A dental tool includes a working head 3 rotatable about a rotational axis 1 and attached to a shaft 2, which working head is provided with cutting edges 4, 5. Cutting edges 4 of a first toothing are formed about a complete periphery of the working head 3, cutting edges 5 of a second toothing are formed additionally at sector-type partial regions of the working head 3, and sector-type regions are provided at a front face 6 of the working head 3, in which the cutting edges 4, 5 of the first and second toothing end alternatingly in the circumferential direction.