There are a few manner ins which your teeth might be cracked. Teeth are rather strong, yet in extreme circumstances they can chip or fracture now and then. Teeth might even break off if the conditions are right. Some of the manner ins which this can occur includes biting down on something exceptionally hard, injury to the tooth or face, cavities or decay that we can the tooth, having sensations that do not support the tooth enamel and a few even more. While this is generally not uncomfortable, if a huge enough chunk of your tooth breaks off you might experience discomfort, especially if the nerve is harmed or revealed.