A. A hernia is a protrusion of an organ or tissue through an abnormal opening in the body. Most hernias occur when a piece of intestine slips through a weakness in the abdominal wall, creating a bulge you can see and feel.
Becoming an orthodontist requires many years of education. Orthodontists must attend college and medical school, and then complete an additional two years of specialized training. Orthodontists make up the largest group of specialized dentists, and job prospects in coming years are expected to be good.
1 Most dental schools are 4 years, a few are 3. About half of the orthodontic schools are 2 years and the rest are 3 years. 2  it takes 4 years of undergraduate education (usually, it can take 2-3 if you have exceptional credentials) and then 3-4 years in dental school (depending on a particular schools curriculum).