if you have some $$ to spend, I would recommend checking out Denttrainer.com the money is well spent. There is some fantastic training videos available, and if you cant get 1 on 1 training from someone, this can help start you in the right direction. also Check out Doording.com they have a great selection of guys willing to discuss PDR. the best advice I ever got was to get good tools and better training.
also there are 2 free pod casts PDRCollege.com and Denttrainer.com Since I found them I have expanded my knowledge on the business side of working.