Signs and symptoms of tooth decay vary, depending on the severity and location of the decay. At the beginning of the tooth decay stage, you may not have any symptoms at all. But with the development of erosion and its increase in size, the following symptoms and signs begin to appear:
Toothache, sudden spontaneous pain, or pain that occurs for no apparent reason
Tooth sensitivity
Dull or sharp pain while eating or drinking something sweet, cold, or hot
Holes or visible gaps in the teeth
Brown, black or white spots on any surface of the teeth
Pain when biting food