Surrounding Tissue Response to Surface-Treated Zirconia Implants.
作者： Yohei Iinuma , Masatsugu Hirota , Tohru Hayakawa , Chikahiro Ohkubo
DOI: 10.3390/MA13010030
关键词:
摘要: Yttria-stabilized tetragonal zirconia polycrystals (Y-TZP), which are partially stabilized zirconia, have been used for fabricating dental implants. This study investigated the soft tissue attachment, collagen fiber orientation to at different surface conditions, and bone response using implantation experiments in animals. The implant surfaces were treated with ultraviolet irradiation (UV), a combination of large-grit sandblasting hydrofluoric acid etching (blastedHF), blastedHF UV (blastedHF+UV). blastedHF+UV appeared rough hydrophilic. be superhydrophilic. Subsequently, tapered cylindrical implants placed alveolar sockets maxillary molars rats. bone-to-implant contact ratio was significantly higher than that non-treated controls UV-treated four surface-treated demonstrated tight attachments. Perpendicularly oriented fibers towards more prominent compared area attachment greatest perpendicularly blastedHF+UV-treated In conclusion, treatment could beneficial ensuring greater soft-tissue
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