A visit to dentist is obviously fated as a frustration and a pain. But we hardly give them enough money for making the experience much less painful than it has the potential to be.
In early days it was specifically not known as a dental check up but a dental explosion.No one is certain about why this type of condition occurred, however, according to one opinion it could that the severe tooth decay caused gas buildup at the root.
Another theory explains that making use of two different metals for fillings caused a reaction that ended up with the production of hydrogen and results in explosion.