Additive manufacturing of dental ceramics in prosthodontics: The status quo and the future

Additive manufacturing of dental ceramics in prosthodontics: The status quo and the future

2024 | Han Zhu, Jimin Jiang, Yujie Wang, Sijie Wang, Yong He, Fuming He
This review aims to summarize the current status and future prospects of additive manufacturing (AM) in dental ceramics for prosthodontics. The study evaluates the available AM technologies, material categories, and their applications, comparing accuracy and mechanical properties with subtractive manufacturing (SM) methods. AM dental ceramics are primarily used for crowns and fixed partial dentures (FPDs), offering comparable accuracy and strength but with limitations in curved surface accuracy and low strength reliability. Functionally graded additive manufacturing (FGAM) shows potential for creating biomimetic structures, but specific studies are lacking. Despite these limitations, AM has the potential to replace SM as the mainstream manufacturing technology for ceramic restorations with further research. The review covers the principles and parameters of AM technologies such as stereolithography (SLA), digital light processing (DLP), direct inkjet printing (DIP), and 3D gel printing (3DGp), and discusses the complete process chain, including data acquisition, AM, and post-processing. The accuracy and mechanical properties of AM ceramic restorations are assessed, with a focus on crowns and FPDs. While AM has shown promising results, more research is needed to optimize processes and improve surface quality and strength.This review aims to summarize the current status and future prospects of additive manufacturing (AM) in dental ceramics for prosthodontics. The study evaluates the available AM technologies, material categories, and their applications, comparing accuracy and mechanical properties with subtractive manufacturing (SM) methods. AM dental ceramics are primarily used for crowns and fixed partial dentures (FPDs), offering comparable accuracy and strength but with limitations in curved surface accuracy and low strength reliability. Functionally graded additive manufacturing (FGAM) shows potential for creating biomimetic structures, but specific studies are lacking. Despite these limitations, AM has the potential to replace SM as the mainstream manufacturing technology for ceramic restorations with further research. The review covers the principles and parameters of AM technologies such as stereolithography (SLA), digital light processing (DLP), direct inkjet printing (DIP), and 3D gel printing (3DGp), and discusses the complete process chain, including data acquisition, AM, and post-processing. The accuracy and mechanical properties of AM ceramic restorations are assessed, with a focus on crowns and FPDs. While AM has shown promising results, more research is needed to optimize processes and improve surface quality and strength.
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[slides and audio] Additive manufacturing of dental ceramics in prosthodontics%3A The status quo and the future.