BISMARCK, ND (KXNET) — If you wince when you’re eating or drinking something hot or cold, you may have tooth sensitivity ...

Treatment for sensitivity could be use of desensitizing tooth paste, avoid cold foods ... should be done after 2-3 minutes.

Scientists believe they have worked out why biting down on ice or drinking something really cold causes excruciating ... the cells and signals in sensitive teeth that detect big temperature ...