In general, bone graft is either used en block ( such as from the chin or the ascending ramus area of the lower jaw ) or particulated, in order to be able to adapt it better to a defect.
2.
The gonion is a cephalometric landmark located at the lowest, posterior, and lateral point on the angle . This site is at the apex of the maximum curvature of the mandible, where the ascending ramus becomes the body of the mandible.
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