Abstract
The work aims to study and summarize the technology methods for personalized design and 3D printing for the human tooth, mainly including scanning the human model of the oral cavity with the lost tooth, dealing with the point clouds data, reconstructing the dental crown and dental root with porous structure, simulating the deformation and stress of different porous structure, and printing the different unit body by SLM 3D printing with metal powder material titanium alloys TC4. Finally, experiments are conducted to verify the performances of the printed unit entity with a porous structure. The conclusion is that the porous structure designed is effective for a closer elastic modulus E=2.20-3.00 GPa to the Human cementum. It can increase the matching between the elastic modulus of the patient’s jaw bone, reduce the stress shielding effect, achieve increased bone bonding area, improve bone bonding efficiency, and improve the long stability of implant bone bonding. It also has a 20.44 % weight loss. It becomes lighter and more economical. Through the research, the rapid and personalized customization forms can be realized to promote the further development of the dental reconstruction area.
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