Figure 2: Representative sections obtained from furcal perforation sites repaired with Geristore (a-c). a. Retic-stained section showing absence of furcal reparative hard tissue apposition, extensive chronic inflammatory cells infiltrate (open arrowhead) and severe bone resorption (open arrow). RD: radicular dentin. (Original magnifications 30X). b-c. Retic-stained section from the same specimen showing large amount of multinucleated osteoclast cells (open arrowhead) and inflammatory cells infiltrate. (Original magnification 40X and 80X respectively).