The present thesis was structured in two studies presented as two articles, that investigated the association between the parameters of Oxidative Stress (OS) and osteoporosis and the systemic and local effects of the osteoporosis treatment with Zoledronic Acid (ZOL). The first paper evaluated the association between OS markers and Bone Mmineral Content (BMC) of the femur, as well as determined the presence of t...
The aim of this study was to evaluate the incidence of dentin defects and Vertical Root Fractures (VRF) after endodontic retreatment and mechanical cycling. Methods: Two hundred monorradiculars premolars were divided into five groups. Forty teeth were left unprepared (control group). The other teeth were prepared with ProTaper files up to size F3 and filled with gutta percha and AH Plus. Eighty teeth were fille...