Governor Gretchen Whitmer signed legislation Tuesday extending comprehensive dental coverage to all Michigan Medicaid enrollees, a change that advocates say will improve access to basic oral health services for approximately 700,000 low-income adults who previously had access only to emergency dental extractions under the state’s Medicaid plan — one of the most restrictive dental benefits structures in the country.

The legislation, House Bill 4603, was passed with bipartisan support after years of advocacy by dental health organizations, community health centers, and patient advocates who argued that the existing limitation to emergency-only care was both inhumane and economically irrational, as it drove patients toward costly emergency department visits for dental pain that could have been prevented with routine care.

“No one in Michigan should lose a tooth, or suffer in pain, or land in the emergency room simply because they can’t afford a dentist,” Whitmer said at a signing ceremony at a Detroit community health center. “Dental care is health care, and today we’re making that a reality for hundreds of thousands of Michiganders.”

Under the new benefit structure, Medicaid enrollees will gain access to preventive cleanings and exams, restorative care including fillings and crowns, partial dentures, endodontic treatment, and periodontal care. Orthodontic coverage will not be included in the initial benefit package but may be added in a future program expansion depending on utilization data and budget performance.

The Michigan Department of Health and Human Services estimated the annual cost of the expanded benefit at approximately $285 million, with the federal government covering roughly two-thirds of that expense through the standard Medicaid matching rate. State fiscal analysts noted the program would likely produce offsetting savings in emergency department costs over time as patients received preventive care.

Implementation is set to begin March 1, 2026. MDHHS is working with the Michigan Dental Association and community health centers to expand the dental provider network that accepts Medicaid patients, which currently includes only about 40 percent of the state’s licensed dentists. Officials said provider recruitment and reimbursement rate adjustments were a top priority for the implementation phase.

Michigan becomes the 38th state to offer comprehensive dental coverage to adult Medicaid enrollees under a policy shift that has been accelerating nationally since a federal Medicaid dental coverage option was expanded in 2023.