Periodontal chart:
Gingival recession vs Pocket depth:
Furcation classification:
Periodontitis 2017 classification for
staging and grading:
1999 classification:
PSR/CPITN (Community Periodontal Index of Tx Needs): (see Preventative)
Grace & Smales Mobility Index:
Grade 0: No apparent mobility
Grade 1: Perceptible mobility <1mm in buccolingual direction
Grade 2: >1mm but <2mm
Grade 3: >2mm or depressibility in the socket