That the name isn't everything. The facilities are soo old. The students don't seem "Harvard material" and that the school makes you do a research project and wants everyone to do dental research in the future, but rarely do their students stay in research as a career.
What did you wish you had known ahead of time?
The cold and dreary weather. How expensive it is to live in Boston. The cambridge undergraduate campus is in a better location than the medical/dent school.