Ibsen, OlgaA. C. Oral pathology for the dental hygienist / Olga A.C. Ibsen, Joan Andersen Phelan. - 6th ed. - St. Louis : Saunders, c2014. - xiv, 369 p. : col ill. ; 29 cm. Includes index. Includes bibliographical references. ISBN: 9781455703708 (hbk.) Subjects--Topical Terms: Dental medicine.Mouth--Diseases.Dental hygienists.