A dental instrument holding device that Includes one or more spaced apart holdingwells in which each well extends between an open end configured for receivinga dental instrument and a closed end. Each well includes a pair of coaxial boreslongitudinally spaced apart from each other and a stepped portion disposed intermediatethe pair of coaxial bores. An upper of the coaxial bores has a minimum diameterof 2.3mm to 2.6mm and a lower of the coaxial bores have a minimum diameter of 1.6mmto 1.9mm with the upper and lower coaxial bores each extending a predetermineddepth.