February
March 2009
attrition initially affects the enamel and, if unchecked, may proceed to the underlying dentin.
abrasion is the loss of tooth structure by mechanical forces from a foreign element.
if this force begins at the cementoenamel junction, then progression of tooth loss can be rapid since enamel is very thin in this region of the tooth.
a common source of this type of tooth wear is excessive force when using a toothbrush.
erosion is the loss of tooth structure due to chemical dissolution by acids not of bacterial origin
signs of tooth destruction from erosion is a common characteristic in the mouths of people with bulimia since vomiting results in exposure of the teeth to gastric acids.
another important source of erosive acids are from frequent sucking of lemon juice.
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