Maintaining good oral health is important to ensure healthy teeth and a confident smile. However, sometimes even with regular brushing, flossing, and dental cleanings, cavities can sneak up and cause discomfort. Cavities are caused by decay in the teeth that can lead to pain, infection, and even tooth loss if left untreated. It is essential to recognize the symptoms of a cavity so that you can see your dentist promptly. Here are five signs you have a cavity and need a dentist.