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This study aimed to evaluate the healing of furcation when repaired with Chitosan (CS) scaffold impregnated or not with Simvastatin (SIM) compared with CollaCote (CL) in goat premolar teeth. Root canal treatment was performed in 52 mandibular premolars followed by furcal perforation induction. The perforation was repaired with CL, CS, or CS with SIM after leaving it untreated for 4 weeks. White mineral trioxide aggregate was carried into the furcal site followed by a 2–3 mm resin-modified glass ionomer. The perforation was left untreated, and the access cavity was left open without coronal filling in the control group. The animals were sacrificed after one and three months. Block sections of the premolars were prepared and examined histologically to evaluate the inflammation and type of healing. Hard tissue formation was found in CL, CS, and CS/SIM groups in both periods. At one month, no significant differences were detected among the experimental groups, whereas at three months, CS without SIM showed significantly better performance compared to CL and CS/SIM groups (p = 0.040). Therefore, repairing furcal perforation with CS scaffolds shows desirable biological responses and healing characteristics in favor of bone regeneration at three months.

Regenerative Healing of Chitosan Scaffold Impregnated with Simvastatin in Repairing Furcal Perforation