Aesthetic and functional of zirconia restorations made with traditional technique and CAD / CAM technology. Prosthetic rehabilitation of a dental patient involves the introduction of an artificial product into a highly dynamic system such as the stomatognathic system. It becomes an integral part both anatomically and functionally. Today prosthetic dentistry has had a strong shift towards ceramic restorations defined as metal free – full ceramic. This type of reconstruction is clearly advantageous in some clinical situations and can guarantee excellent aesthetics. Zirconia is one of the highly innovative materials currently used in prosthetic clinics. a high-strength ceramic material that is proposed as an alternative support to metal for the glass-ceramic coating in restorations intended for all sectors of the oral cavity.