Biocompatibility of Intracanal Medications Based on Calcium Hydroxide
Figure 2
Light micrographs of sections showing portions of capsules adjacent to the opening of the tubes (I) filled with UltraCal XS paste after 7 (a) and 30 days (b) of implantation in the subcutaneous. In (a), The capsule exhibits several inflammatory cells (IC) and blood vessels (BV). Note that dense masses of inflammatory cells (ICs) are observed in the inner portion of the capsule, adjacent to the tube opening (I). The inset, outlined area, shows multinucleated giant cells (GCs). 120; inset: 230. (b) The capsule contains several fibroblasts (Fbs) and numerous blood vessels (BV). Inflammatory cells (arrows), lymphocytes and macrophages are situated mainly in the inner portion of the capsule and next to the blood vessels 150.
