All ages, based on sliding scale, preventative and restorative care. Grace Center Texas • 469-304-0222.Dental Health Arlington proudly offers affordable dental care to low-income, Tarrant County residents. Complete the application. We're focused on providing you with high quality dental care at affordable prices. Call us today at (817) 289-3882 or request a consultation and we'll call you! Must be a resident of. Arlington, Mansfield,. The sliding fee scale program is available to uninsured patients who are unable to pay for medically necessary services at certain Northwell Health clinics. Sliding Fee Schedule.