Dental erosion refers to the loss of tooth enamel due to acid attack. Enamel is the protective coating of the tooth, which guards the sensitive layer underneath. When the enamel erodes, the dentin is exposed and may eventually lead to tooth pain and sensitivity.

1. Enamel Erosion and Acid Wear
Dental erosion refers to the loss of tooth enamel due to acid attack. Enamel is the protective coating of the tooth, which guards the sensitive layer underneath. When the enamel erodes, the dentin is exposed and may eventually lead to tooth pain and sensitivity.
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2. Dental erosion wears away the tooth surface and biting edges. It exposes the dentin, which has a yellower or greyer colour than the enamel. Exposure of the dentin is leads to the teeth becoming more sensitive to heat, cold, and acidic foods.
Enamel protects the teeth and insulates it from painful chemicals and temperatures. Once the enamel has eroded, the damage is done forever. This is because enamel has no living cells and the body cannot repair or restore it.
Acidic food and beverages can make the enamel on teeth soften for a short time. They can also take away certain mineral contents in teeth. The saliva will stop the acidity in the mouth and help it get back to its natural balance. If the acid attack, however, happens often, the mouth will lose its chance to repair itself and parts of enamel will be brushed away.
Function of Enamel
Acid is the Culprit

3. When the enamel has eroded, the teeth will be discoloured and may appear rounded. In severe cases, cracks will form on the teeth and small dents will emerge on the surface. For those with fillings, the tooth may appear raised, as the enamel around it starts to disintegrate.
Acidic food and drinks are the main causes of enamel erosion. It is best to avoid fruit juices, most especially citrus ones, as they contain acids which can be harmful to teeth. Fizzy drinks like soda and carbonated beverages also contain acids that damage the teeth. It is best to choose water or milk, as it can neutralise acids in the mouth.
Although enamel is the hardest substance in the human body, it can break easily. It is advisable to practice good dental hygiene and avoid acidic food and beverages. Visiting the dentist for check-ups and tooth cleaning can also prevent acid wear and tear.
Resources:
http://www.cosmeticdentistryherveybay.com.au/
http://www.rdhmag.com/articles/print/volume-30/issue-9/features/whats-eating- your-enamel.html
http://www.webmd.com/oral-health/guide/tooth-enamel-erosion-restoration
Symptoms of Erosion
Importance of Diet