A new developed nano-curcumin containing dental hemostatic material; <i>in vitro</i> and the clinical assessments

Curcumin has antioxidant, anti-inflammatory, and cardiovascular protective effects. This study aimed to develop and evaluate an innovative biodegradable hemostatic gelatinous sponge containing curcumin nanoparticles for use in dentistry. This research investigated the efficacy and safety of this material in both <i>in vitro</i> tests and some clinical settings. The novel sponge was prepared <i>via</i> the freeze-drying method. It was characterized by common approaches. The biocompatibility and biological effects of the new sponge were evaluated <i>in vitro</i>. In the next step, thirty-eight patients who needed dental extraction on two teeth were selected for clinical assessment. The prepared sponge was placed inside the cavity of the experimental group. On the control side, the teeth were extracted normally. All patients were studied for pain, swelling, repair of the extracted site, clot quantity, and the occurrence of dry sockets. Results revealed a porous structure with micro- and nanosized pores and a 12-day degradation period. The produced sponge could absorb blood 38 times its weight. It showed no toxic effect. In the clinical study, pain reduction was larger in the experimental group compared to the control group. The extracted site was normal in terms of repair and clot formation. Finally, there was no dry socket in any of the experimental and control groups. The abovementioned advantages may make the new sponge more effective in tooth extraction and other surgical applications in dentistry.