This creation is a kind of related dental orthotic bone nail of what, comprising: a head and a body part. The head includes an arc surface, a columnar part, a driving portion and a neck, wherein the arc surface extends downward into the columnar part, which is connected with the driving portion, and the driving portion system is a polygonal cylinder and extends downward into the neck； The body part, including a threaded portion, a cone cell breechblock portion and a point, which is connected with the neck, and extends downward into the point, and cone cell breechblock portion is arranged in a crossed manner forms with this for the threaded portion. Thereby, this creation is whole designs without corner angle to improve patient compared with high degree of comfort and avoid injury soft tissue.本創作係有關於一種牙科矯正骨釘，包括：一頭部及一本體部。該頭部包含一圓弧面、一柱狀部、一驅動部、以及一頸部，其中，該圓弧面向下延伸至該柱狀部，該柱狀部與該驅動部相連接，且該驅動部係為一多邊柱體並向下延伸至該頸部；該本體部，包括一螺紋部、一錐狀螺體部及一尖端部，該錐狀螺體部與該頸部相連接，並向下延伸至該尖端部，該螺紋部與該錐狀螺體部交叉設置而成。藉此，本創作整體無稜角設計以提高患者較高舒適度避免傷害軟組織。
