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Figure 4
Proposed data processing pipeline for bonded restoration analysis of typical 3D reconstructed PCE-CT datasets: (a) histograms of the full volumes (b) were used to binarize and segment the interfacial gaps (grey value range matching the interfacial gap region is marked light blue beneath the graph abscissa). (c) The adhesive layer, marked light blue – compare panel (e) – is well defined. (d) Gaps at the interface (red points on the 2D slice) are also identified based on the histogram [red marked region corresponding to gaps in (a)]. The area of bonding between tooth and adhesive (e) was determined (see additional details in the text), from which the percentage of interfacial gaps (f) was calculated as the ratio between (f) and (e). Scale bar: 500 µm.

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RADIATION
ISSN: 1600-5775
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