3D printing and additive manufacturing. 2024 Jun 18;11(3):e1257-e1270. doi: 10.1089/3dp.2022.0342 Q32.12025
Fabrication of Zirconia Ceramic Dental Crowns by Digital Light Processing: Effects of the Process on Physical Properties and Microstructure
数字光处理制造氧化锆陶瓷牙冠的工艺对其物理性能和显微结构的影响 翻译改进
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DOI: 10.1089/3dp.2022.0342 PMID: 39359586
摘要 中英对照阅读
通过数字光处理(DLP)增材制造技术成功制备了高密度氧化锆陶瓷牙冠。研究了悬浮液固含量和曝光密度对打印精度、固化深度、收缩率和相对密度的影响。对于固体质量分数为80%的悬浮液,在16.5 mW/cm2的曝光强度下,实现了40 μm的固化深度,并且过生长量最小。悬浮液的固含量和烧结温度对物理性能和显微结构有显著影响。更高的固含量导致更好的结构完整性、较高的相对密度和更致密的微观结构。随着固体质量分数的增加,压缩强度、维氏硬度、断裂韧性以及耐磨性显著提高,在80 wt% 固体质量分数悬浮液打印并通过1500°C烧结得到的氧化锆牙冠中分别达到了677 MPa、12.62 GPa、6.3 MPa·m1/2 和 1.5 mg/min 的值。DLP技术被认为是一种有前途的技术,可用于制备用于牙齿修复的氧化锆陶瓷牙冠。
关键词:三维打印;基于紫外光的槽式光固化;牙冠;牙齿修复;氧化锆陶瓷。
版权所有 © 2023 Mary Ann Liebert, Inc., 出版商。
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