A - Gum disease is a common and serious condition that affects the tissues that support your teeth. If left untreated, it can cause inflammation, bleeding, recession, infection, and tooth loss. nnSome common signs of gum problems are nnRed, swollen, or tender gums, nBleeding when brushing or flossing, nBad breath or taste in the mouth, nLoose or shifting teeth, nChanges in your bite or fit of your dentures, nPus or sores in your mouth.nnCall 519-421-0131 to talk to the best dentist in Woodstock.