Histomorphometric evaluation of an implant with a nanotubular surface treatment in a beagle femur |
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Authors: | Lim Hyunpil Lee Kwangmin Vang Mongsook Yang Hongso Yun Kwidug Oh Gyejeong Koh Jeongtae Kim Oksu Kook Minsuk Kang Seongsoo Park Sangwon |
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Affiliation: | Department of Prosthodontics, School of Dentistry, Chonnam National University, Gwangju 500-757, Korea. |
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Abstract: | This study examined the effects of a nanotubular surface treatment on an implant by anodic oxidation. Forty two screw-shaped implants were classified into 3 groups; machined surface (control group), nanotube formation on the machined surface (group N) and nanotube formation on the RBM surface (group RN). A total of 36 implants were inserted into a beagle femur. Two implants from each group were observed by scanning electron microscopy. Histomorphometric analyses were performed after 4 and 12 weeks. After 4 weeks, the average bone to implant contact (BIC) ratio of groups N and RN was significantly higher than that of the control group (P < .05). After 12 weeks, a nanotubular surface treatment showed a significantly higher BIC ratio only in the marrow space adjacent to the implant apex (P < .05). This in vivo study revealed the enhanced osseointegration of nanotubes. |
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