Figure 30: Micrograph of sample EIN-13 in normal light. Small (approximately 14 μm) orange and translucent pyramid-shaped nodules are found, sitting on the surface of the pulp cavity and root canal. Some of the dentinal tubuli stretching out from the cavity are also filled with orange material. This material shows birefringence in polarized light (Figure 31) and was found by SEM-EDX to contain calcium, carbon, oxygen and sometimes manganese, iron and phosphorus (Figure 32). (Image credit: H. Hollund)
Figure 30

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