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J. Funct. Biomater. 2015, 6(1), 143-152; doi:10.3390/jfb6010143

Influence of Implant Surface Topography on Primary Stability in a Standardized Osteoporosis Rabbit Model Study

1
Department of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
2
Department of Medical, Oral and Biotechnological Sciences, Chieti-Pescara University, Chieti-Via dei Vestini, 31, Chieti 66100, Italy
3
Department of Prosthetic Dentistry School of Dentistry, Ohu University, 31-1 sankakudo, Kooriyama, Fukushima 963-8611, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Francesco Puoci
Received: 8 February 2015 / Accepted: 9 March 2015 / Published: 18 March 2015
(This article belongs to the Special Issue Feature Papers)
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Abstract

Evaluating primary stability is important to predict the prognosis of dental implant treatment. Primary stability is decreased in a low bone density site such as osteoporosis. However, it is difficult to apply in small animal and the effect of the different implant surface topography for the primary stability at low bone density site has not yet fully been investigated. The purpose of the present study was to evaluate the influence of implant surface topography on primary stability in a standardized osteoporosis animal model. Six rabbits underwent ovariectomy and administrated glucocorticoid to induce an osteoporosis model. Sham-operations were performed in additional six rabbits. Implants with machined or oxidized-surfaces were inserted into the femur epiphyses and insertion torque (IT) and implant stability quotient (ISQ) were measured. In sham model, the IT and ISQ did not differ significantly between the both implant. However, the IT value of oxidized-surface implant was significantly higher than that of the machined implant in the osteoporosis model. Meanwhile, ISQ did not significantly differ between the machined and oxidized-surfaced implants. In conclusion, the IT of implants is higher with rough than with smooth surfaces but that there are no differences in ISQ value between different surfaces in a standardized osteoporosis bone reduced rabbit model. View Full-Text
Keywords: primary stability; osteoporosis; glucocorticoid; implant surface; rabbit model primary stability; osteoporosis; glucocorticoid; implant surface; rabbit model
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Oue, H.; Doi, K.; Oki, Y.; Makihara, Y.; Kubo, T.; Perrotti, V.; Piattelli, A.; Akagawa, Y.; Tsuga, K. Influence of Implant Surface Topography on Primary Stability in a Standardized Osteoporosis Rabbit Model Study. J. Funct. Biomater. 2015, 6, 143-152.

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J. Funct. Biomater. EISSN 2079-4983 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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