3D printing technologies for soft and hard tissue regeneration

Typically, manufacturing technology is done in four steps: creating or scanning, converting to a file, specifying the print material, and manufacturing. The production of artificial tissues using 3D printing is known as bioprinting. The most common method is the top-down approach. Recently, the bottom-up proceeding has also been successful.
Certain requirements apply to the materials used for printing, which are described in more detail in the article.

The Vat-polymerisation uses liquid, photosensitive polymers, which are hardened layer by layer by means of a UV light source.
Multi-Jet Modeling uses individual, variably connectable pressure nozzles for the ejection of the droplet-shaped print material.

The methodology of in-situ bioprinting, in which the desired tissue is printed directly into the patient’s tissue defect, shows great potential. Bioprinting could completely revolutionize large parts of modern medicine in the near future.

Pantermehl S, Emmert S, Alkildani S, Foth A, Jung O, Barbeck MOralchirurgie Journal 1/2022, 14-18, (german original, Oemus Verlag)
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