As everyone has teeth, there will always be a need for highly qualified dental students. There are three primary levels of dentistry in the college major, and they all can lead to the next level. “Pre-Dental” is designed to give the student all of the science pre-requisites for a successful entry to dental school. Dental Hygienists earn a full BA, and is its own long term career. Dental Assistants typically earn a certification or an Associates degree.