If a reversal is carried out within 10 years of your vasectomy, the success rate is about 55%. This falls to 25% if your reversal is carried out more than 10 years after your vasectomy. Even if a surgeon manages to join up the vas deferens tubes again, pregnancy may still not be possible.
A RealAge answered. The primary cause of tooth erosion is acid in citrus fruits and other foods. Stomach acid is also a factor, so people who have acid reflux and those who vomit repeatedly because of eating disorders are susceptible to tooth erosion. Sometimes, chlorine and other chemicals can cause erosion.
Enamel hypoplasia is a defect associated with incomplete formation of organic enamel, which covers the teeth. In this condition, the enamel is thin and soft, which causes it to chip off and exposing the underlying dentin. There are two basic types-hereditary and environmental, which are associated with different causes.namel hypoplasia can be categorized into two basic types, based on the causative factors associated with the condition. 1  Hereditary type enamel hypoplasia: This condition is associated with disturbance during the embryonic development, especially in the ectoderm. 2  The other components of embryonic development are normal.