; and (2) by adding at the end the following: (6) Oral health services For purposes of paragraph (1)(K), the term oral health services means services (as defined by the Secretary), that are necessary to prevent disease and promote oral health, restore oral structures to health and function, and treat emergency conditions. . (f) Demonstration program on training and employment of alternative dental health care providers for dental health care services for veterans in rural and other underserved communities (1) Demonstration program authorized The Secretary of Veterans Affairs may carry out a demonstration program to establish programs to train and employ alternative dental health care providers in order to increase access to dental health care services for veterans who are entitled to such services from the Department of Veterans Affairs and reside in rural and other underserved communities. (2) Telehealth For purposes of alternative dental health care providers and other dental care providers who are licensed to provide clinical care, dental services provided under the demonstration program under this section may be administered by such providers through telehealth-enabled collaboration and supervision when appropriate and feasible. (3) Alternative dental health care providers defined In this section, the term alternative dental health care providers has the meaning given that term in section 340G–1(a)(2) of the Public Health Service Act ( 42 U.S.C. 256g–1(a)(2) ). (4) Authorization of appropriations There are authorized to be appropriated such sums as are necessary to carry out the demonstration program under this subsection. (g) Demonstration program on training and employment of alternative dental health care providers for dental health care services for members of the armed forces and dependents lacking ready access to such services (1) Demonstration program authorized The Secretary of Defense may carry out a demonstration program to establish programs to train and employ alternative dental health care