What do systematic reviews say?

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

The review found no eligible studies for this question.

• Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
  No data were presented for any of the pre-specified secondary outcomes. Follow-up visits registered pocket depth, bleeding on probing and mobility but the data were not reported.
  0 studies
  No studies found

Metal-free tooth-supported FDPs (pressed veneering ceramic) vs Metal-free tooth-supported FDPs (layered veneering ceramic)

• Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
  No comparative data were presented for the pre-specified secondary outcomes. The trial analyzed and reported plaque index, bleeding on probing and pocket probing depth but no between-group estimate was presented in the…
  1 study
  GRADE not reported

Metal-free FDPs (zirconia ceramic) vs Metal-ceramic FDPs

The review found no eligible studies for this question.

• Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
  No data were presented for any of the pre-specified secondary outcomes. The trial registered pocket depth, bleeding on probing and mobility at follow-up visits but did not report the data.
  0 studies
  No studies found

Metal-free FDPs (lithium disilicate) vs Metal-ceramic FDPs

The review found no eligible studies for this question.

• Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
  No data were presented for any of the pre-specified secondary outcomes.
  0 studies
  No studies found