What is marginal Mandibulectomy?
Marginal mandibulectomy: Only the area with cancer is removed. Much of the jawbone is left to try to avoid reconstructive surgery. Segmental mandibulectomy: The entire jaw bone is removed and then reconstructed. A bone from another part of your body (leg, back, arm or hip) is used to make a new jaw.
When is segmental Mandibulectomy performed?
Indications for segmental resection of the mandible as determined by physical examination and radiographic imaging: Invasion of the medullary space of the mandible. Tumor fixation to the occlusal surface of the mandible in the edentulous patient. Invasion of tumor into the mandible via the mandibular or mental foramen.
What is a Mandibulectomy?
A mandibulectomy is a surgery to remove all or part of your jaw (mandible). You may have a mandibulectomy if you have a tumor involving your jaw. Your jaw may be rebuilt using bone from another part of your body (the donor site).
What is the Retromolar Trigone?
(reh-troh-MOH-ler TRY-gone) The small area behind the wisdom teeth. Enlarge. Anatomy of the oral cavity.
What is marginal resection?
Marginal resection, defined as plane of dissection through the pseudocapsule or peritumoral reactive tissue, removes the gross tumor with 1 cm of normal surrounding soft tissue and 2 to 3 cm of normal surrounding bone tissue.
What is the first step of mandibular reconstruction?
proposed a protocol for functional reconstruction of mandibular discontinuity defects, which consisted of several differentiated steps: (1) resection of the tumor with free margins, together with reconstruction of the newly generated mandibular defect by means of the fibular vascularized osteocutaneous flap; (2) …
How is Ameloblastoma treated?
Ameloblastoma treatment usually includes surgery to remove the tumor. Ameloblastoma often grows into the nearby jawbone, so surgeons may need to remove the affected part of the jawbone. An aggressive approach to surgery reduces the risk that ameloblastoma will come back. Surgery to repair the jaw.
How much does a jaw surgery cost?
How Much Does Jaw Surgery Cost? The cost of jaw surgery typically ranges between $20,000-$40,000. However, surgery to correct temporomandibular joint dysfunction can cost up to $50,000.
What does retromolar mean?
Medical Definition of retromolar : situated or occurring behind the last molar retromolar tissue.
What does R0 resection mean?
R0 RESECTION: DEFINITIONS R0 resection indicates a microscopically margin-negative resection, in which no gross or microscopic tumor remains in the primary tumor bed. R1 resection indicates the removal of all macroscopic disease, but microscopic margins are positive for tumor.