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.
(July 2009). Enamel hypoplasia is a defect of the teeth in which the enamel is hard but thin and deficient in amount, caused by defective enamel matrix formation with a deficiency in the cementing substance.Usually the condition involves part of the tooth having a pit in it.In some cases, the natural enamel crown has a hole in it, and in extreme cases, the tooth has no enamel, which doesn't mean the tooth doesn't exist because dentin is also a component of teeth.sually the condition involves part of the tooth having a pit in it. In some cases, the natural enamel crown has a hole in it, and in extreme cases, the tooth has no enamel, which doesn't mean the tooth doesn't exist because dentin is also a component of teeth.