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.
In order to become an orthodontist, students need to complete four years of dental school. Coursework in dental school includes anatomy, physiology and microbiology, as well as classes that apply more specifically to orthodontics, such as dental anatomy and occlusion, pediatric dentistry and dental materials.
On average, it takes 8 years of training to qualify for a general dental license with the state. For specialists, it takes even longer. For example, aspiring orthodontists will spend 2 to 3 years in a postgraduate orthodontics program after graduating from dental school.