Maxillary sinus lift is a safe and effective surgical treatment that has been applied for years. However, its effectiveness depends on many factors, among which the type of bone substitute used for the graft This article describes the results achieved in a major sinus lift and in the following two steps implant rehabilitation by an equine heterologous bone substitute used together with autologous
... [Show full abstract] bone. Histological tests, performed during a second surgical time one year after the graft, showed that the graft was vital. The bone substitute underwent total physiologic remodelling and it was completely substituted by newly formed endogenous patient's bone.