The unevenness of teeth is usually a result of some kind of a physical impact. While constantly growing in childhood, endless stress stimulates the body to compensate the effect of this phenomenon and functionally balance the loads on the teeth. This leads to crowding teeth and irregular growing. Properly cleaning the crowded teeth is not possible that make them prone to form cavities. Your essential interest is to have these crowding treated sooner than later by a professional with relevant experiences in the field of orthodontic problems.