A tool (100, 200) for use in dental implant treatments, comprising: - a handle (102, 202); - a shaft (103, 203) connected to the handle (102, 202), wherein the shaft (103, 203) comprises a mounting section on the distal end; - the mounting section comprising a cavity (112, 212) and at least one side opening (106, 206), - wherein the cavity (112, 212) is present at the distal end of the shaft (103, 203) and extends from a most distal end surface into, and through, the shaft (103, 203) such that the shaft (103, 203) is hollow for at least a portion of the way through the shaft (103, 203), - wherein the at least one side opening (106, 206) is formed in an outer surface of the distal end of the shaft (103, 203) and extends along the shaft (103, 203); - wherein the handle (102, 202), the shaft (103, 203) and the mounting section are aligned along a longitudinal direction of the tool (100, 200); - a retention element (104, 204) held inside the mounting section of the shaft (103, 203) for holding an implant driver (110, 300); - wherein the retention element (104, 204) has two end portions (2041, 2043) and a middle portion narrower than the end portions (2041, 2043), wherein the middle portion and at least one of the end portions (2041, 2043) are hollow such that the implant driver (110, 300) may be received within the retention element (110, 300); and - wherein the middle portion of the retention element (104, 204) is flexible and radially expandable such that the insertion of the implant driver (110, 300) pushes the narrower middle portion of the retention element (104, 204) outwards, and the implant driver (110, 300) is held inside the retention element (104, 204) via friction. - a handle (102, 202); - a shaft (103, 203) connected to the handle (102, 202), wherein the shaft (103, 203) comprises a mounting section on the distal end; - the mounting section comprising a cavity (112, 212) and at least one side opening (106, 206), - wherein the cavity (112, 212) is present at the distal end of the shaft (103, 203) and extends from a most distal end surface into, and through, the shaft (103, 203) such that the shaft (103, 203) is hollow for at least a portion of the way through the shaft (103, 203), - wherein the at least one side opening (106, 206) is formed in an outer surface of the distal end of the shaft (103, 203) and extends along the shaft (103, 203); - wherein the handle (102, 202), the shaft (103, 203) and the mounting section are aligned along a longitudinal direction of the tool (100, 200); - a retention element (104, 204) held inside the mounting section of the shaft (103, 203) for holding an implant driver (110, 300); - wherein the retention element (104, 204) has two end portions (2041, 2043) and a middle portion narrower than the end portions (2041, 2043), wherein the middle portion and at least one of the end portions (2041, 2043) are hollow such that the implant driver (110, 300) may be received within the retention element (110, 300); and - wherein the middle portion of the retention element (104, 204) is flexible and radially expandable such that the insertion of the implant driver (110, 300) pushes the narrower middle portion of the retention element (104, 204) outwards, and the implant driver (110, 300) is held inside the retention element (104, 204) via friction.