Abstract
The aim of this project is to evaluate, over a 12-month period, bone regeneration from a composite based on carbon nanotube, hydroxyapatite and chitosan associated or not with mesenchymal stem cells (MSC) injected into bone defects in sheep tibiae. Twelve sheep will be submitted to ostectomy in the middle third of the diaphysis of the right tibia of 30mm and divided into two groups: Group…