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Int. J. Mol. Sci. 2018, 19(5), 1274; https://doi.org/10.3390/ijms19051274

Effect of Amelogenin Coating of a Nano-Modified Titanium Surface on Bioactivity

1
Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata-shi, Osaka 573-1121, Japan
2
Osaka Dental University Japan Faculty of Health Sciences, 1-4-4, Makino-honmachi, Hirakata-shi, Osaka 573-1144, Japan
3
Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata-shi, Osaka 573-1121, Japan
*
Author to whom correspondence should be addressed.
Received: 29 March 2018 / Revised: 19 April 2018 / Accepted: 20 April 2018 / Published: 24 April 2018
(This article belongs to the Collection Bioactive Nanoparticles)
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Abstract

The interactions between implants and host tissues depend on several factors. In particular, a growing body of evidence has demonstrated that the surface texture of an implant influences the response of the surrounding cells. The purpose of this study is to develop new implant materials aiming at the regeneration of periodontal tissues as well as hard tissues by coating nano-modified titanium with amelogenin, which is one of the main proteins contained in Emdogain®. We confirmed by quartz crystal microbalance evaluation that amelogenin is easy to adsorb onto the nano-modified titanium surface as a coating. Scanning electron microscopy, scanning probe microscopy, X-ray photoelectron spectroscopy, and Fourier-transform infrared spectroscopy analyses confirmed that amelogenin coated the nano-modified titanium surface following alkali-treatment. In vitro evaluation using rat bone marrow and periodontal ligament cells revealed that the initial adhesion of both cell types and the induction of hard tissue differentiation such as cementum were improved by amelogenin coating. Additionally, the formation of new bone in implanted surrounding tissues was observed in in vivo evaluation using rat femurs. Together, these results suggest that this material may serve as a new implant material with the potential to play a major role in the advancement of clinical dentistry. View Full-Text
Keywords: amelogenin; nanostructure; host-implant interaction; tissue regeneration amelogenin; nanostructure; host-implant interaction; tissue regeneration
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Terada, C.; Komasa, S.; Kusumoto, T.; Kawazoe, T.; Okazaki, J. Effect of Amelogenin Coating of a Nano-Modified Titanium Surface on Bioactivity. Int. J. Mol. Sci. 2018, 19, 1274.

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