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Figure 2. Immunohistochemical staining for OCN (a), OPN (b), BSP (c), and DSP (d) in the pulp 14 days after transplantation, positive controls (eh) for immunohistochemical staining for OCN (e), OPN (f), BSP (g), and DSP (h), and negative controls (i,j). (a–c) OCN, OPN, and BSP are localized within newly formed tissue, where the immunoreactivity is detected in globular aggregates. (d) DSP immunoreactivity is undetectable within the matrix. (e–h) Sections of a six-week-old normal molar tooth. OCN, OPN, and BSP immunoreactivities are detected in dentin matrix (D). Additionally, DSP is localized heavily in the dentin. (i,j) Control sections of pulp 14 days after transplantation. No immunoreaction is seen with non-immune goat or rabbit serum. Scale bar: 30 µm (a–j).
