Torres, Hazel O. Modern dental assisting / Hazel O. Torres, Ann Ehrlich ; illustrated by Stephen Michael Rizzuto. - 4th ed. - Philadelphia : Saunders, 1990. - vi, 980 p. : ill. ; 27 cm. ISBN: 072162488X LCCN: 89070078 Subjects--Topical Terms: Dental assistants.Dental Assistants. LC Class. No.: RK60.5 / .T67 1990 Dewey Class. No.: 617.602