Major resections of bone tumors of the head and neck, owing to their small dimensions and their proximity to the organs in this region, cause important functional and aesthetic problems that significantly compromise patients' quality of life. Therefore, therapeutic planning should always extend beyond the resection to include functional and aesthetic reconstruction, preferably immediately. Microsurgical reconstruction represents a significant advance, but has not yet been perfected. Rapid

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... yping (RP) comes as a new technology for the purpose of assisting the surgeon in the visual and tactile aspects of surgery, providing diagnostic accuracy and increasing the success of surgical planning. The authors demonstrate the technological advances in the manufacture of customized mandibular prostheses with the assistance of RP and practical applications of these methods. Figure 3. Prototype from the donor bone to be used for reconstructing the resected tumor biomodel. The size of the flap to be taken from the iliac crest could be determined accurately.