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  • Titanium dioxide nanotube modified implants: an animal study on bone formation.

Titanium dioxide nanotube modified implants: an animal study on bone formation.

Journal of nanoscience and nanotechnology (2013-07-19)
Kwi-Dug Yun, Sang-Won Park, Kwang-Min Lee, Hyun-Seung Kim, Mong-Sook Vang, Hong-So Yang, Jeong-Tae Koh, Seong-Soo Kang, Gye-Jeong Oh, Ga-Hyun Kim, Min-Kyung Ji, Gab-Woon Hwang, Hyun-Pil Lim
PMID23862419
ABSTRACT

This study examined the bone response to titanium dioxide nanotube modified implants. A total of 24 implants were placed in the femur of 4 beagles. Before placement, screw-shaped implants were classified into 3 groups; machined surface (group M), titanium dioxide nanotube modification of the machined surface (group MN) and titanium dioxide nanotube modification of the RBM surface (group RN). The texture morphology was observed via scanning electron microscopy. Animals were euthanized after 4 and 12 weeks of submerged healing and the histologic and histomorphometric analyses were performed. Groups MN and RN showed a significantly higher percentage of mineralized bone than that in group M (p < 0.05). The results of this in vivo study constitute significant evidence that the presence of the titanium dioxide nanotubes enhance osseointegration of implants.

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