There may not be any symptoms initially, but untreated cavities can cause toothache, infection, and tooth loss. The signs and symptoms of cavities vary by their location and extent.
Can be spontaneous pain or pain that occurs without any apparent cause; it can be mild to sharp pain when biting down, eating or drinking.
Can be sudden, sharp flash of pain when teeth are exposed to air, cold, sweet, acidic, or hot foods.
tooth staining and holes
Can be brown, black, or white staining on any surface of a tooth, or visible holes or pits on teeth.