; and (2) by inserting after subparagraph (F) the following new subparagraph (G): (G) from which a veteran entitled to hospital care and medical services under section 1710(a)(2)(F) is suffering; . 4. Pilot program on expansion of furnishing of dental services and treatment to all enrolled veterans (a) Pilot program required Commencing not later than 540 days after the date of the enactment of this Act, the Secretary of Veterans Affairs shall carry out a pilot program to assess the feasibility and advisability of furnishing dental services and treatment to veterans enrolled in the system of patient enrollment of the Department of Veterans Affairs under section 1705 of title 38, United States Code, who are not eligible for dental services and treatment, and related dental appliances, from the Department under authorities other than this section. (b) Duration of pilot program The pilot program shall be carried out during the three-year period beginning on the date of the commencement of the pilot program. (c) Locations (1) In general The Secretary shall carry out the pilot program at not fewer than 16 locations as follows: (A) Four medical centers of the Department of Veterans Affairs with an established dental clinic. (B) Four medical centers of the Department with a contract for the furnishing of dental care. (C) Four community-based outpatient clinics with space available for the furnishing of services and treatment under the pilot program. (D) Four facilities selected from among Federally-qualified health centers and facilities of the Indian Health Service with established dental clinics, of which— (i) at least one facility shall be such a facility of the Indian Health Service