1 October 1998 Biocompatibility of Laser-deposited Hydroxyapatite Coatings on Titanium and Polymer Implant Materials
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J. of Biomedical Optics, 3(4), (1998). doi:10.1117/1.429852
Abstract
We have investigated the biocompatibility of calcium phosphate coatings deposited by pulsed laser ablation from hydroxyapatite (HA) targets onto polyethylene and Teflon substrates. It was found that the cell density, attachment, and morphology of primary rat calvaria osteoblasts were influenced by both the original polymer and by the nature of the apatite coatings. HA coatings on Teflon were found to have higher biocompatibility in terms of cell adhesion and spreading. In vivo studies of bone response to coatings deposited by KrF excimer and CO2 lasers on commercial Ti6A14V alloy implants show that both deposition techniques suppress fibrous tissue formation and promote osteogenesis.
Evgueni N. Antonov, Victor N. Bagratashvili, Vladimir K. Popov, Emil N. Sobol, Steven Howdle, Christine Joiner, Kate G. Parker, Terry L. Parker, Alexander A. Doktorov, Valeri B. Likhanov, Alexander I. Volozhin, Sergey Sergeivich Alimpiev, Sergey M. Nikiforov, "Biocompatibility of Laser-deposited Hydroxyapatite Coatings on Titanium and Polymer Implant Materials," Journal of Biomedical Optics 3(4), (1 October 1998). http://dx.doi.org/10.1117/1.429852
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KEYWORDS
Gas lasers

Polymers

Bone

Optical coatings

Carbon monoxide

Excimer lasers

Scanning electron microscopy

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