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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Dent. 2014 Apr 24;42(9):1124–1134. doi: 10.1016/j.jdent.2014.04.008

Figure 2.

Figure 2

A. Schematic illustrating the use of axial sections for analyzing the variation in percentage area distribution of gaps and voids along the longitudinal axis of an obturated canal space. At a spatial resolution of 14.52 μm, 276 axial slices were obtained for each of the three canal levels, commencing from the working length (0-4 mm level, 4-8 mm level and 8-12 mm level). Representative examples are shown for the percentage distribution of 2-D gaps and voids in roots obturated using the B. GuttaCore core-carrier technique; C. warm vertical compaction technique; and D. cold lateral compaction technique.