You searched for: “mandibulectomies
mandibulectomy (noun), mandibulectomies (pl)
The excision or cutting out of the lower jaw by means of a medical operation.

Mandibulectomies can be either marginal, in which only the bone, teeth, and adjacent soft tissues are resected and the mandible's continuity is maintained; or segmental, where a complete segment of the mandible is removed.