Osseous genioplasties may require different kind of osteotomies which are controlled bone fractures under precision power oscillating saw action, in order to reshape and resize the chin.
In some cases as much as two dimensions of the chin need modification, either to increase or to decrease their size and projection plus reshaping them, with or without bone removal or supply, independently planned for each spatial axis.
It is carried out by an intra oral incision near the gum and inside the mouth, allowing the detachment of soft tissues and chin bone exposure.