Findings

What do systematic reviews say?

4 questions · 6 findings · 1 reviews · Implants and prosthodontics

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No studies found 2 · 33.3%GRADE not reported 0 · 0%Very low 4 · 66.7%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Crown failure · Adults (18 years or older) needing a single crown in the molar or premolar region

It is very uncertain whether metal-free single crowns (full-contour zirconia) changes crown failure compared with cast gold (conventional metal) single crowns (very low certainty).

2 findings from 1 review

Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
12 months
OR 0.83 [0.05, 13.44]
1 study · 194 participants
Very low
Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
60 months
OR 17.52 [5.07, 60.54]
1 study · 158 participants
Very low

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Crown complications · Adults (18 years or older) needing a single crown in the molar or premolar region

It is very uncertain whether metal-free single crowns (full-contour zirconia) changes crown complications compared with cast gold (conventional metal) single crowns (very low certainty).

2 findings from 1 review

Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
60 months
OR 1.44 [0.59, 3.52]
1 study · 158 participants
Very low
Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
12 months
OR 4.31 [0.49, 37.57]
1 study · 194 participants
Very low

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Aesthetics · Adults (18 years or older) needing a single crown in the molar or premolar region

The review found no eligible studies for this question.

1 finding from 1 review

Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
No data were presented with regard to aesthetics.
0 studies
No studies found

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Periodontal/peri-implant status and occlusal wear (secondary outcomes) · Adults (18 years or older) needing a single crown in the molar or premolar region

The review found no eligible studies for this question.

1 finding from 1 review

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