https://bigfuture.collegeboard.org/majors/health-professions-related-clinical-sciences-dental-hygiene
http://learn.org/articles/College_Majors_for_Aspiring_Dentists_Your_Questions_Answered.html
http://study.com/dentist_major.html
https://en.wikipedia.org/wiki/Dentist
http://www.cnbc.com/2015/01/13/dentist-is-best-job-in-america-us-news.html
http://www.fastweb.com/student-life/articles/the-challenge-finding-time-to-study
http://www.soulshepherding.org/2015/07/fear-of-the-dentist/
http://www.localedge.com/b29915212/blog/i465100/excellent-service/Village-Family-Dental---Raeford
http://www.bls.gov/ooh/healthcare/dentists.htm