Posts Tagged ‘ urinary ’

Root Canals and Cavitations

Research has demonstrated that virtually all root canals result in residual infection due to the imperfect seal that allows bacteria to penetrate.  The most commonly used material in root canals is gutta percha, which is soaked in chloroform and heated.  But when the chloroform evaporates and the gutta percha cools, there is significant shrinkage in […]