Adjustments are minor tweaks made to your dentures as your mouth tissues change over time.There are two types of relines that can happen when your dentures are really giving you trouble. Hard relines will remove a layer of plastic from the inside surface of your denture to create a brand-new impression and mold of your mouth. That layer will then be reformed in our on-site laboratory to fit better in your mouth.Soft relines is a similar procedure, but for dentures that are made of softer material for those that have more sensitive gums. Relines should be done once every couple of years to ensure ultimate comfort and an ideal fit for your denture.