Dental implantation is an effective
method for the treatment of
loose teeth, but the threaded dental implants used in the clinic cannot
match with the tooth extraction socket. A root analogue implant (RAI)
has the congruence shape, which reduces the damage to bone and soft
tissue. Additive manufacturing (AM) technologies have the advantages
of high precision, flexibility, and easy operation, becoming the main
manufacturing method of RAI in basic research. The purpose of this
systematic review is to summarize AM technologies used for RAI manufacturing
as well as the factors affecting successful implantation. First, it
introduces the AM technologies according to different operating principles
and summarizes the advantages and disadvantages of each method. Then
the influences of materials, structure design, surface characteristics,
implant site, and positioning are discussed, providing reference for
designers and dentists. Finally, it addresses the gap between basic
research and clinical application for additive manufactured RAIs and
discusses the current challenges and future research directions for
this field.
In recent years, bioactive ceramic bone scaffolds have
drawn remarkable
attention as an alternative method for treating and repairing bone
defects. Vat photopolymerization (VP) is a promising additive manufacturing
(AM) technique that enables the efficient and accurate fabrication
of bioactive ceramic bone scaffolds. This review systematically reviews
the research progress of VP-printed bioactive ceramic bone scaffolds.
First, a summary and comparison of commonly used bioactive ceramics
and different VP techniques are provided. This is followed by a detailed
introduction to the preparation of ceramic suspensions and optimization
of printing and heat treatment processes. The mechanical strength
and biological performance of the VP-printed bioactive ceramic scaffolds
are then discussed. Finally, current challenges and future research
directions in this field are highlighted.
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