In most cases, if you want to add dental insurance, you will have to choose an insurance plan that your dentist accepts or be willing to switch dentist to get coverage. Most experiencing established older dentist do not accept dental insurance. So if you’re trying to save money and use insurance. You’ll need to find a new dentist. Most Medicare advantage plans include some type of dental benefit, but in most cases, you will have to switch dentist to take advantage of that Medicare dental benefit