Section 1: Normal Periodontium Section 2: Classification and Epidemiology Section 3: Etiology Section 4: Pathology of Gingival and Periodontal Diseases Section 5: Diagnosis Section 6: Treatment: Nonsurgical Therapy Section 7: Treatment: Surgical Therapy Section 8: Implantology Section 9: Interdisciplinary Approach Section 10: Recent Advances Section 11: Maintenance Phase Section 12: Miscellaneous