publication . Article . 2011

Adhesive strength of hydroxyl apatite(HA) coating and biomechanics behavior of HA-coated prosthesis:an experimental study

Tian-yang ZHANG; Yong-hong DUAN; Shu ZHU; Jin-yu ZHU; Qing-sheng ZHU;
Open Access Chinese
  • Published: 01 May 2011 Journal: Medical Journal of Chinese People's Liberation Army (issn: 0577-7402, Copyright policy)
  • Publisher: Editorial Board of Medical Journal of Chinese People's Liberation Army
Abstract
Objective To explore the influence of adhesive strength of hydroxyapatite(HA) coating on the post-implantation stability of HA-coated prosthesis.Methods The adhesive strength and biomechanics behavior of HA coating were studied by histopathological observation,material parameters and biomechanical testing,the titanium(Ti)-coated prosthesis was employed as control.Results Scratch test showed that the adhesive strength of HA coating was significantly lower than that of Ti coating(P < 0.01).Histopathological examination and bone morphometry showed that,at the early stage of prosthesis implantation,the bony growth around HA-coated prosthesis was significantly higher...
Subjects
free text keywords: hydroxyapatites; coated materials,biocompatible; joint prosthesis; biomechanics, Medicine, R, Medicine (General), R5-920
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