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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
µCT tomograms of the empty rat condyle defect (a–b) and the inserted GelMA (c–d) and GelMA-AuNPs (e–f) along the transverse and coronal plane. (g) The radiopacity comparison of GelMA and GelMA-AuNP hydrogels to the bone tissue.