Why does food taste bad when we wear dentures? Because your upper denture covers your upper hard palate (which contains taste buds), some loss in flavor can result. ... Old food deposits and other debris can get stuck in your dentures and ultimately lead to altered or even bad tastes in your mouth. Does food taste the same with dentures? Dentures should not affect taste, as all taste buds are on the tongue so covering the palate with denture acrylic should not affect a person's taste of food. However, some new denture patients complain that they can't taste food as well with the dentures as they could before they had dentures. Why does food stick to my dentures? If you take new bites of food before you've properly cleared your mouth of the last bite, you may increase the odds of food sticking to dentures. If you keep liquid in your mouth for any length of time prior to swallowing, you may loosen the sealant on your dentures, enabling food to work its way underneath