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.
Several diseases that affect enamel (the hard surface of the teeth) and dentin (the underlying material under enamel) can lead to tooth discoloration. Treatments for certain conditions can also affect tooth color. For example, head and neck radiation and chemotherapy can cause teeth discoloration. In addition, certain infections in pregnant mothers can cause tooth discoloration in the infant by affecting enamel development. Medications.