AnswerOne of the most credible dental hygienist colleges in the United States is the University of Alabama which is located at Birmingham School of Dentistry. Thats one example, but there are plenty of dental hygienist colleges in many states. Another example is the University of the Pacific located at Arthur A. Dugoni School of Dentistry. But, if your looking for locations near you, go to http://www.dentalschools.com/.