At least two are needed from science faculty by whom you have been taught. Be sure to ask for recommendations from those who know you well enough to comment not only on your academic ability, but also your personality and character. Recommendations will be placed in your folder for future reference. A summary evaluation letter, based on the contents of your folder and interview, will be developed and forwarded directly to schools you have designated. B-103 Brewster early in your sophomore year.
Dental schools differ in their requirements for letters of evaluation.
Requirements for veterinary medicine, optometry, and other health professions programs also vary. Find out early what is needed by schools for which you are interested.