What are the 3 categories of periodontal health? Describe each of them including any Clincal Attachment Loss and Radiographic Bone Loss.

1. Periodontal health on an intact periodontium: No clinical signs of gingival inflammation and no previous loss of periodontal tissue and no alveolar bone loss. No CAL or RBL. 2. Periodontal health on a reduced periodontium in a non-periodontitis patient: Clinical signs of periodontal health on a periodontium with a pre-existing loss of connective tissue and/or loss of alveolar bone which is attributed to non-periodontitis reasons. (e.g., Gingival recession from toothbrushing). CAL present and Possibility of RBL. 3. Periodontal health on a reduced periodontium in a successfully treated stable periodontitis patient: Clinical signs of periodontal health on a periodontium with pre-existing loss of connective tissue an alveolar bone which is attributed to periodontitis but has been successfully treated and is currently stable. CAL and RBL present.