sagittal split mandibular osteotomy

sag·it·tal split man·dib·u·lar os·te·ot·o·my

an intraoral surgical procedure for correction of retrognathism, apertognathia, and prognathism; the mandibular rami and posterior body are sectioned in the sagittal plane.
Farlex Partner Medical Dictionary © Farlex 2012

sag·it·tal split man·dib·u·lar os·te·ot·o·my

(saji-tăl split man-dibyū-lăr ostē-otŏ-mē)
Intraoral surgical procedure for correction of retrognathism, apertognathia, and prognathism; mandibular rami and posterior body are sectioned in the sagittal plane.
Medical Dictionary for the Dental Professions © Farlex 2012