Abstract
The objectives of this clinical study are: 1) To study the inflammatory process involved in apical periodontitis from primarily infected teeth by the levels of MMP1, MMP2, MMP8 e MMP9 in apical peridontitis tissues from primarily infected teeth; correlating their levels with the presence of clinical symptomatology and size of radiolucent area; 2) To investigate the levels of MyD88, TLR-2 …