Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,954 questions · 2,335 findings · 149 reviews · Oral Health

No studies found 436 · 18.7%GRADE not reported 1,370 · 58.7%Very low 254 · 10.9%Low 173 · 7.4%Moderate 80 · 3.4%High 22 · 0.9%

Resorbable (bioresorbable) plates or screws for fixation vs Titanium plates or screws for fixation

Healing and union of fracture (versus mal-union and non-union) · Adults over 18 years of age with fractures of the facial skeleton including the mandible, maxilla, zygoma (malar); studies on fractures of…

The review found no eligible studies for this question.

1 finding from 1 review
  • Resorbable versus titanium plates for facial fractures 2009 · Cochrane All outcomes
    Up to 3 years postoperatively
    Planned primary outcome not assessed: none of the retrieved studies met the inclusion criteria, so no data were available for analysis. Verbatim (Effects of interventions): "Although 53 studies were retrieved in our…
    0 studies
    No studies found

Resin-modified glass ionomer (Vitremer) vs Amalgam restoration

Replacement (failure) of Class II restoration at 12 months · Children aged 12 years or younger with tooth decay involving at least one tooth in the primary dentition, symptomatic or symptom free

Resin-modified glass ionomer (Vitremer) showed no clear difference in replacement (failure) of Class II restoration at 12 months compared with amalgam; GRADE not reported.

1 finding from 1 review

Aesthetic (resin-veneered) crowns vs Conventional metal (stainless steel) crowns

Gingival health at 6 months · Children aged 12 years or younger with tooth decay involving at least one tooth in the primary dentition, symptomatic or symptom free

Aesthetic (resin-veneered) crowns showed no clear difference in gingival health at 6 months compared with conventional metal (stainless steel) crowns; GRADE not reported.

1 finding from 1 review

Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment)

Adverse effects (e.g. thermal sensitivity, over-eruption, TMJ symptoms, poor aesthetics, reduced oral hygiene) · Adults with chronic periodontitis

The review found no eligible studies for this question.

1 finding from 1 review

Ultrasonic instrumentation used alone (any ultrasonic device designed specifically for root canal treatment and capable of the active or passive removal of dentine within the root canal) vs Hand instrumentation used alone (files and reamers used manually)

Outcome not reported · People over 18 years of age with single or multiple permanent teeth with a completely formed apex and no evidence of internal resorption,…

The review found no eligible studies for this question.

1 finding from 1 review

Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment)

Change in probing pocket depth (PPD) · Adults with chronic periodontitis

Occlusal adjustment as an adjunct to non-surgical periodontal therapy showed no clear difference in probing (pocket) depth change (difference in mean reduction, mm) compared with non-surgical periodontal therapy alone (no occlusal adjustment); GRADE not reported.

1 finding from 1 review

Hand instrumentation in conjunction with (as an adjunct to) an ultrasonic device designed specifically for root canal treatment and capable of the active or passive removal of dentine within the root canal vs Hand instrumentation used alone (files and reamers used manually)

Outcome not reported · People over 18 years of age with single or multiple permanent teeth with a completely formed apex and no evidence of internal resorption,…

The review found no eligible studies for this question.

1 finding from 1 review

Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment)

Attachment change · Adults with chronic periodontitis

Occlusal adjustment as an adjunct to surgical periodontal therapy led to higher clinical attachment level change (mean gain, mm) compared with surgical periodontal therapy alone (no occlusal adjustment); GRADE not reported.

1 finding from 1 review

Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment)

Adverse effects (e.g. thermal sensitivity, over-eruption, TMJ symptoms, poor aesthetics, reduced oral hygiene) · Adults with chronic periodontitis

The review found no eligible studies for this question.

1 finding from 1 review

One type of occlusal intervention as an adjunct to periodontal therapy vs A different type of occlusal intervention as an adjunct to periodontal therapy (head-to-head)

Outcome not reported · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis

The review found no eligible studies for this question.

1 finding from 1 review

Occlusal intervention as an adjunct to periodontal therapy vs Sham (placebo) occlusal intervention as an adjunct to periodontal therapy

Outcome not reported · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis

The review found no eligible studies for this question.

1 finding from 1 review

Occlusal adjustment as an adjunct to surgical periodontal therapy vs Surgical periodontal therapy alone (no occlusal adjustment)

Change in probing pocket depth (PPD) · Adults with chronic periodontitis

Occlusal adjustment as an adjunct to surgical periodontal therapy showed no clear difference in probing (pocket) depth change (difference in mean reduction, mm) compared with surgical periodontal therapy alone (no occlusal adjustment); GRADE not reported.

1 finding from 1 review

Occlusal adjustment as an adjunct to non-surgical periodontal therapy vs Non-surgical periodontal therapy alone (no occlusal adjustment)

Attachment change · Adults with chronic periodontitis

Occlusal adjustment as an adjunct to non-surgical periodontal therapy led to higher clinical attachment level change (mean gain, mm) compared with non-surgical periodontal therapy alone (no occlusal adjustment); GRADE not reported.

1 finding from 1 review

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

Sites failing to gain 2 mm attachment (proportion) · Patients with chronic periodontitis (aged 21 years or older) with periodontal infra-bony defects; furcation-involved teeth and aggressive…

Guided tissue regeneration (GTR) with barrier membrane (resorbable… led to lower sites failing to gain 2 mm attachment (proportion) compared with open flap debridement (access flap surgery); GRADE not reported.

1 finding from 1 review

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

Aesthetics · Patients with chronic periodontitis (aged 21 years or older) with periodontal infra-bony defects; furcation-involved teeth and aggressive…

The review found no eligible studies for this question.

1 finding from 1 review

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

Change in gingival recession (REC) · Patients with chronic periodontitis (aged 21 years or older) with periodontal infra-bony defects; furcation-involved teeth and aggressive…

Guided tissue regeneration (GTR) with barrier membrane (resorbable… led to higher change in gingival recession compared with open flap debridement (access flap surgery); GRADE not reported.

1 finding from 1 review