Abstract
Hydroxyapatite (Ca10(PO4)6(OH)2, HA) is materials mainly known for its special ability to contact bone tissue. In this study, bone like apatite formation was investigated at the titanium (Ti) surface with functional groups, –COOH, –NH2, and –OH respectively. Ti surface was modified by depositing a thin polymeric film containing COOH, NH2, and OH groups through plasma polymerization of acrylic acid, ally amine and allyl alcohol. Plasma polymerization carried out at a discharge power of 50W for 5min. Modified Ti samples were evaluated by immersed in simulated body fluid at 36.5°C for 4days and 7days. COOH/Ti was favorable for bone-like apatite formation when compared with untreated Ti, NH2/Ti and OH/Ti.
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