- Why was it important for oral health advocates such as ADHA and The Children’s Dental Health Project to advocate for oral health during the process of developing the Affordable Care Act (ACA)? What are the possible impacts of the implementation on oral health? 2. Medicaid is the health insurance program for low income people. Unlike Medicare, dental coverage is provided but varies from state to state. Why is advocacy important when it comes to Medicaid for oral health?