Experiences will differ from patient to patient. Most patients experience increased saliva flow and some soreness or difficulty with speech at first. This subsides quickly over time as your tissues and muscles become accustomed to having a denture.nnUpper dentures are much easier to get used to than lower dentures, and it is much easier to get used to a partial denture where some back teeth remain than if all of your back teeth are being replaced by the partial denture.