METHOD FOR MAKING RELEASING POSTOPERATIVE MAXILLOFACIAL PROSTHESIS Russian patent published in 2014 - IPC A61C13/00 

FIELD: medicine.

SUBSTANCE: invention refers to medicine, particularly to dentistry, and is applicable in making a releasing postoperative maxillofacial prosthesis for all types of maxillectomy. Surgical manipulations are preceded by imprinting both patient's jaws. A dental occlusion is recorded. Models are made after the imprints. The models are fixed in an articulator, and denture teeth are mounted in place of proper missing teeth. The working model is scanned and digitised by means of a computer unit of CAD/CAM system. Planned surgical area boundaries are defined on a basic model, and the above boundaries are virtually engraved vertically and horizontally at a width and a depth of 2.5 mm. The engraved model is scanned by means of the computer unit of CAD/CAM system. The computer unit is also used to model the releasing postoperative maxillofacial prosthesis with retention elements and artificial teeth by matching the prosthetic bed of the engraved model and dental arches of the basic model prepared pre-operatively. The modelled construction of the releasing postoperative maxillofacial prosthesis with artificial plastic-plate teeth is milled. The made prosthesis is processed. The prosthesis is fixed in the patient's oral cavity.

EFFECT: by providing a one-piece plastic configuration of the releasing postoperative maxillofacial prosthesis with the retention elements by computed milling, the method enables recovering the masticatory function, ensuring the prosthetic bed formation within the surgical area and the optimum fixation in the unfavourable clinical environment of the prosthetic bed.

1 dwg