The project of the present invention is to provide a kind of dental grinding stick, is not required to be used to be coated with the ditch portion of coating in discrimination section formation, and the coating of discrimination section is not easy to peel off.Means to solve project are to have rodlike metal base 11; In the front end of the metal base and the grinding part 11b of abrasive grain is connected with position; With position in the metal base peripheral part of the adjacent what grinding part and the discrimination section 11a of the upper colored paint of coating, discrimination section 11a is average thickness in peripheral direction, and what axis direction, the central part of discrimination section 11a are applied to thick chevron (protrusion) shape.本發明之課題是提供一種牙科用磨削棒,不需在辨別部形成用來塗佈塗料的溝部,且辨別部的塗料不易剝落。用以解決課題之手段為,具有棒狀的金屬基材11;和位在該金屬基材之前端部並固接有磨粒的磨削部11b;和位在鄰接於該磨削部的金屬基材外圍部分且塗佈上有色塗料的辨別部11a,該辨別部11a在周圍方向為平均厚度,且於軸方向,辨別部11a的中央部份被塗佈成厚山形(突起)狀。