9.You’ve Brightened Your Smile
Dealing with dingy teeth by bleaching? Your whitener may be to blame for throbbing teeth. Sensitivity can start 2-3 days into treatment but can go away after a few more. Your gums can feel irritated as you whiten, too.
10.Your Gums Are Starting to Give
When gums recede, they pull back the protective layer over your teeth’s nerves and leave them aching. It can be a sign of gum disease, so be sure your dentist knows if your pain comes with teeth that look longer, or if you have pus, mouth sores, bad breath, or bleeding when you brush.