Carranza, Fermin A. Clinical periodontology for the dental hygienist / Fermin A. Carranza, Dorothy A. Perry. - Philadelphia : W. B. Saunders , 1986. - 301 p. : ill. ; 25 cm. ISBN: 0721613527 RM168.42 Subjects--Topical Terms: Dental hygienists.Periodontal Diseases.