Many years ago, ancient civilizations used this method to save teeth that would have been lost otherwise. These civilizations offered root canals to those such as queens, kings, pharaohs, and the rich. The teeth from peasants were normally extracted then sold to aristocrats. Many years ago, doctors believed that worms were the reason for tooth decay. Unlike nylon, single filament is impossible to shred or tear. No matter which type of floss you choose, as long you floss regularly, it will remove debris from your teeth and gums. If you ve never tried flossing before, you will probably be amazed at just how much debris and food particles it can remove. There really is nothing you can do, as crowns can sometimes come off or the filling can sometimes come out. If this happens, all you can really do is go back to the dentist to get the problem fixed. If you have an exposed root or nerve, it can also be the cause of your toothache. This normally happens due to rough brushing, receding the gums and exposing the root. Whenever you encounter a dental emergency, you shouldn t hesitate to contact a dentist immediately. Your dentist will be able to assist you, fix the problem, and stop the pain. Dental emergencies can happen at any time, so you should always the emergency number of a dentist who will be there at a moments notice. This bacteria will eventually spread from the root of the dead tooth into the tissue that is below and create a pocket of pus - the abscess. Gum disease is also a cause for a tooth becoming abscessed. Gum diseases causes the gums to pull back and away from teeth, leaving pockets behind. When one of the pockets becomes blocked, the bacteria can grow and spread, or get backed up. The crack can be present for many years, before you start to feel any pain. To be on the safe side, you should go to your regular checkups with your dentist, as he can check for cracks and other problems. The oblique root fracture is next, although it doesn t involve the tooth crown at all. This type of fracture is almost always found below the gums, normally under the bone.