Tooth pain or sensitivity, especially to hot, cold, sweet, or pressure
Visible holes, pits, or dark spots on a tooth
Toothache that comes and goes or gets worse over time
Pain when biting or chewing
Rough, chipped, or weakened tooth surface
Food getting stuck in the same spot repeatedly
Bad breath or a bad taste in the mouth that does not go away
Gums near one tooth looking swollen or irritated
A tooth that feels unusually sensitive after brushing or flossing
A dentist confirming it during an exam or X-ray