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. 2021 Mar 1;103-B(3):522–529. doi: 10.1302/0301-620X.103B3.BJJ-2020-0347.R1

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© 2021 Author(s) et al.

This article is distributed under the terms of the Creative Commons Attributions (CC BY 4.0) licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium or format, provided the original author and source are credited.

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Fig. 4 — Micro-CT (µCT) analysis of the percentage new bone formation normalized to tissue volume within the region of interest (ROI), defined as new bone formation in contact with the surface of the implant. Four implant coatings were investigated: hydroxyapatite (HA) alone; HA + sol-gel coating (HAsg); HA + sol-gel containing gentamicin (HAsgG); and HA + sol-gel coating containing gentamicin and bone morphogenetic protein-2 (BMP-2) (HAsgGB). Data plotted as individual values from three or four samples from each test group subjected to µCT analysis; medians are shown as horizontal lines.