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. Author manuscript; available in PMC: 2017 Aug 2.
Published in final edited form as: Arch Oral Biol. 2016 Oct 17;73:193–205. doi: 10.1016/j.archoralbio.2016.10.018

Table 1.

Inflammation scoring system (PD Score) for Periodontal Status.

Score Degree Lesions
0 Absence None
1 Slight Gingivitis: slight hyperplasia of GE, intraepithelial inflammatory cell infiltration. Accumulation of bacterial plaque. No substantial changes in the LP, PDL or ABC.
2 Mild Mild gingival hyperplasia, inflammatory cell infiltration of the GE and LP, accumulation of bacterial plaque. Slight disruption of the PDL. No substantial changes in ABC.
3 Moderate Erosion/ulceration and hyperplasia of the GE and accumulation of bacterial plaque. Moderate inflammatory cell infiltration of the LP, disruption of the PDL, migration of the junctional epithelium, and ABC resorption.
4 Severe Ulceration and hyperplasia of the GE. Severe inflammatory cell infiltration of the LP, disruption of the PDL, migration of the junctional epithelium, and severe ABC resorption and osteolysis.

GE: gingival epithelium, LP: lamina propria, PDL: periodontal ligament, ABC: alveolar bone crest.