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Evidence found and GRADE certainty

366 questions · 379 findings · 22 reviews · Implants and prosthodontics · related questions CL0289

No studies found 51 · 13.5%GRADE not reported 248 · 65.4%Very low 65 · 17.2%Low 9 · 2.4%Moderate 6 · 1.6%High 0 · 0%

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
Show 1 more finding

Metal-free cantilevered FDPs (feldspathic-veneered zirconia) vs Metal-ceramic cantilevered FDPs

Cantilevered bridge failure · Adults (18 years or older) needing replacement of one premolar or incisor with a cantilevered fixed dental prosthesis
1 finding from 1 review

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

Aesthetics · Adults (18 years or older) needing a three-unit tooth-supported fixed dental prosthesis
1 finding from 1 review
  • No comparative data were presented with regard to aesthetics. Aesthetics evaluated by the patient was reported dichotomously (yes/no) in the trial but no between-group estimate was presented.
    1 study
    GRADE not reported

Metal-free implant abutments (zirconia) vs Metal implant abutments (titanium)

Abutment failure · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant abutments (zirconia) changes abutment failure compared with metal implant abutments (titanium) (very low certainty).

1 finding from 1 review

Metal-free cantilevered FDPs (feldspathic-veneered zirconia) vs Metal-ceramic cantilevered FDPs

Cantilevered bridge complications · Adults (18 years or older) needing replacement of one premolar or incisor with a cantilevered fixed dental prosthesis

It is very uncertain whether metal-free cantilevered FDPs (feldspathic-veneered zirconia) changes cantilevered bridge complications compared with metal-ceramic cantilevered FDPs (very low certainty).

2 findings from 1 review

Metal-free implant abutments (zirconia) vs Metal implant abutments (titanium)

Implant probing pocket depth (PPD) · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

Metal-free implant abutments (zirconia) showed no clear difference in implant probing pocket depth (PPD) compared with metal implant abutments (titanium); GRADE not reported.

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 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

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

Bridge failure · Adults (18 years or older) needing a three-unit tooth-supported fixed dental prosthesis
1 finding from 1 review

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

Bridge failure · Adults (18 years or older) needing a three-unit fixed dental prosthesis (FDP)

It is very uncertain whether metal-free FDPs (lithium disilicate) changes bridge failure compared with metal-ceramic FDPs (very low certainty).

2 findings from 1 review

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

Patient satisfaction (measured by patient satisfaction or aesthetic scales) · Adults (18 years or older) needing a three-unit fixed dental prosthesis (FDP)

It is very uncertain whether metal-free FDPs (zirconia ceramic) changes aesthetic evaluation (patient aesthetic satisfaction changes) compared with metal-ceramic FDPs (very low certainty).

1 finding from 1 review

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

Bridge complications · Adults (18 years or older) needing a three-unit tooth-supported fixed dental prosthesis

It is very uncertain whether metal-free tooth-supported FDPs (pressed veneering ceramic) changes bridge complications compared with metal-free tooth-supported FDPs (layered veneering ceramic) (very low certainty).

1 finding from 1 review

Metal-free implant abutments (zirconia) vs Metal implant abutments (titanium)

Aesthetics · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown
1 finding from 1 review
  • Primary outcome aesthetic evaluation data were reported as the frequency of distribution of the Implant Crown Aesthetic Index (ICAI); no comparative summary estimate was presented.
    2 studies · 47 participants
    Very low

Metal-free cantilevered FDPs (feldspathic-veneered zirconia) vs Metal-ceramic cantilevered FDPs

Aesthetics evaluated by the patient · Adults (18 years or older) needing replacement of one premolar or incisor with a cantilevered fixed dental prosthesis

It is very uncertain whether metal-free cantilevered FDPs (feldspathic-veneered zirconia) changes aesthetic evaluation (patient VAS) compared with metal-ceramic cantilevered FDPs (very low certainty).

1 finding from 1 review

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

Patient satisfaction · Patients with missing teeth and an atrophic posterior maxilla, with residual bone height between 4 and 9 mm below the maxillary sinus
1 finding from 1 review