Scuba Diving Linked to Toothaches

"A new survey of recreational scuba divers finds that 41 percent report dental problems related to diving. Most of the problems had to do with pain from the increased pressure underwater or from clutching the air regulator too tightly in their mouths, but a few people experienced loosened crowns or cracked fillings."

Read more: http://www.livescience.com/57362-scuba-diving-linked-to-toothaches.html