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Why Do Teeth Hurt?

By: Tia Ghose, www.livescience.com That gnawing, throbbing pain, the sharp jolt from a cup of hot coffee — almost everyone alive today has experienced the intense pain of a toothache. But why exactly do we get toothaches? In short, it is because, unlike hair or nails, teeth are made up of living tissue, said Christine Wall, an evolutionary anthropologist at Duke University who studies the evolution of teeth. Pain is the brain’s way of knowing something has gone wrong in the tissue, she said. “Under the cap of enamel, there are two other layers that are living,” Wall told Live Science. Those living tissues are threaded with nerves that send signals to the brain, when encountering hot and cold foods,…

usesfortoothpaste

17 brilliant uses for toothpaste… that don’t involve your teeth!

  By: www.startsatsixty.com Toothpaste is such a common object in our house that we can often forget how useful it can be – it isn’t just a teeth cleaner! It’s actually an awesome cleaning aid, as well as a stand in for creams, beauty products and other expensive pastes. Here’s some of our favourite ways to use toothpaste, do you have any others to add? 1. Clean your iron Irons get built up grime over time, so to clean them, use a non-gel toothpaste to gently remove the gunk. Make sure the iron is cool and turned off at the power point. Wipe off and polish. 2. Polish your diamond rings Who needs expensive ring cleaners when you have toothpaste?…