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A relatively new problem is becoming apparent in dentistry. This is ‘wear’ of teeth due to chemical erosion. This often results in sensitivity of the necks of the teeth to cold and sweet things. Another common area of tooth surface damage is the inner surfaces of upper teeth in teenagers.Chemical erosion is the result of acid softening the enamel. If the teeth are then brushed with an abrasive toothpaste the problem is made worse. The result is that the “softened” enamel is often “spat” down the sink! Read our tips to preserve tooth enamel.