Alhilfi, Mustafa Sh., and Athra’a Y. Al-Hijazi. “Physical and Histological Evaluation of Coated Implant With Nano ZrO2 After Creation Titania Nanotubes”. Journal of Baghdad College of Dentistry, vol. 28, no. 4, Dec. 2016, pp. 89-95, https://doi.org/10.12816/0033217.