A three-dimensional data model of a human face prosthesis, a negative-shaped box and a method for making the prosthesis

Abstract

The invention discloses a facial prosthesis three-dimensional data model, a female mould box and a prosthesis manufacturing method. The method includes: combining three-dimensional data acquired by three-dimensional optical scanning and CT (computed tomography) scanning of a patient to form a three-dimensional design pattern by rectification; designing the outer surface of a prosthesis according to a secondary mirroring method and a facial organ three-dimensional configuration data base; designing a normal anatomical structure feature stimulated inner surface of the prosthesis according to mirroring and migration techniques; designing a corresponding individual female mould box according to a three-dimensional shape of the prosthesis, and manufacturing the mould box made of a resin material according to a fast forming technique by three-dimensional printing; filling the prosthesis with a silicon rubber material to form the silicon rubber prosthesis. By adoption of the technical scheme, precision in digitized prosthesis design and processing is improved, a manufacturing process is simplified, manual operations are reduced, and aesthetic effects of the prosthesis are improved.

Description

technical field [0001] The invention relates to the cross-application technical field of medical diagnosis and treatment technology and mechanical engineering technology, and relates to a three-dimensional data model of a human face prosthesis, a negative-shaped box and a method for making the prosthesis. Background technique [0002] Oral and maxillofacial defects caused by various reasons will not only bring physical dysfunction to patients, but also facial deformities will cause serious psychological obstacles to patients, making it difficult to carry out normal work and social interaction, and even make many patients lose their lives. Confidence. Faced with this problem, the traditional restoration method is to obtain a complete plaster model by taking an impression of the defect area, and then rely on the technician to complete the wax-up of the prosthesis by hand-carving, and finally make the final silicone rubber by the lost-wax method material prosthesis. Due to th...

AI Technical Summary

Problems solved by technology

However, there are still three deficiencies in current research in this area: ①The research on prosthetic digital technology is still lacking in systematicness and completeness, the degree of automation and intelligence is low, and there is no effective three-dimensional design method for prosthetic tissue surfaces. So far, there is no mature digital oral and maxillofacial defect prosthetic system at home and abroad; ②The two 3D data acquisition modes of CT scanning and optical scanning have their own advantages and disadvantages, and there is currently no effective method to combine the two to give full play to their respective advantages; ③Prosthesis The digital processing method is cumbersome. It is often necessary to make a prosthesis model made of wax or resin material first, and then reproduce the final prosthesis made of silicone rubber material through gypsum embedding and filling. This involves many manual processing operations. The final effect of the complex has an impact

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