What do systematic reviews say?

2 questions · 3 findings · 1 reviews · Dental caries

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 3 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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 implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Implant crown complications · 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-supported single crowns (zirconia veneered with… changes implant crown complications compared with metal-ceramic implant-supported single crowns (very low certainty).

1 finding from 1 review

Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
24 months
OR 6.33 [0.26, 152.86]
1 study · 18 participants
Very low