Abstract
The aim of this study is to quantify in vitro the bacterial endotoxin (LPS) adhered to different orthodontic adhesive systems, using the Limulus Amebocyte Lysate test. Fifty specimens 3 mm diameter and 2 mm high will be manufactured employing frequently used adhesive systems' components for clinical fixation of orthodontic brackets. The Transbond XT and Reliance adhesive systems will be u…