Periodontal disease refers to situations that require inflammation and infection in the tissues (gum and bone) that surround and support the teeth. Then the dentures will not likely crack when you fall them. Handle your dentures carefully. Be certain you don't bend or destruction the plastic or clasps when cleansing. https://medium.com/@mistryo115/prodentim-the-truth-about-this-oral-probiotic-thats-taking-the-dental-world-by-storm-06e4f729a46f