The dental tool (1) has a head section (3) consisting a base element which for boring or drilling operations is provided with a coating of diamond crystals. The diamond layer (50) is precipitated onto the head section of the tool by means of a gas phase precipitation process without a bonder phase. Also claimed is a method for producing such a dental tool is in which the tool is coated at least within the surface region (20) of its head section by means of a gas phase precipitation process. ADVANTAGE - No health hazardous materials of the tool are shedded during drilling or grinding operations.