Microstructural Study of Bone Like Apatite Deposited by a Biomimetic Process: Recent Development

Apatite coatings on Titanium substrates have received widespread attention in the biomedical industry as implant devices for hip replacement and similar surgeries. The microstructural and mechanical properties of apatite films tend to play a very important role in enhancing the osteo-bonding capacities of surgical implants. Implants without such coatings are often dissociated from the host bones due to poor initial bone growth on its surface and stress and strain imbalance-related issues. In this investigation, an effort has been made to study the microstructural properties of the apatite grown on the titanium surfaces by non-destructive X-ray diffraction (XRD), Raman spectra, and FESEM. The analysis revealed that bone-like apatite could be grown successfully over titanium substrates used in the biomedical industry as bone implants. The biomimetic approach helps develop a bone-like apatite layer on the implants which would help in superior osteo-bonding.