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Purpose
This in vitro study evaluated the fracture strength of screw‐retained zirconia crowns connected to zirconia (Zr) and titanium (Ti) implants after undergoing a simulation of 5 years of clinical use.
Materials and methods
Forty‐eight screw‐retained zirconia crowns were fabricated and assembled on four implant systems, with 12 in each group: (1) Zr implant (pure ceramic; Straumann AG) (PZr);...
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