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Abstract
To investigate biointegration properties of implants made of gold, platinum and platinum-gold alloy. The study enrolled 4 Chinchilla rabbits (8 eyelids). Palpebral implants manufactured of gold, platinum and platinum-gold alloy were placed into the eyelids of the experimental animals. The morphological examination was performed 1 and 6 months after the implantation using paraffin sections. Light microscopy revealed that the implant beds were surrounded by pronounced fibrovascular capsule of uneven thickness over the whole follow-up. The capsule formed after the placement of an implant made of gold and platinum alloy was more loose. However, the emerging connective tissue bridges of the capsule contributed to its immobilization in the tissues and lower risk of extrusion. No signs of an inflammatory and/or allergic reaction were observed in any of the cases. The obtained results show that implants made of a 90/10% platinum-gold alloy and 999.9 fine platinum have similar biointegration in terms of morphological features during 6 months of the follow-up period.
Published Version
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