Critical Decisions in Periodontology, Fourth Edition, is designed to guide students and practitioners in applying their decision-making knowledge in a structured and logical manner. The decisions may be in diagnosis, treatment selections and options, procedures in various treatments, and evaluating outcomes. This new editions sees a section devoted to esthetics in periodontical treatment. New techniques such as minimally invasive urgery and effects of chemotherapy on periodontal therapy are presented. The contributors to the text represent both North American and International thinking.Features updated chapters, additional illustrations and an international roster of new contributors Ideal for use in practice or teaching Incorporates an extensive line drawings, photographs and algorithms Includes a CD-ROM with complete text and illustrations in fully searchable PDF files