TY - BOOK AU - Rogers,James Frederick TI - The training of dental hygienists, AV - LB3405RK91.R6 .U5 no. 9 PY - 1925/// CY - Washington PB - Government Printing Office KW - Teeth KW - Care and hygiene N1 - Caption title; At head of title: ... Department of the Interior. Bureau of Education. Washington, D.C ER -