Which lesion do the following characteristics describe?
connective tissue fibers below the JE are destroyed, and the epithelium migrates along the root surface
coronal portion of JE becomes detached
exposed cementum where sharpey's fibers were attached become altered by inflammatory products of bacteria and the sulcus fluid
diseased cementum contains a thin layer of endotoxins from bacterial breakdown
the pocket continues to deepen
advanced lesion - progressive destruction of connective tissue