The invention relates to a hand instrument for manual use in dental care, which comprises a substantially elongated handle (2), to at least one end of which is arranged a construction for detachably connecting a head part (3) extending substantially from the central axis of the handle (2) and possibly comprising at least one bending. The construction by which the handle (2) and the head part (3) is arranged detachably connected includes a tightening element (4) axially positioning itself between the handle (2) and the head part (3).
