1. Short title This Act may be cited as the Medicare Dental Benefit Act of 2023 . 2. Coverage of dental services under the Medicare program (a) Coverage Section 1861(s)(2) of the Social Security Act ( 42 U.S.C. 1395x(s)(2) ) is amended— (1) in subparagraph (II), by striking and at the end; (2) in subparagraph (JJ), by adding and at the end; and (3) by adding at the end the following new subparagraph: (KK) dental and oral health services (as defined in subsection (nnn)); . (b) Dental and oral health services defined Section 1861 of the Social Security Act ( 42 U.S.C. 1395x ) is amended by adding at the end the following new subsection: (nnn) Dental and oral Health Services The term dental and 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, reduce oral pain, and treat emergency conditions, including— (1) routine diagnostic and preventive care such as dental cleanings, exams, and x-rays; (2) basic dental services such as fillings and extractions; (3) major dental services such as root canals, crowns, and dentures; (4) emergency dental care; and (5) other necessary services related to dental and oral health (as defined by the Secretary). . (c) Coverage of routine diagnostic and preventive care as a preventive service Section 1861(ddd)(3) of the Social Security Act ( 42 U.S.C. 1395x(ddd)(3) ) is amended by adding at the end the following new subparagraph: (D) Dental and oral health services described in paragraph (1) of subsection (nnn), relating to routine diagnostic and preventive care. . (d) Payment; coinsurance; and limitations (1) In general Section 1833(a)(1) of the Social Security Act ( 42 U.S.C. 1395l(a)(1) ) is amended— (A) by striking “and” before “(HH)”