Histologic and histomorphometric assessment of eggshell-derived bone graft substitutes on bone healing in rats.

Objective: The objective of this study was to histologically and histomorphometrically evaluate the efficacy of the new formulations of eggshell-derived calcium carbonate in rats.

Study Design: The study was conducted on 30 adult male rats. Four standardized and circular intrabony defects were created in the both maxilla and mandibula of each animal.