An orthodontist is a dentist who specializes in treating malocclusions by designing and creating appliances to realign teeth and jaws. They must complete at least 2 years of undergraduate education in a science field, 4 years of dental school, and 2-3 years of orthodontic training. The average orthodontist salary in the US is $204,670 annually, working 30-40 hours per week in dental offices or clinics.