Marginal integrity of cubic zirconia inlay-retained fixed partial dentures

“Katana”, cubic Zirconia firstly introduced on the market by Kuraray Noritake Dental Inc., Tokyo, Japan has been introduced as a new restorative material for Inlay-retained fixed partial dentures (IRFPDs), replacing missing dentition. Various studies already exist on Zirconia on literature have been conducted on the flexural strength of such restorations; however, there is a lack of evidence on their marginal integrity i.e. the capability of the material to guarantee along the time the same mechanical and functional performances. Evaluating the marginal integrity and the overall material behaviour of three different designs of IRFPD using monolithic translucent zirconia, “Katana”.