Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

859 questions · 901 findings · 80 reviews

No studies found 247 · 27.4%GRADE not reported 170 · 18.9%Very low 224 · 24.9%Low 136 · 15.1%Moderate 90 · 10%High 34 · 3.8%

Ceramic implant abutment vs Metal implant abutments (titanium)

Overall success rate · Patients receiving implant-supported single crowns / short-span FDPs
1 finding from 1 review
  • Andersson 2003: 94% (16/17) ceramic vs 100% (12/12) titanium; Andersson 2001: 93% (28/30) ceramic vs 100% (35/35) titanium; no statistical analysis provided; no measurable / non-significant differences in alveolar bone…
    2 studies · 107 participants
    GRADE not reported

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Cost of the intervention · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Patient satisfaction / quality of life (validated measure) · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Catastrophic failure of the restored tooth or restoration leading directly to extraction · People with a permanent tooth that has undergone endodontic (root canal) treatment
1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Periodontal health status · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Non-catastrophic failure of the post · People with a permanent tooth that has undergone endodontic (root canal) treatment

It is very uncertain whether single full-coverage metal-ceramic crown over composite core and post changes non-catastrophic failure of the post compared with direct adhesive composite restoration with post (conventional… (very low certainty).

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Incidence or recurrence of caries (assessed clinically or by radiographs) · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Non-catastrophic failure of the restoration (requiring further treatment) · People with a permanent tooth that has undergone endodontic (root canal) treatment

It is very uncertain whether single full-coverage metal-ceramic crown over composite core and post changes non-catastrophic failure of the restoration (requiring further… compared with direct adhesive composite restoration with post (conventional… (very low certainty).

1 finding from 1 review

Inflammatory bowel disease (IBD) vs Healthy controls without IBD

Periodontal disease (periodontitis) coincidence · Patients with inflammatory bowel disease (IBD) and controls without IBD; mostly adults (one pediatric study), both sexes

Patients with IBD have about 2.5-fold higher odds of coexisting periodontal disease than healthy controls (pooled OR 2.49, 95% CI 1.97-3.15; 6 studies; not GRADE-rated).

1 finding from 1 review

Metal-free implant-supported FDPs (zirconia-toughened alumina; In-Ceram Zirconia) vs Metal-free implant-supported FDPs (yttria-stabilized tetragonal zirconia; Denzir)

Periodontal/peri-implant status (secondary outcomes) · Adults (18 years or older) needing an implant-supported fixed dental prosthesis in the posterior region

The review found no eligible studies for this question.

1 finding from 1 review

Metal-free implant-supported FDPs (zirconia-toughened alumina; In-Ceram Zirconia) vs Metal-free implant-supported FDPs (yttria-stabilized tetragonal zirconia; Denzir)

Bridge complications · Adults (18 years or older) needing an implant-supported fixed dental prosthesis in the posterior region

It is very uncertain whether metal-free implant-supported FDPs (zirconia-toughened alumina;… changes bridge complications compared with metal-free implant-supported FDPs (yttria-stabilized tetragonal… (very low certainty).

4 findings from 1 review
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Metal-free implant-supported FDPs (zirconia-toughened alumina; In-Ceram Zirconia) vs Metal-free implant-supported FDPs (yttria-stabilized tetragonal zirconia; Denzir)

Bridge failure · Adults (18 years or older) needing an implant-supported fixed dental prosthesis in the posterior region
1 finding from 1 review

Metal-free implant-supported FDPs (zirconia-toughened alumina; In-Ceram Zirconia) vs Metal-free implant-supported FDPs (yttria-stabilized tetragonal zirconia; Denzir)

Aesthetics · Adults (18 years or older) needing an implant-supported fixed dental prosthesis in the posterior region

The review found no eligible studies for this question.

1 finding from 1 review