Dear Colleagues,

In recent years, the widespread use of adhesive prostheses has allowed and encouraged important developments in prosthetic and restorative materials. Furthermore, the diffusion of the digital workflow has encouraged research on monolithic milling materials, which are perfectly suited to this kind of workflow.
To overcome the aesthetic and functional limits of these materials, it is sometimes necessary to resort to layering or bonding other materials to them.

As of now, a large amount of research is required to confirm the reliability and clinical use of these materials.

The development of resins, both as cements and as long-term prosthetic materials that can be micro- and nano-filled with aesthetic and functional fibers or particles have allowed these materials to achieve results that were unexpected up until now.

The resistance of zirconia, in association with the ever-improving aesthetic management techniques, thanks to micro-infiltrations and super-color painting, has allowed this material to quickly become one of the most used.

Lithium disilicate is one of the most aesthetic materials and has excellent resistance and great adhesive capacity.

However, in this metal-free era, we must not forget about Cr-Co rehabilitations, which are perfectly adaptable to the digital flow, and as a prosthetic sub-structure, titanium is useful for supporting highly aesthetic materials.

It is important to pay attention to the increasingly used endo-osseous implants made of zirconia, which are capable of guaranteeing aesthetic results that are clearly superior to titanium implants, as metal components are not visible in their structure.

For my part, I invite clinicians to report their experiences using these new materials, new techniques, and digital workflows, suggesting critical comparisons with the previous generation of materials and rehabilitation techniques.

I also invite researchers to propose studies on the strength, thickness, and characteristics that clinicians must pay attention to in order to maintain the best working conditions for these materials.

Original articles, case reports, case series, and reviews in the field of imaging that aim to enrich scientific knowledge and to help not only clinicians, but also researchers involved in the development of new dedicated software, diagnostic instruments, and technological improvements, are warmly welcome.

Dr. Rodolfo Reda
Dr. Alessio Zanza
Guest Editors

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• zirconia
• Cr-Co
• ceramics
• lithium disilicate
• metal
• resin
• digital impression
• digital workflow milling
• laser-synth
• aesthetics