbuccal approach) vs One miniplate plus two screws (intraoral approach at external oblique ridge)

Requirement for additional (surgical) interventions (plate removal) · Adults with fractures of the mandibular angle

Two miniplates (transbuccal approach) showed no clear difference in requirement for additional (surgical) interventions (plate removal) compared with one miniplate plus two screws (intraoral approach at external…; GRADE not reported.

1 finding from 1 review

Erbium:YAG laser vs Air-abrasive device (Perio-Flow)

Marginal bone level change · People with at least one dental implant affected by perimplantitis

Er:YAG laser showed no clear difference in radiographic marginal bone level change compared with air-abrasive device (Perio-Flow); GRADE not reported.

1 finding from 1 review

Immediate implants (placed in a fresh extraction socket just after tooth extraction) vs Delayed implants (placed at least 2 months after extraction)

Marginal bone level change · Patients with compromised teeth to be extracted who require single dental implants in fresh postextraction sockets

Immediate implants (placed in a fresh extraction socket just after… showed no clear difference in perimplant marginal bone level changes compared with delayed implants (placed at least 2 months after extraction, in…; GRADE not reported.

1 finding from 1 review

Autogenous bone block from the chin vs Bovine-derived xenograft (Bio-Oss) plus resorbable barrier

Prosthesis/implant failure (1 year) · Patients with horizontally resorbed maxillary sites needing single implants

Autogenous bone block from the chin showed no clear difference in prosthesis/implant failure (1 year) compared with 100% Bio-Oss + resorbable barrier; GRADE not reported.

1 finding from 1 review

Horizontal bone augmentation (any technique) vs No augmentation

Outcome not reported · Patients with horizontally resorbed maxillary sites needing single implants

The review found no eligible studies for this question.

1 finding from 1 review

Ethinyl estradiol 35 μg + cyproterone acetate 2 mg vs ethinyl estradiol 30 μg + desogestrel 0.15 mg

Proportion of participants who reported an adverse event · patients with hirsutism

Ethinyl estradiol 35 μg + cyproterone acetate 2 mg showed no clear difference in proportion of participants who reported an adverse event compared with ethinyl estradiol 30 μg + desogestrel 0.15 mg (moderate certainty).

1 finding from 1 review