Cytoplast Non-Resorbable PTFE MembraneCytoplast TXT 200 Non Resorbable High Density PTFE Membrane Non resorbable high density PTFE membrane Ideal dental membrane for socket grafting and grafting where primary closure is not possible Porosity of less than 0. 3 microns creates impervious barrier to bacteria Use in an open technique results in preservation of soft tissue architecture, preservation of keratinized tissue width, and a non surgical removal Designed to withstand exposure Regentex