Soft denture lining. For Super-Fit dentures. Permasoft is a soft relining material that actually takes a new impression of your gums, giving you a perfect fit and suction to your dentures. Being a soft material, Permasoft constantly adapts to the shape of your gums, giving you comfort and confidence when eating and talking. Ideal for sore gums that cannot stand a hard plastic denture. Last for months. Helps prevent denture breakages. Dentures fit like new. Also tightens partial dentures.