Tooth pain can range from mild and fleeting to throbbing and constant but the mechanism behind what you’re feeling is often the same: the nerves in the pulp chamber at the center of your affected tooth or teeth are responding to stimuli and sending out a warning in the form of a disagreeable sensation that something’s not right. Here are the top 10 reasons your teeth might be causing you discomfort: Dental Caries (Cavity). Certain oral bacteria feed on food particles trapped