If you are in Illinois and you are choosing a dental scheme for yourself, you should look for one that will provide you with a freedom of choice. A dental insurance in illinois that has an open panel that will let you choose your dentist will be the best bet for you.  It is always an advantage to choose your own dentist or who has been recommended to you. Another issue is the flexibility that is within your plan. The more flexibility it has, the better it will be for you. Another big issue is the choice of treatment. Always make sure that, it is you or your dentist that chooses your course of treatment, rather than the plan administrator, this will ensure that you get treated right.