I haven't been to the dentist since I was about 15. I am worried about my teeth mostly my two front teeth. It almost looks like its chipped from the top of the gums to along the side. Some the of the white of my teeth is gone. I am not sure what it means. I plan on going to the dentist soon. I would like to know if there anything I can do for it until then. It is very sensitive to cold or sweet stuff. I brush my teeth but i am almost afraid to everyday.