Khraisat A., Abu-Hammad O., Dar-Odeh N., Al-Kayed A. M., 2004, Abutment Screw Loosening and Bending Resistance of External Hexagon Implant System after Lateral Cyclic Loading, Clinical Implant Dentistry and Related Research, Vol. 6, No. 3, pp. 157-164

Kano S. C., Bonfante G., Curtis D. A., 2006, Effect of Casting Procedures on Screw Loosening in UCLA-Type Abutments, Journal of Prosthodontics, Vol. 15, No. 2, pp. 77-81

Bordin D., Coelho P. G., Bergamo E. T. P., Bonfante E. A., Witek L., Cury A., 2018, The Effect of DLC-Coating Deposition Method on the Reliability and Mechanical Properties of Abutment’s Screws, Dental Materials, Vol. 34, No. 6, pp. e128-e137

Olmedo M.M., Godino F.J.I., Liétor P.F., Iglesias F.A.C., 2017, Corrosion and Fracture Analysis in Screws of Dental Implants Prostheses. New Coatings, Engineering Failure Analysis, Vol. 82, pp. 657-665

Xie Y., Zhou J., Wei Q., Yu Z.M., Tang Z.G., 2016, Improving the Long-Term Stability of Ti6Al4V Abutment Screw by Coating Micro/Nano-Crystalline Diamond Films, J. of the Mechanical Behavior of Biomedical Materials, Vol. 63, pp. 174-182

Elias C.N., Figueira D.C., Rios P.R., 2006, Influence of the Coating Material on the Loosing of Dental Implant Abutment Screw Joints, Materials Science and Engineering C, Vol. 26, No. 8, pp. 1361-1366

Choe H.C., Lee C.H., Jeong Y.H., Ko Y.M., Son M.K., Chung C.H., 2011, Fatigue Fracture of Implant System Using TiN and WC Coated Abutment Screw, Procedia Engineering, Vol. 10, pp. 680-685

Croccolo D., Agostinis M. De, Fini S., Olmi G., 2017, Tribological Properties of Bolts Depending on Different Screw Coatings and Lubrications:An Experimental Study, Tribology International, Vol. 107, pp. 199-205

Kapsokalyvas D., Hoof M. V., Wigren S., Chimhanda T., Kuijipers H. J., Rmaekers F. C. S., Stokroos R. J., Zandv-oort M. A. M. J., 2017, Investigating the Race for the Surface and Skin Integration in Clinically Retrieved Abutments with Two-Photon Microscopy, Colloids and Surfaces B: Biointerfaces, Vol. 159, pp. 97-107