Integrative bargaining (also called interest-based bargaining, win-win bargaining) is a negotiation strategy in which parties collaborate to find a  win-win  solution to their dispute. This strategy focuses on developing mutually beneficial agreements based on the interests of the disputants.
Yes, Michigan Medicaid covers root canals (only one) and crowns. By only one, I mean that once the tooth has had a root canal, if a fistula or abscess develops, medicaid will not cover another root canal for that tooth (re-treat), which will necessitate the need for extraction.
Below is the contact information for the Medicaid office in North Carolina. They can assist you with questions or concerns about the North Carolina Medicaid program, including the eligibility requirements and Medicaid enrollment in North Carolina. You can view their site online at ncdhhs.gov/dma/medicaid/medicare.htm.