Patients should immediately see a dentist if they experience the following:
Shifts in denture fit
Difficulty or discomfort while swallowing
Mouth sores or ulcers that bleed easily or do not heal
Red or white patches in the mouth
Pain or tenderness in teeth or gums
Weird lump or swelling in the neck, throat, or mouth
Seeable changes in mouth tissue
Diminished ability to perform normal oral functions (such as chewing, opening jaw, swallowing)