TY - BOOK AU - Chapple,Iain L. AU - Gilbert,Angela D. AU - F Wilson,Nairn H. TI - Understanding periodontal diseases : assessment and diagnostic procedures in practice / T2 - Quintessentials of dental practice ; 1. Periodontology, SN - 9781850970538 U1 - 617.632 21 PY - 2002/// PY - 1423///] CY - London PB - Quintessence KW - Periodontal disease KW - Diagnosis KW - Treatment N1 - Bibliography note: Includes bibliographical references and index ER -