18In section 83, for paragraph (b) substitute—
“(b)for the purposes of section 78(1A) in relation to appliances provided as part of—
(i)general dental services, or
(ii)personal dental services provided in accordance with section 28C arrangements,
may provide for the reduction of the sums which would otherwise be payable by a Health Authority to the persons by whom those services are provided by the amount of the charges authorised by section 78(1A) in respect of those appliances.”