Why do teeth get cracks?
Crack tooth syndrome is very commom problem, usually affected teeth are heavily filled. The decay and subsequent filling causes weakening of remaining tooth strecture. Like all material teeth are subjected to stress and fatigue. Afeter many bites on tooth , ( stress cycles ) , a hairline fracture can develop, usually at the bottom corner of cavity.. If you are under a lot of psychological stress. You may grind your teeth ( usually at night).