The document discusses various mechanisms for paying for dental care, including:
1. Private fee-for-service, the traditional model where patients pay providers directly. This remains popular but limits access for many.
2. Prepayment plans like insurance, where a third party pays providers on behalf of subscribers. This includes commercial plans, non-profit Delta Dental plans, and prepaid group practices.
3. Public programs like Medicaid provide dental coverage for specific groups but have limitations in eligibility and coverage. Overall the document analyzes different payment systems and their ability to improve access to dental care.