The apparatus comprises, a dental implement (30), having a distal portion (48) that extends from a distal end along up to 50% of a longitudinal length of the implement (30), the implement being shaped so as to define a lumen therethrough having at least one distal opening (41) through a center of the distal end (48), and the implement (30) having a greatest diameter no more than 8 mm and a length of at least 3 mm, wherein at least a portion of a lateral external surface of the implement (30) is shaped so as to define a cutting surface, wherein at least a portion of the distal portion (48) is shaped so as to define at least one end mill cutter surface (800), and wherein the at least one end mill cutter surface (800) does not extend into a central area (803) of the implement that defines the lumen.
