Abstract
The aim of this study is to evaluate the effect of the avocado/soy unsaponifiables(ASU) on the expression of growth factors TGF²-1, VEGF and BMP-2 on induce periodontitis in rats. In this study, 80 rats will be randomly assigned into eight groups: Group I Negative Control- The periodontal disease will be induce by ligatures and after the removal of the ligatures the oral gavage with salin…