A dental implant system comprising; - a cylindrical titanium solid sinus implant, comprising a cylindrical sinus port (1.1) suitable to be positioned within the sinus and a cylindrical bone port (1.2) that is suitable to be positioned within the maxillary bone under the sinus bottom, wherein the diameter of cylindrical sinus port (1.1) is smaller than the diameter of the cylindrical bone port (1.2), wherein the cylindrical sinus port (1.1) and the cylindrical bone port (1.2) are provided with a grooved exterior surface, - a sinus drill comprising: a cylindrical cutting part (2.1) having a grooved exterior surface which is located at the proximal end of the sinus drill, said cutting part (2.1) being configured for creating the necessary bone cavity for the sinus implant at the sinus bottom by drilling during implementation of said sinus implant, a cylindrical part without grooves (2.2) located under the cutting part (2.1) and configured to act as a stopper and enabling that the cavity drilled at the sinus bottom is drilled at a certain depth and a drill handle (2.3) which is located at the distal end of the sinus drill and functioning as a support for the other elements of the sinus drill, and which is longer than the cutting part (2.1); wherein the cutting part (2.1) has identical height with the sinus port (1.1) of the sinus implant; wherein the cylindrical part without grooves (2.2) is located between the cylindrical cutting part (2.1) and the drill handle (2.3); wherein the cylindrical cutting part (2.1) has a diameter larger than the diameter of the drill handle (2.3) and has a diameter smaller than the diameter of the cylindrical part without grooves (2.2); and the drill handle (2.3) has a diameter smaller than the diameter of the cylindrical cutting part (2.1) and smaller than the diameter of the cylindrical part without grooves (2.2), - a port graft that is configured for injecting bone graft into a cavity formed within the sinus. - a cylindrical titanium solid sinus implant, comprising a cylindrical sinus port (1.1) suitable to be positioned within the sinus and a cylindrical bone port (1.2) that is suitable to be positioned within the maxillary bone under the sinus bottom, wherein the diameter of cylindrical sinus port (1.1) is smaller than the diameter of the cylindrical bone port (1.2), wherein the cylindrical sinus port (1.1) and the cylindrical bone port (1.2) are provided with a grooved exterior surface, - a sinus drill comprising: a cylindrical cutting part (2.1) having a grooved exterior surface which is located at the proximal end of the sinus drill, said cutting part (2.1) being configured for creating the necessary bone cavity for the sinus implant at the sinus bottom by drilling during implementation of said sinus implant, a cylindrical part without grooves (2.2) located under the cutting part (2.1) and configured to act as a stopper and enabling that the cavity drilled at the sinus bottom is drilled at a certain depth and a drill handle (2.3) which is located at the distal end of the sinus drill and functioning as a support for the other elements of the sinus drill, and which is longer than the cutting part (2.1); wherein the cutting part (2.1) has identical height with the sinus port (1.1) of the sinus implant; wherein the cylindrical part without grooves (2.2) is located between the cylindrical cutting part (2.1) and the drill handle (2.3); wherein the cylindrical cutting part (2.1) has a diameter larger than the diameter of the drill handle (2.3) and has a diameter smaller than the diameter of the cylindrical part without grooves (2.2); and the drill handle (2.3) has a diameter smaller than the diameter of the cylindrical cutting part (2.1) and smaller than the diameter of the cylindrical part without grooves (2.2), - a port graft that is configured for injecting bone graft into a cavity formed within the sinus.