It is progressive: Bacteria invade a tooth initially by decalcifying the surface and show signs of white chalky appearance. As it advances it will get darker and eventual crater. Finally you will collect food in the space and eventually the decay will reach the nerve and you will have severe pain.
Answered 10/3/2016
5.6k views
Various: Pain , swelling, sensitivity to heat or cold can be symptom of a bacterial infection in a tooth. Cavities are also and infection by bacteria.
Answered 5/28/2016
5.5k views
4 doctors weighed in across 2 answers
5 doctors weighed in across 4 answers
2 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
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