Evaluation of Expanded Polytetrafluoroethylene as a Soft-Tissue Filling Substance: An Analysis of Design-Related Implant Behavior Using the Porcine Skin Model

Soft-tissue augmentation using the synthetic nonfluid biomaterial expanded polytetrafluoroethylene (ePTFE) has been supported by number of recent reports citing the favorable characteristics of biocompatibility, soft and natural feel, ease of use, and permanent augmentation. Concern has been express