Collins, W. J. N., A handbook for dental hygienists / W. J. N. Collins, T. F. Walsh, K. H. Figures - Fourth edition. - Oxford : Wright, 1999 - 284 pages. : illustrations. ; 25 cm. Includes bibliographical references and index. ISBN: 0723617406 RM161.15 Subjects--Topical Terms: Dental care.Dental hygienists.