The objective of this study was to assess the process of alveolar bone repair in rats subjected to sham surgery or ovariectomized rats, after alveolar filling with clot or with crystalline biosilicate. Sixty Wistar rats were divided into four groups (n = 15) according to the treatment: Group 1 – rats subjected to sham surgery with sockets filled with clot; Group 2- rats submitted to sham surgery with sockets filled with crystalline biosilicate; Group 3 ovariectomized rats with sockets filled with clot; Group 4 ovariectomized rats with sockets filled with crystalline biosilicate. After 7, 14 and 28 days, the animals were sacrificed, bone samples were taken, stained with hematoxylin-eosin and analyzed under a microscope to perform a histomorphometric analysis. The highest percentages of bone formation were presented in groups 1 (32 % at 7 days, 46 % at 14 days and 83.5 % at 28 days) and 4 (27.1 % at 7 days, 41.1 % at 14 days and 79.7 % after 28 days). In the sockets filled with clot, the rats subjected to sham surgery showed the best results, while in the sockets filled with biosilicate, the ovariectomized rats had significantly higher percentages. In this study, the crystalline biosilicate behaved as an adequate biomaterial for bone repair, favoring osteoconduction.
KEY WORDS: bone remodeling, osteoporosis, rats Wistar, silicates.
How to cite this article
AZENHA, M. R.; MAGRO FILHO, O.; PEITL, O.; TORO, B. & ARCHILLA A. R. Alveolar bone repair in ovarictomized rats with crystallized biosilicate histomorphometric analysis. Int. J. Odontostomat., 13(2):162-171, 2019.