B. Ünalan Değirmenci and N. M. Ersoy, “The effects of current production techniques on the surface roughness, oxide layer thickness and porcelain bond strength of cobalt-chromium and titanium substructures”, Int Dent Res, vol. 11, no. 3, pp. 129–139, Dec. 2021, doi: 10.5577/intdentres.2021.vol11.no3.1.