Fig. 3

Manual measurement point selection variability depicted with box-plots with measurement point distance deviation of cemento-enamel junction (CEJ) (a) and gingival margin (GM) point (b) for each examiner and a round of measurement in reference to automated curvature-based point position on a cross-section. Box represent 25th and 75th percentile, while whisker represents 5th and 95th percentile and dots represent outliers