The present invention relates to a bone carving tool for creating a convex ridge for the inner border of the initial hole for placement of an implant hole, and comprises: a bone carving unit with tapering diameters ranging from 2 to 7 mm, which has a plurality of triangular-shaped projections disposed on the lateral sides thereof forming a triangular prism-shape and a supporting portion for supporting the bone carving unit connected to the bone carving unit at a lower aspect thereof, wherein the diameter of the bone carving unit gradually narrows towards the upper aspects thereof and the uppermost aspects of the plurality of triangular-shaped projections and the triangular prism-shape coalesce to a single point.本發明涉及一種骨整形部的直徑為2~7mm,並且包括具備設置於外側面並向外部形成的三菱錐形狀或三角突起形狀的多個突起,隨著朝向上部直徑縮窄、且突起也跟著縮小的的骨整形部主體和在上述骨整形部主體的上部由多個三菱錐形狀或三角突起形狀的突起聚集成一個的骨整形部上部末端,並且骨整形部下端連接骨整形部支架的給用於種植體植入孔的初始孔內面邊緣賦予凹凸形態的骨整形器。10‧‧‧骨整形部支架30‧‧‧骨整形部