Many people start by majoring in biological sciences. If you decide to major in a more specific field of biology during your degree because it interests you than you can also consider that when the time comes. It is useful because many of the prerequisites for dental are included in biology (except english)but you definitely don't need to do a biology degree to apply to dental school. You just have to make sure you take all the required pre-requisites. In my opinion I think having a biology background will help me be more prepared, but some people may prefer to study something else that they a