Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,327 questions · 2,494 findings · 87 reviews · Oral Health

No studies found 450 · 18%GRADE not reported 1,487 · 59.6%Very low 385 · 15.4%Low 121 · 4.9%Moderate 50 · 2%High 1 · 0%

One-stage augmentation (implants placed simultaneously) vs Two-stage augmentation (delayed implant placement)

Complications · Patients with insufficient bone below the maxillary sinus requiring dental implants

One-stage augmentation (implants placed simultaneously) showed no clear difference in complications compared with two-stage augmentation (delayed implant placement); GRADE not reported.

1 finding from 1 review

One-stage crestal-approach sinus lift with autogenous bone and 8 mm implants vs Lateral-window sinus lift with 50% autogenous bone/50% Bio-Oss and implants at least 10 mm long

Augmentation (graft) procedure failure · Patients with 3 to 6 mm of residual bone height at the sinus floor

One-stage crestal-approach sinus lift with autogenous bone and 8 mm… showed no clear difference in augmentation (graft) procedure failure compared with lateral-window sinus lift with 50% autogenous bone/50% Bio-Oss and…; GRADE not reported.

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

Sucralfate suspension (topical) vs Placebo suspension

Episode frequency associated with oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care

Sucralfate suspension (topical) showed no clear difference in frequency of oral ulcers compared with placebo suspension; GRADE not reported.

1 finding from 1 review

Sinus lift with bone graft (granular Bio-Oss) vs Sinus lift without bone graft (Inion resorbable rigid barrier maintaining space / no bone)

Implant failure · Patients with an atrophic maxillary sinus requiring augmentation (1 to 5 mm residual bone height)

Sinus lift with bone graft (granular Bio-Oss) showed no clear difference in implant failure compared with sinus lift without bone graft (Inion resorbable rigid barrier…; GRADE not reported.

1 finding from 1 review

Maxillary sinus lift (augmentation) with long implants vs Short implants (5 to 8.5 mm) without sinus augmentation

Prosthesis failure · Patients with missing teeth and an atrophic posterior maxilla, with residual bone height between 4 and 9 mm below the maxillary sinus

Maxillary sinus lift (augmentation) with long implants showed no clear difference in prosthesis failure compared with short implants (5 to 8.5 mm) without sinus augmentation (moderate certainty).

1 finding from 1 review

Bone graft with platelet-rich plasma (PRP) vs Bone graft without PRP

Partial graft loss · Patients with insufficient bone below the maxillary sinus requiring dental implants

Bone graft with platelet-rich plasma (PRP) showed no clear difference in partial graft loss compared with bone graft without PRP; GRADE not reported.

1 finding from 1 review

Zygomatic implants without bone grafts (as a complete alternative to any bone augmentation procedure) vs Conventional dental implants in augmented maxillae

Patient perceived satisfaction (denture preference) · Participants with an atrophic maxilla who cannot be rehabilitated with conventional dental implants due to lack of bone (including…

The review found no eligible studies for this question.

1 finding from 1 review

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

Plaque · Children aged 4 to 12 years attending primary school

Primary school-based behavioural intervention (both oral hygiene and… showed no clear difference in plaque indices (permanent and deciduous teeth) compared with no intervention or delayed intervention (non-intervention control;… (low certainty).

1 finding from 1 review
  • SoF (Plaque indices, follow-up 3 to 15 months): 'All 3 RCTs showed a reduction in plaque in the intervention group compared to control group'; 827 participants (3 RCTs); GRADE low; comment 'Data not suitable for…
    3 studies · 827 participants
    Low

Electrostimulation (device) vs Placebo (sham/placebo device)

Dry mouth (xerostomia) · Adults with dry mouth due to Sjogren's Syndrome
1 finding from 1 review

Zygomatic implants without bone grafts (as a complete alternative to any bone augmentation procedure) vs Conventional dental implants in augmented maxillae

Complications · Participants with an atrophic maxilla who cannot be rehabilitated with conventional dental implants due to lack of bone (including…

The review found no eligible studies for this question.

1 finding from 1 review

Hyperbaric oxygen vs No HBO therapy

Preimplantation complications · Patients who have had radiotherapy and who have missing teeth that require replacement with osseointegrated dental implants

Hyperbaric oxygen (HBO) therapy led to lower preimplantation complications compared with no HBO therapy; GRADE not reported.

1 finding from 1 review

Two lag screws vs One lag screw (with arch bars and IMF)

Restoration of function (occlusion) · Adults (16 to 68 years) with mandibular fractures excluding condylar involvement
1 finding from 1 review
  • Restoration of the original occlusion, assessed visually, was similar in both groups (P>0.05); occlusal correction was not achieved in one participant in the two-lag-screws group. Surrogate/proxy outcome.
    1 study
    GRADE not reported

Zygomatic implants without bone grafts (as a complete alternative to any bone augmentation procedure) vs Conventional dental implants in augmented maxillae

Prosthesis failure · Participants with an atrophic maxilla who cannot be rehabilitated with conventional dental implants due to lack of bone (including…

The review found no eligible studies for this question.

1 finding from 1 review