Mandible defect reconstruction method and device, electronic equipment and storage medium

Abstract

The invention discloses a mandible reconstruction method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the CT data of a sampled person, carrying out the three-dimensional reconstruction, selecting the related feature points of a mandible according to a preset scheme, and storing the coordinates of the related feature points, so as to build a normal mandible database; performing virtual osteotomy to obtain a mandible defect model; performing standardization processing on the mandible defect model according to the mandible related feature points, and performing retrieval matching in the normal mandible database through a preset mandible database retrieval matching algorithm to obtain the most similar mandible; and registering the most similar mandible obtained by retrieval and matching with the defective mandible model. A reference with high repeatability except for doctor experience is provided for digital design of repairing and reconstruction of midline-crossing mandible defects, second-stage lower jawbone defects and double-side-surface asymmetric mandible defects, and the defects and deficiencies of a mirror image technology in clinical application are effectively overcome.

Description

technical field [0001] The present invention relates to the technical field of artificial intelligence, in particular to a mandibular defect reconstruction method, device, electronic equipment and storage medium. Background technique [0002] In the field of maxillofacial surgery, diseases such as tumors, trauma, and inflammation can cause mandibular deformities and defects. The use of bone tissue flaps to repair the mandible is currently the gold standard for the treatment of related diseases. At present, the main method of mandibular reconstruction is the iliac crest / fibula flap. In mandibular reconstruction surgery, a major difficulty and key is to properly shape the iliac crest / fibula flap, so as to correctly reconstruct the mandible shape and shape. Rebuild the function of the mandible. [0003] In the past, limited by the techniques and concepts at the time, the surgeon would shape the fibula flap and iliac flap based on his own experience. Although this method can ac...

AI Technical Summary

Problems solved by technology

[0007] However, there are still defects and deficiencies in this method: First, the mirror image technique is only applicable to the type of mandibular defect that does not cross the midline, but for the type of mandibular defect that crosses the midline, this method is no longer applicable

According to the statistics of relevant literature, mandibular defects across the midline account for as high as 17.6% of all clinical mandibular defect cases; second, some patients do not undergo mandibular reconstruction in time after tumor resection, and if the mandibular defect remains for a long time , being pulled by the surrounding musculature, the remaining mandible will be displaced and deformed, which is difficult to use as a reference for mandible repair; third, the mandible itself is asymmetrical, and the defect can be completely restored with the healthy mandible on the opposite side The shape of the mandible in the region itself has errors

Therefore, in the cases with the above-mentioned first and second problems, mandibular reconstruction is currently carried out in a way based on doctor's experience and supplemented by digital design, which increases the uncertainty in the diagnosis and treatment process.

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