3D打印激光快速成型牙种植体的制备及其机械性能分析

doi:10.13481/j.1671-587x.20170111

Abstract

Abstract:

Objective: To prepare the titaniumaaloy(TC4) dental implant by novel 3D printing laser rapid prototyping method and analyze the mechanical properties of 3D printing TC4 material, and to provide foundation for the application of 3D printing technology in the preparation of dental implant.Methods: The digital models of dental implant and the test specimens were set up and the TC4 samples were prepared by 3D printing method. The phase composition and microstructures were observed by XRD,EDS, metaloscope and SEM, the mechanical properties of 3D printing TC4 material for dental implant were detected by microhardness tester and tensile experiment. Results: The microstructure of 3D printing TC4 material was uniform; the tensile strength, yield strength, and extensibility were (1 821.7±146.2) Mpa,(1 355.9±109.2) Mpa, and(31.3±1.8)%, respectively;the vikershardness was 372.93-428.46HV; the mechanical properties of 3D printing TC4 material met the national medical standards of dental implant material.Conclusion: The 3D printing TC4 material could meet the demanding of mechanical properties for dental implant material, and 3D printing technology is promising in dental implant preparation and immediate individual implantation.

Key words: 3D printing, titanium alloy, mechanical properties, laser rapid prototyping, dental implant

CLC Number:

R783.1

ZHANG Weihang, ZHANG Hu, LI Yingzi, WANG Dezhou, SONG Wenzhi. Preparation of 3D printing laser rapid prototyping dental implants and analysis on their mechanical properties[J].Journal of Jilin University Medicine Edition, 2017, 43(01): 52-56.

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Preparation of 3D printing laser rapid prototyping dental implants and analysis on their mechanical properties

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