Gehrig, Jill S. Nield Rebecca Sroda Darlene Saccuzzo creator text Philadelphia Wolters Kluwer 2019 monographic xvi, 760 p. : ill., Col. ; 28 cm. Includes bibliographical references and index. Periodontology Periodontal instrumentation Mouth mirror Roots planning Probing techniques Calculus removeal IIDC 617.601 GEH 9781975117504 (pbk)