Generally speaking the cost to have a root canal and a crown can run as high $2000. In most cases the dentist is going to want his money at the time of service are render. So what is another option if you do not have that kind of money for dental care? You may want to look into visiting local university that has a school of dentistry. Many dental schools offer reduced-cost services to patients in need, based on income. There is still a cost to restorative dental work but it can help reduce costs significantly.