Page 264 - IJB-10-5

International

Journal of Bioprinting

RESEARCH ARTICLE
A functionally graded gyroid-type three-periodic

minimal surface framework applied to implant-
supported fixed complete dentures

Jiwei Ren , Renkai Huang * , Linqing Huang , Shaoying Yang ,
3
1
1
1,2 id
* , Xuehua Wu ,
Chunrong Pan , Yuchun Sun 2,4,5 id , Sukun Tian 2,4,5 id 1
1
Dongsheng Wang 6,7,8 , and Youwen Yang *
1,8
1 Department of Intelligent Manufacturing, School of Mechanical and Electrical Engineering,
Jiangxi University of Science and Technology, Ganzhou, Jiangxi, China
2 NHC Key Laboratory of Digital Stomatology, Faculty of Prosthodontics, Peking University School
and Hospital of Stomatology, Beijing, China
3
Institute of Green Metallurgy and Process Intensification, School of Metallurgical Engineering,
Jiangxi University of Science and Technology, Ganzhou, Jiangxi, China
4 Center of Digital Dentistry, Faculty of Prosthodontics, Peking University School and Hospital of
Stomatology, Beijing, China
5 National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Faculty of
Prosthodontics, Peking University School and Hospital of Stomatology, Beijing, China
6 Advanced Copper-based Material Industry Generic Technology Research Center of Anhui
Province, Scool of Mechanical Engineering, Tongling University, Tongling, Anhui, China
7 Key Laboratory of Construction Hydraulic Robots of Anhui Higher Education Institutes, Scool of
Mechanical Engineering, Tongling University, Tongling, Anhui, China
8 Key Laboratory of Additive Manufacturing of Tongling City, Scool of Mechanical Engineering,
*Corresponding authors:
Renkai Huang Tongling University, Tongling, Anhui, China
(huang_renkai@jxust.edu.cn)
Sukun Tian
(sukhum169@hotmail.com)
Youwen Yang Abstract
(yangyouwen@jxust.edu.cn)
Citation: Ren J, Huang R, Huang L, Titanium alloy, particularly Ti6Al4V, is commonly used for constructing the framework of
et al. A functionally graded gyroid- implant-supported fixed complete dentures (IFCDs) but exhibits poor specific strength
type three-periodic minimal surface and impact toughness. Three-periodic minimal surface (TPMS) porous structures have
framework applied to implant-
supported fixed complete dentures. the advantages of high specific strength, lightweight, and shock and energy absorption.
Int J Bioprint. 2024;10(5):3453. Therefore, the functionally graded TPMS porous structure was adopted to design the
doi: 10.36922/ijb.3453 framework for IFCDs in this study. Nine types of TPMS-based lattice structures with
Received: April 19, 2024 radial gradient variations were designed. Finite element analysis and experimental
Accepted: May 30, 2024 results indicate that the relative density increases outward and the cell size decreases
Published Online: July 19, 2024 outward from the center. The B-I porous structure has the highest strength and impact
Copyright: © 2024 Author(s). toughness compared to other gradient porous structure types. Moreover, the IFCD
This is an Open Access article framework, utilizing the B-I porous structure, exhibited a 50% reduction in weight
distributed under the terms of the
Creative Commons Attribution compared to the solid framework. When compared to the hollow framework with the
License, permitting distribution, same weight, the B-I framework demonstrated a 42.81% lower maximum equivalent
and reproduction in any medium, stress under normal chewing conditions without undergoing plastic deformation.
provided the original work is
properly cited. Therefore, the B-I framework meets the mechanical performance requirements for daily
chewing and exhibits superior mechanical properties over conventional structures.
Publisher’s Note: AccScience
Publishing remains neutral with
regard to jurisdictional claims in
published maps and institutional Keywords: Implant-supported fixed complete dentures; Porous frameworks;
affiliations. Three-periodic minimal surfaces; Functional gradient; Mechanical properties

Volume 10 Issue 5 (2024) 256 doi: 10.36922/ijb.3453