; or (ii) ischemic heart disease. 4. Pilot program to furnish dental care from the Department of Veterans Affairs to certain veterans diagnosed with diabetes or ischemic heart disease (a) In general Commencing not later than one year after the date of the enactment of this Act, the Secretary of Veterans Affairs shall carry out a pilot program (in this section referred to as the pilot program ) under which the Secretary shall furnish covered care to covered veterans for the duration of the pilot program. (b) Duration The pilot program shall be carried out during the four-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 the following locations: (A) Each medical center of the Department with an established dental clinic. (B) Each community-based outpatient clinic with an established dental clinic. (2) Mobile dental clinics In carrying out the pilot program, the Secretary shall test the efficacy of mobile dental clinics to service rural areas that do not have a population base to warrant a full-time clinic but where there are covered veterans in need of dental care. (3) Home-based dental care In carrying out the pilot program, the Secretary shall test the efficacy of portable dental care units to service rural veteran in their homes, as the Secretary considers medically appropriate. (d) Dental therapists and tele-Dentistry (1) In general In carrying out the pilot program, The Secretary shall test the efficacy of the use of dental therapists and tele-dentistry to service the dental care needs of covered veterans. (2) Use of tele-dentistry When providing tele-dentistry under paragraph (1), the Secretary shall use Federal employees to the maximum extent possible. (e) Administration (1) Notice to covered veterans In carrying out the pilot program, the Secretary shall inform all covered veterans of the covered care available under the pilot program. (2) Copayments The Secretary may collect copayments for covered care