The interface shear strength of uncoated Ti-6A1-4V, dense sintered hydroxyapatite (HA), and HA-coated Ti-6A1-4V were compared. Interface shear strength was determined using a transcortical push-out model in dogs 4 and 12 weeks after implantation. The interface shear strength of dense sintered HA and
The effect of substrate roughness and hydroxyapatite coating thickness on implant shear strength
β Scribed by M. Svehla; P. Morberg; W. Bruce; B. Zicat; W.R. Walsh
- Book ID
- 117834072
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 292 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1532-8406
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We performed a transcortical push-out test to determine the effect of surface roughness of hydroxyapatite (HA)coated implants on bone-implant shear strength in a canine model. Hydroxyapatite-and alumina-coated SUS316L with the same surface roughness (roughness average: Ra = 5 pm) and HA-coated Ti-6A
## Abstract Although ceramics are used for many different biomedical applications they are brittle materials that can be compromised by surface defects when under stress. The objective of this study was to evaluate the effect of surface modification with an yttriaβstabilized zirconia (YSZ) thin fil