A process of using a dental implant for performing an antral procedure. The dental implant comprising an implant body having a proximal portion, a distal portion and at least one internal passageway whereby fluid communication is provided between at least one proximal opening in said proximal portion and at least a first portion of an outside of a distal end of said distal portion via at least one distal opening at or near said distal end. The dental implant is configured for implantation in a position wherein said at least one distal opening being adjacent to or within the sinus cavity and said at least one proximal opening being adjacent to or within the oral cavity, whereby an oro-antral channel is provided allowing for surgically accessing the sinus cavity from the oral cavity via said at least one internal passageway in a minimally invasive manner.
