Figure 42. centrally inflated triangle with canals new subtype. 42.1.1. Tooth crown with very long flanged occlusal crest margins that extend well below the apex of the transverse line, GSC 124589, scale bar = 2.0 mm. 42.2.1, 42.3.1, and 42.4.1. Show the inline canals and the slight convex-outward bulge of the flanged occlusal crest margin at the level of the transverse line, GSC 124590 to 124592; scale bar = 0.5 mm. 42.5.1. An almost opaque inline has a similar shape to the outline and the tooth crown has apical and lateral shadow, GSC 124593, scale bar = 0.5 mm. 42.6.1. Shows an apical thread canal, GSC 124594, scale bar = 0.5 mm. 42.7.1. Shows a broad tooth crown (height approximately equals width) with canals, apical shadow, and a rounded/blunt apex, GSC 124595, scale bar = 0.5 mm.