The effect of different titanium and hydroxyapatite-coated dental implant surfaces on phenotypic expression of human bone-derived cells

Journal of Biomedical Materials Research. Part a
C KnabeHala Zreiqat

Abstract

Roughened titanium (Ti) surfaces have been widely used for dental implants. In recent years, there has been the tendency to replace Ti plasma-sprayed surfaces by sandblasted and acid-etched surfaces in order to enhance osseous apposition. Another approach has been the utilization of hydroxyapatite (HA)-coated implants. This study examines the effect of two roughened Ti dental implant surfaces on the osteoblastic phenotype of human bone-derived cells (HBDC) and compares this behavior to that for cells on an HA-coated surface. Test materials were an acid-etched and sandblasted Ti surface (Ti-DPS), a porous Ti plasma-sprayed coating (Ti-TPS), and a plasma-sprayed porous HA coating (HA). Smooth Ti machined surfaces served as control (Ti-ma). HBDC were grown on the substrata for 3, 7, 14, and 21 days, counted and probed for various bone-related mRNAs and proteins (type I collagen, osteocalcin, osteopontin, osteonectin, alkaline phosphatase, and bone sialoprotein). All dental implant surfaces significantly affected cellular growth and the temporal expression of an array of bone-related genes and proteins. HA-coated Ti had the most effect on osteoblastic differentiation inducing a greater expression of an array of osteogenic markers t...Continue Reading

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Citations

Mar 19, 2014·International Journal of Molecular Sciences·Young-Dan ChoJung-Suk Han
Jun 5, 2008·Journal of Biomedical Materials Research. Part a·Chaoyuan WangHala Zreiqat
Jun 21, 2011·Clinical Implant Dentistry and Related Research·Marcus Oliver KleinBilal Al-Nawas
Jul 2, 2009·Journal of Biomedical Materials Research. Part a·Quan YuanPing Gong
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Sep 30, 2006·Journal of Biomedical Materials Research. Part a·Dai-Chian ChenHen-Li Chen
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Dec 19, 2009·The International Journal of Artificial Organs·Paolo GiannoniRoberto Chiesa
Sep 15, 2017·Journal of Materials Science. Materials in Medicine·S Swain, T R Rautray

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