Octacalcium phosphate coating for 3D printed cranioplastic porous titanium implantsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 12 августа 2020 г.
Аннотация:In the present study, porous three-dimensional (3D) printed titanium (Ti) implants of complex shape and predefined architecture were produced by selective laser sintering (SLS) technique. Electrochemical deposition
combined with biomimetic approach was applied to low-temperature coating of these implants with metastable
octacalcium phosphate (OCP) achieved via chemical transformation of dicalcium phosphate dehydrate (DCPD).
X-ray diffraction (XRD), Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR)
and compressive strength analyses were applied to study the chemical composition, morphology and mechanical
properties of the final OCP coating on the titanium surface. In vivo comparative study of the porous 3D printed
Ti and OCP coated Ti implants has been performed using critical-size crania model, porous 3D printed Ti and
coated implants were compared. A statistically significant difference in the newly formed bone thickness for OCP
coated Ti implants was detected already at 6 weeks after implantation. Our results provide an experimental proof
of a new concept of OCP coating for cranioplasty clinical applications.