Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,556 questions · 2,794 findings · 119 reviews · Oral Health

No studies found 489 · 17.5%GRADE not reported 1,719 · 61.5%Very low 399 · 14.3%Low 128 · 4.6%Moderate 58 · 2.1%High 1 · 0%

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

DHAT-delivered dental care vs Dentist-delivered dental care

Technical performance / deficient restorations (DHATs vs dentists) · Alaska Native dental patients (children aged 6-17 and adults) and their caregivers

DHATs had a lower amalgam restoration deficiency rate than dentists (12% vs 22%; certainty not graded).

3 findings from 1 review

DHAT-delivered dental care vs Not applicable (single-group prevalence)

Clinical care quality · Alaska dental health aide therapists

Four newly trained DHATs met stated clinical care standards in a qualitative evaluation, without a GRADE rating.

1 finding from 1 review

Hyperbaric oxygen vs No HBO therapy

Prosthetic failure (2 years) · Patients who have had radiotherapy and who have missing teeth that require replacement with osseointegrated dental implants

It is very uncertain whether hyperbaric oxygen (HBO) therapy changes prosthetic failure compared with no HBO therapy (very low certainty).

1 finding from 1 review

A permanent restorative material or technique (e.g. amalgam; glass ionomer (type I-IV); composite resin (macrofilled, microfilled, hybrid, nanofilled); resin-modified glass ionomer (compomer, giomer); cement/cermet; stainless steel or nickel-chrome crown; pre-fabricated resin/porcelain veneer facing; microabrasion) vs A different permanent restorative material or technique

Outcome not reported · Children and adolescents under 18 years with amelogenesis imperfecta requiring restorative care of anterior teeth, irrespective of…

The review found no eligible studies for this question.

1 finding from 1 review

Open (surgical) reduction and fixation vs Closed (non-surgical) treatment

Outcome not reported · Adults (16 to 68 years) with mandibular fractures excluding condylar involvement

The review found no eligible studies for this question.

1 finding from 1 review
  • "There were no studies comparing different types of closed interventions with one another or comparing open and closed interventions." "We found no studies that compared surgical with non-surgical treatments."
    0 studies
    No studies found

Transbuccal miniplate combined with intraoral approach vs Intraoral approach alone

Restoration of function (malocclusion; interincisor mouth opening) · Adults with fractures of the mandibular angle
1 finding from 1 review
  • Interventions for the management of mandibular fractures 2013 · Cochrane All outcomes
    3 months · Angle of mandible only
    Persistent malocclusion was minimal, reported in one participant in each group at the 3-month follow-up. Mean interincisor mouth opening at 3 months 37.68 mm (range 17 to 50) combined approach vs 38.19 mm (range 22 to…
    1 study
    GRADE not reported