Fig. 1
From: Recent advances in nanomaterial-based biosensor for periodontitis detection
Bone and tissue loss in the gingiva and around the teeth is a hallmark of periodontal disease. Gingiva recession and tooth loss are among the several consequences that might result from this. Stages of periodontal tissue disease may be categorized according to severity and progression: gingivitis (the first stage), early periodontitis (the second stage), and advanced periodontitis (the third stage)