The ABC's, PPO's and HMO's.
D003729:Dental Care / Q000191:economics; D006264:Health Benefit Plans, Employee; D006279:Health Maintenance Organizations; D006801:Humans; D007193:Independent Practice Associations; D007343:Insurance Carriers; D015271:Insurance Pools; D007347:Insurance, Dental; D007349:Insurance, Health, Reimbursement; D011243:Preferred Provider Organizations; D014481:United States