Figure 4
(a) Projection image of half of a primary tooth with an exposure time of 50 ms. The inset shows the dentine of the tooth with microcanals. (b) Three-dimensional rendering of the tomography. (c) Reconstructed transverse slice taken from the position indicated by the dashed line in (a), revealing the microcanals aligned in the mesiodistal direction. (d) Vertical slice taken from the dotted line in (c) along the microcanals, with inset showing the tubules in the dentine. |