A student who wishes to treat diseases of the mouth may wish to study dentistry. Dentistry studies how to keep the teeth, gums, and other parts of the mouth healthy and how these parts interact with the body.

Individuals who do not want to invest the time or money toward a formal degree can work to earn a diploma instead. This is ideal for individuals who just graduated from secondary school or those looking to change or jumpstart careers.

Part time learning allows one to obtain part-time degrees even if one cannot attend school on a full-time basis. One can learn at his or own pace, gradually accumulating credits which count towards final qualification.