SummaryThree types of dense alumina oxide ceramic (A1203 99.7%. MgO 0.3%; density more than 3.9 g/cm3 differing only in their average grain size (5-15p ) and stainless steel (V4A) plates were implanted into the left femur of male Wistar rats 6 months old. Light and scanning electron microscopic techniques were used to investigate tissue reaction and the ceramic surface. Both ceramic and stainless steel plates were surrounded by a soft tissue layer that differed greatly depending on the implant type in respect…
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