Abstract
Ti and their alloys are commonly used metallic implants due to their good bio-activity. Post-surgery reflects inferior osseointegration that makes the material unhealthy in the long run after surgery. In this regard, surface characteristic remains one of the most trivial and incurable problems for hard tissue application. In the present study, Nano-Dicalcium Phosphate Dihydrate (DCPD) Coatings were deposited over anodized TiO2 Nanotubes and its structural, surface and in-vitro study has been done. Surface transitions from the contact angle analyser reveal hydrophilic to super-hydrophilic surfaces have been achieved over Ti6Al4V alloy. The highest absorbance value has been observed on TTOAD compared to TD in both 24 h and 48 h. FESEM Mapping and EDS unveil that the distribution of elements is not homogenous entirely. However, the AFM result reveals that the distribution of an ex-situ deposited layer is enriched in Calcium-Phosphorus elements and has distinct irregular topography. Besides more surface roughness value has been revealed in TTOAD surface. Optical density (O.D.) value at 570 nm with ∼ 1.09 O.D. at 24 h and ∼1.3 O.D. at 48 h was obtained on the TTOAD specimen reflecting the best cell proliferation of MG-63 compared to TD. In addition, superhydrophilicity with ∼8.5° contact angle was gained at TTOAD compared to TD and TTOCD specimens.
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