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. 2022 Nov 3;12:18598. doi: 10.1038/s41598-022-20605-w

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© The Author(s) 2022

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Maximum intensity projection of CBCT with overlaid expert and DLS segmentations. Every image on each column is annotated by the same expert, shown in red, DLS annotation shown in green, and overlap shown in yellow. (a) GiANO HR with 0.3 mm spacing, (b) a DentiScan with 0.4 mm spacing, and (c,d) DentiScan with 0.25 mm spacing, (a,b) Low interobserver variability (IV) and low DLS to expert variability (DV) on a scan with no heterogeneities and the both canals were labelled as Clear. (c) High IV with a scan labelled with difficult bone structure (DBS) and the left canal was labelled Unclear. (d) High DV where the DLS outcome was incomplete with a scan labelled with DBS, movement artefact, and the right canal labelled Unclear.