horizontal osteotomy

hor·i·zon·tal os·te·ot·o·my

an osteotomy performed intraorally for genioplasty; the inferior aspect of the anterior mandible is advanced or retruded by movement of the free segment.

hor·i·zon·tal os·te·ot·o·my

(hōri-zontăl ostē-otŏ-mē) Osteotomy performed intraorally for genioplasty; inferior aspect of anterior mandible is advanced or retruded by movement of free segment.