Abstract
Good quality crystalline sol-derived Hydroxyapatite (HA) thin films of thickness ~350 nm on titanium substrates with underlying micro-channels were prepared by microwave annealing at a temperature of 400 °C for 30 min. A comprehensive in-vitro study was conducted to assess the osteoblast adhesive response to the well-defined micro-scale topographical features on HA coated and uncoated surfaces. The study confirmed the osteoblast’s response to the HA coated micro-channels with an elongated morphology. The effects to morphology suggest that osteoblast adhesion can be improved through optimal micro-channel design and may provide baseline design cues for improving the longterm performance of prosthetic orthopedic and dental implants.
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