1. Introduction
Periodontal disease is an infection-induced inflammatory
disease that affects the supporting structures of the teeth,
namely, the gingiva and alveolar bone. The dentogingival
junction, which is formed by the tissue surrounding the teeth,
is the area from which periodontal disease originates. When
active periodontal disease is present, the epithelium can be
breached by migration of the apical epithelium, which results
in deepening pockets. Together, the connective tissue can be
destroyed by inflammation, and sequential bone loss can be