Possibility #1: Improper Sizing of the Valplast is Causing Soreness Your teeth might be sore due to the extreme flexibility of the Valplast partial. This type of soreness is marked by tenderness when pushing down and chewing or biting down. If the partial is slightly too large or too small, it will still fit, but … Continue reading How to Get Rid of Soreness from a Valplast Denture